./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad --- 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-4e7fbc6 [2022-11-23 13:46:42,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:46:42,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:46:42,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:46:42,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:46:42,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:46:42,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:46:42,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:46:42,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:46:42,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:46:42,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:46:42,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:46:42,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:46:42,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:46:42,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:46:42,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:46:42,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:46:42,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:46:42,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:46:42,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:46:42,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:46:42,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:46:42,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:46:42,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:46:42,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:46:42,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:46:42,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:46:42,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:46:42,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:46:42,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:46:42,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:46:42,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:46:42,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:46:42,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:46:42,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:46:42,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:46:42,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:46:42,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:46:42,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:46:42,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:46:42,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:46:42,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 13:46:42,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:46:42,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:46:42,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:46:42,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:46:42,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:46:42,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:46:42,950 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:46:42,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:46:42,951 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:46:42,951 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:46:42,952 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:46:42,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:46:42,953 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:46:42,953 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:46:42,953 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:46:42,953 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:46:42,954 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:46:42,954 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:46:42,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:46:42,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:46:42,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:46:42,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:46:42,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:46:42,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:46:42,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:46:42,956 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:46:42,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:46:42,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:46:42,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:46:42,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:46:42,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:46:42,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:46:42,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:46:42,959 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:46:42,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:46:42,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:46:42,960 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:46:42,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:46:42,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:46:42,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:46:42,960 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2022-11-23 13:46:43,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:46:43,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:46:43,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:46:43,317 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:46:43,318 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:46:43,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-23 13:46:46,352 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:46:48,030 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:46:48,031 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-23 13:46:48,228 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/data/da383fba0/32163eccd30c4f19bb581d0b53395a25/FLAG304cab8da [2022-11-23 13:46:48,245 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/data/da383fba0/32163eccd30c4f19bb581d0b53395a25 [2022-11-23 13:46:48,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:46:48,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:46:48,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:46:48,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:46:48,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:46:48,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:48" (1/1) ... [2022-11-23 13:46:48,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e68d359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:48, skipping insertion in model container [2022-11-23 13:46:48,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:48" (1/1) ... [2022-11-23 13:46:48,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:46:49,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:47:11,221 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-23 13:47:11,222 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-23 13:47:11,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-23 13:47:11,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-23 13:47:11,225 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-23 13:47:11,226 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-23 13:47:11,227 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-23 13:47:11,238 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-23 13:47:11,239 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-23 13:47:11,299 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-23 13:47:11,307 WARN L237 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[493420,493433] [2022-11-23 13:47:11,309 WARN L237 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494046,494059] [2022-11-23 13:47:11,310 WARN L237 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494103,494116] [2022-11-23 13:47:11,310 WARN L237 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494179,494192] [2022-11-23 13:47:11,561 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-23 13:47:11,585 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl [2022-11-23 13:47:11,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53244e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:11, skipping insertion in model container [2022-11-23 13:47:11,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:47:11,586 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 13:47:11,589 INFO L158 Benchmark]: Toolchain (without parser) took 23335.02ms. Allocated memory was 182.5MB in the beginning and 360.7MB in the end (delta: 178.3MB). Free memory was 60.6MB in the beginning and 256.2MB in the end (delta: -195.6MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. [2022-11-23 13:47:11,589 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:47:11,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 23329.07ms. Allocated memory was 182.5MB in the beginning and 360.7MB in the end (delta: 178.3MB). Free memory was 60.6MB in the beginning and 256.2MB in the end (delta: -195.6MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. [2022-11-23 13:47:11,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 23329.07ms. Allocated memory was 182.5MB in the beginning and 360.7MB in the end (delta: 178.3MB). Free memory was 60.6MB in the beginning and 256.2MB in the end (delta: -195.6MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 12041]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad --- 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-4e7fbc6 [2022-11-23 13:47:13,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:47:13,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:47:13,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:47:13,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:47:13,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:47:13,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:47:13,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:47:13,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:47:13,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:47:13,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:47:13,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:47:13,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:47:13,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:47:13,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:47:13,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:47:13,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:47:13,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:47:13,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:47:13,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:47:13,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:47:13,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:47:13,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:47:13,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:47:13,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:47:13,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:47:13,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:47:13,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:47:13,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:47:13,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:47:13,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:47:13,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:47:13,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:47:13,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:47:13,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:47:13,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:47:13,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:47:13,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:47:13,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:47:13,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:47:13,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:47:13,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 13:47:13,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:47:13,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:47:13,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:47:13,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:47:13,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:47:13,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:47:13,920 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:47:13,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:47:13,920 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:47:13,920 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:47:13,921 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:47:13,922 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:47:13,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:47:13,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:47:13,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:47:13,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:47:13,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:47:13,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:47:13,924 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 13:47:13,924 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 13:47:13,925 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:47:13,925 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 13:47:13,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:47:13,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:47:13,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:47:13,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:47:13,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 13:47:13,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:47:13,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:47:13,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:47:13,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:47:13,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:47:13,928 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 13:47:13,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 13:47:13,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:47:13,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:47:13,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 13:47:13,929 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2022-11-23 13:47:14,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:47:14,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:47:14,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:47:14,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:47:14,327 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:47:14,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-23 13:47:17,355 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:47:19,320 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:47:19,320 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2022-11-23 13:47:19,529 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/data/477fd56ea/bc94e28637b14685862d5a475c47ee33/FLAG78df337a1 [2022-11-23 13:47:19,551 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5f5f67-d9f7-4d94-8f3d-144064081720/bin/utaipan-Q6hlc19bkW/data/477fd56ea/bc94e28637b14685862d5a475c47ee33 [2022-11-23 13:47:19,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:47:19,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:47:19,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:47:19,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:47:19,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:47:19,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:19" (1/1) ... [2022-11-23 13:47:19,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1955f0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:19, skipping insertion in model container [2022-11-23 13:47:19,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:19" (1/1) ... [2022-11-23 13:47:19,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:47:20,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:47:44,013 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-23 13:47:44,019 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-23 13:47:44,021 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-23 13:47:44,023 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-23 13:47:44,032 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-23 13:47:44,033 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-23 13:47:44,034 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-23 13:47:44,036 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-23 13:47:44,039 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-23 13:47:44,105 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-23 13:47:44,113 WARN L237 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[493420,493433] [2022-11-23 13:47:44,115 WARN L237 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494046,494059] [2022-11-23 13:47:44,116 WARN L237 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494103,494116] [2022-11-23 13:47:44,116 WARN L237 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_2a5f5f67-d9f7-4d94-8f3d-144064081720/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i[494179,494192] [2022-11-23 13:47:44,300 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-23 13:47:44,327 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl [2022-11-23 13:47:44,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18216b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:44, skipping insertion in model container [2022-11-23 13:47:44,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:47:44,330 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 13:47:44,333 INFO L158 Benchmark]: Toolchain (without parser) took 24770.98ms. Allocated memory was 146.8MB in the beginning and 274.7MB in the end (delta: 127.9MB). Free memory was 75.9MB in the beginning and 187.2MB in the end (delta: -111.3MB). Peak memory consumption was 172.8MB. Max. memory is 16.1GB. [2022-11-23 13:47:44,333 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 65.0MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:47:44,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 24764.57ms. Allocated memory was 146.8MB in the beginning and 274.7MB in the end (delta: 127.9MB). Free memory was 75.4MB in the beginning and 187.2MB in the end (delta: -111.8MB). Peak memory consumption was 172.8MB. Max. memory is 16.1GB. [2022-11-23 13:47:44,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 65.0MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 24764.57ms. Allocated memory was 146.8MB in the beginning and 274.7MB in the end (delta: 127.9MB). Free memory was 75.4MB in the beginning and 187.2MB in the end (delta: -111.8MB). Peak memory consumption was 172.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 12041]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl 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