./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.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_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/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_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/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_86f86f58-4515-4eca-86cd-65f82267b8a2/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 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a --- 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 07:46:57,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:46:57,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:46:57,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:46:57,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:46:57,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:46:57,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:46:57,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:46:57,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:46:57,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:46:57,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:46:57,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:46:57,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:46:57,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:46:57,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:46:57,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:46:57,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:46:57,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:46:57,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:46:57,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:46:57,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:46:57,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:46:57,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:46:57,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:46:57,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:46:57,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:46:57,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:46:57,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:46:57,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:46:57,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:46:57,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:46:57,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:46:57,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:46:57,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:46:57,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:46:57,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:46:57,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:46:57,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:46:57,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:46:57,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:46:57,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:46:57,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-19 07:46:57,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:46:57,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:46:57,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:46:57,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:46:57,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:46:57,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:46:57,480 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:46:57,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:46:57,480 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:46:57,481 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:46:57,482 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:46:57,482 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:46:57,482 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:46:57,482 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:46:57,482 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:46:57,483 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:46:57,483 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:46:57,483 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:46:57,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:46:57,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:46:57,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:46:57,486 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:46:57,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:46:57,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:46:57,487 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:46:57,487 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:46:57,487 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:46:57,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:46:57,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:46:57,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:46:57,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:46:57,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:46:57,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:46:57,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:46:57,490 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:46:57,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:46:57,490 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:46:57,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:46:57,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:46:57,491 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_86f86f58-4515-4eca-86cd-65f82267b8a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a [2022-11-19 07:46:57,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:46:57,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:46:57,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:46:57,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:46:57,779 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:46:57,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2022-11-19 07:46:57,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data/469f661ac/6bfae39b8f7f4709b095409ac3ac5a5b/FLAGfd1261e52 [2022-11-19 07:46:59,753 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:46:59,753 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2022-11-19 07:46:59,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data/469f661ac/6bfae39b8f7f4709b095409ac3ac5a5b/FLAGfd1261e52 [2022-11-19 07:47:00,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data/469f661ac/6bfae39b8f7f4709b095409ac3ac5a5b [2022-11-19 07:47:00,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:47:00,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:47:00,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:47:00,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:47:00,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:47:00,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:00" (1/1) ... [2022-11-19 07:47:00,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e2909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:00, skipping insertion in model container [2022-11-19 07:47:00,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:00" (1/1) ... [2022-11-19 07:47:00,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:47:00,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:47:23,561 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-19 07:47:23,562 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-19 07:47:23,563 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-19 07:47:23,564 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-19 07:47:23,565 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-19 07:47:23,566 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-19 07:47:23,567 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-19 07:47:23,569 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-19 07:47:23,570 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-19 07:47:23,606 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-19 07:47:23,626 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[493411,493424] [2022-11-19 07:47:23,632 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494037,494050] [2022-11-19 07:47:23,633 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494094,494107] [2022-11-19 07:47:23,633 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494170,494183] [2022-11-19 07:47:23,698 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-19 07:47:23,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c497c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:23, skipping insertion in model container [2022-11-19 07:47:23,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:47:23,700 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:47:23,703 INFO L158 Benchmark]: Toolchain (without parser) took 23493.92ms. Allocated memory was 123.7MB in the beginning and 335.5MB in the end (delta: 211.8MB). Free memory was 47.3MB in the beginning and 245.1MB in the end (delta: -197.8MB). Peak memory consumption was 198.3MB. Max. memory is 16.1GB. [2022-11-19 07:47:23,703 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:47:23,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 23488.36ms. Allocated memory was 123.7MB in the beginning and 335.5MB in the end (delta: 211.8MB). Free memory was 47.3MB in the beginning and 246.2MB in the end (delta: -198.8MB). Peak memory consumption was 198.3MB. Max. memory is 16.1GB. [2022-11-19 07:47:23,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 23488.36ms. Allocated memory was 123.7MB in the beginning and 335.5MB in the end (delta: 211.8MB). Free memory was 47.3MB in the beginning and 246.2MB in the end (delta: -198.8MB). Peak memory consumption was 198.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9395]: Unsupported Syntax Unsupported function: getenv 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_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/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_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/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_86f86f58-4515-4eca-86cd-65f82267b8a2/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 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a --- 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 07:47:25,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:47:25,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:47:25,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:47:25,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:47:25,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:47:25,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:47:25,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:47:25,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:47:25,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:47:25,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:47:25,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:47:25,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:47:25,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:47:25,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:47:25,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:47:25,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:47:25,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:47:25,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:47:25,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:47:25,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:47:25,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:47:25,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:47:25,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:47:25,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:47:25,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:47:25,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:47:25,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:47:25,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:47:25,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:47:25,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:47:25,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:47:25,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:47:25,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:47:25,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:47:25,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:47:25,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:47:25,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:47:25,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:47:25,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:47:25,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:47:25,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-19 07:47:25,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:47:25,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:47:25,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:47:25,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:47:25,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:47:25,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:47:25,961 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:47:25,961 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:47:25,961 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:47:25,961 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:47:25,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:47:25,962 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:47:25,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:47:25,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:47:25,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:47:25,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:47:25,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:47:25,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:47:25,965 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:47:25,965 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:47:25,965 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:47:25,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:47:25,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:47:25,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:47:25,966 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:47:25,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:47:25,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:47:25,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:47:25,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:47:25,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:47:25,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:47:25,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:47:25,968 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:47:25,968 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:47:25,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:47:25,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:47:25,969 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_86f86f58-4515-4eca-86cd-65f82267b8a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a [2022-11-19 07:47:26,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:47:26,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:47:26,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:47:26,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:47:26,401 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:47:26,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2022-11-19 07:47:26,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data/65fe4c93e/cb516b6c1c6f411087a6039e6e3e89a2/FLAGb60797b45 [2022-11-19 07:47:28,707 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:47:28,708 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2022-11-19 07:47:28,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data/65fe4c93e/cb516b6c1c6f411087a6039e6e3e89a2/FLAGb60797b45 [2022-11-19 07:47:29,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/bin/utaipan-I9t0OCRTmS/data/65fe4c93e/cb516b6c1c6f411087a6039e6e3e89a2 [2022-11-19 07:47:29,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:47:29,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:47:29,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:47:29,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:47:29,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:47:29,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:29" (1/1) ... [2022-11-19 07:47:29,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b369db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:29, skipping insertion in model container [2022-11-19 07:47:29,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:29" (1/1) ... [2022-11-19 07:47:29,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:47:29,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:47:54,006 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-19 07:47:54,014 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-19 07:47:54,016 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-19 07:47:54,018 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-19 07:47:54,021 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-19 07:47:54,022 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-19 07:47:54,023 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-19 07:47:54,057 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-19 07:47:54,058 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-19 07:47:54,127 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-19 07:47:54,137 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[493411,493424] [2022-11-19 07:47:54,140 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494037,494050] [2022-11-19 07:47:54,141 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494094,494107] [2022-11-19 07:47:54,141 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f86f58-4515-4eca-86cd-65f82267b8a2/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494170,494183] [2022-11-19 07:47:54,203 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-19 07:47:54,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5326bac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:54, skipping insertion in model container [2022-11-19 07:47:54,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:47:54,204 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:47:54,208 INFO L158 Benchmark]: Toolchain (without parser) took 24891.80ms. Allocated memory was 115.3MB in the beginning and 260.0MB in the end (delta: 144.7MB). Free memory was 45.1MB in the beginning and 171.3MB in the end (delta: -126.2MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. [2022-11-19 07:47:54,210 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 55.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:47:54,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 24889.31ms. Allocated memory was 115.3MB in the beginning and 260.0MB in the end (delta: 144.7MB). Free memory was 45.1MB in the beginning and 171.3MB in the end (delta: -126.2MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. [2022-11-19 07:47:54,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 55.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 24889.31ms. Allocated memory was 115.3MB in the beginning and 260.0MB in the end (delta: 144.7MB). Free memory was 45.1MB in the beginning and 171.3MB in the end (delta: -126.2MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9395]: Unsupported Syntax Unsupported function: getenv 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