./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/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_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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-4e7fbc6 [2022-11-23 14:53:09,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:53:09,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:53:09,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:53:09,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:53:09,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:53:09,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:53:09,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:53:09,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:53:09,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:53:09,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:53:09,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:53:09,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:53:09,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:53:09,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:53:09,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:53:09,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:53:09,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:53:09,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:53:09,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:53:09,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:53:09,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:53:09,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:53:09,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:53:09,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:53:09,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:53:09,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:53:09,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:53:09,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:53:09,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:53:09,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:53:09,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:53:09,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:53:09,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:53:09,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:53:09,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:53:09,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:53:09,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:53:09,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:53:09,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:53:09,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:53:09,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:53:09,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:53:09,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:53:09,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:53:09,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:53:09,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:53:09,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:53:09,585 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:53:09,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:53:09,586 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:53:09,586 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:53:09,586 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:53:09,587 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:53:09,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:53:09,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:53:09,587 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:53:09,588 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:53:09,588 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:53:09,588 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:53:09,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:53:09,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:53:09,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:53:09,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:53:09,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:53:09,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:53:09,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:53:09,591 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:53:09,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:53:09,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:53:09,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:53:09,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:53:09,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:53:09,593 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:53:09,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:53:09,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:53:09,594 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:53:09,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:53:09,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:53:09,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:53:09,596 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_4e62ec23-d86d-4058-a779-ae9351201a1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a [2022-11-23 14:53:10,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:53:10,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:53:10,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:53:10,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:53:10,061 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:53:10,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2022-11-23 14:53:14,116 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:53:16,502 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:53:16,503 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2022-11-23 14:53:16,716 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/data/bb7a1413d/02fd4dc2d25e4075a82d5c8c2b509bb1/FLAG3699dbdb1 [2022-11-23 14:53:16,737 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/data/bb7a1413d/02fd4dc2d25e4075a82d5c8c2b509bb1 [2022-11-23 14:53:16,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:53:16,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:53:16,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:16,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:53:16,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:53:16,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:16" (1/1) ... [2022-11-23 14:53:16,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2588de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:16, skipping insertion in model container [2022-11-23 14:53:16,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:16" (1/1) ... [2022-11-23 14:53:16,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:53:17,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:53:46,346 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-23 14:53:46,348 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-23 14:53:46,349 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-23 14:53:46,350 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-23 14:53:46,352 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-23 14:53:46,353 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-23 14:53:46,354 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-23 14:53:46,357 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-23 14:53:46,358 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-23 14:53:46,415 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-23 14:53:46,425 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_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[493411,493424] [2022-11-23 14:53:46,431 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_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494037,494050] [2022-11-23 14:53:46,432 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_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494094,494107] [2022-11-23 14:53:46,432 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_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494170,494183] [2022-11-23 14:53:46,700 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-23 14:53:46,737 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 14:53:46,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f3591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:46, skipping insertion in model container [2022-11-23 14:53:46,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:46,741 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:53:46,743 INFO L158 Benchmark]: Toolchain (without parser) took 29996.45ms. Allocated memory was 176.2MB in the beginning and 306.2MB in the end (delta: 130.0MB). Free memory was 105.6MB in the beginning and 204.6MB in the end (delta: -99.0MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. [2022-11-23 14:53:46,744 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:53:46,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 29991.59ms. Allocated memory was 176.2MB in the beginning and 306.2MB in the end (delta: 130.0MB). Free memory was 105.2MB in the beginning and 204.6MB in the end (delta: -99.4MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. [2022-11-23 14:53:46,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 29991.59ms. Allocated memory was 176.2MB in the beginning and 306.2MB in the end (delta: 130.0MB). Free memory was 105.2MB in the beginning and 204.6MB in the end (delta: -99.4MB). Peak memory consumption was 179.5MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/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_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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-4e7fbc6 [2022-11-23 14:53:49,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:53:49,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:53:49,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:53:49,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:53:49,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:53:49,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:53:49,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:53:49,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:53:49,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:53:49,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:53:49,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:53:49,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:53:49,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:53:49,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:53:49,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:53:49,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:53:49,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:53:49,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:53:49,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:53:49,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:53:49,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:53:49,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:53:49,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:53:49,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:53:49,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:53:49,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:53:49,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:53:49,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:53:49,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:53:49,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:53:49,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:53:49,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:53:49,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:53:49,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:53:49,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:53:49,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:53:49,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:53:49,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:53:49,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:53:49,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:53:49,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 14:53:49,776 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:53:49,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:53:49,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:53:49,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:53:49,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:53:49,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:53:49,781 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:53:49,781 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:53:49,782 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:53:49,782 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:53:49,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:53:49,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:53:49,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:53:49,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:53:49,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:53:49,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:53:49,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:53:49,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:53:49,787 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:53:49,787 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:53:49,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:53:49,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:53:49,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:53:49,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:53:49,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:53:49,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:53:49,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:53:49,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:53:49,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:53:49,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:53:49,790 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:53:49,791 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:53:49,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:53:49,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:53:49,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:53:49,792 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_4e62ec23-d86d-4058-a779-ae9351201a1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a [2022-11-23 14:53:50,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:53:50,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:53:50,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:53:50,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:53:50,316 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:53:50,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2022-11-23 14:53:54,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:53:56,480 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:53:56,481 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2022-11-23 14:53:56,719 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/data/80eb68859/0caf6f46015340d39ad3a210408872be/FLAGe155c6026 [2022-11-23 14:53:56,789 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e62ec23-d86d-4058-a779-ae9351201a1d/bin/utaipan-Q6hlc19bkW/data/80eb68859/0caf6f46015340d39ad3a210408872be [2022-11-23 14:53:56,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:53:56,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:53:56,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:56,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:53:56,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:53:56,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:56" (1/1) ... [2022-11-23 14:53:56,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca61b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:56, skipping insertion in model container [2022-11-23 14:53:56,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:56" (1/1) ... [2022-11-23 14:53:56,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:53:57,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:54:25,617 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-23 14:54:25,619 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-23 14:54:25,620 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-23 14:54:25,622 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-23 14:54:25,624 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-23 14:54:25,625 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-23 14:54:25,627 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-23 14:54:25,630 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-23 14:54:25,631 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-23 14:54:25,684 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-23 14:54:25,695 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_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[493411,493424] [2022-11-23 14:54:25,702 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_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494037,494050] [2022-11-23 14:54:25,703 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_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494094,494107] [2022-11-23 14:54:25,704 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_4e62ec23-d86d-4058-a779-ae9351201a1d/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494170,494183] [2022-11-23 14:54:25,892 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-23 14:54:25,934 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 14:54:25,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c5372de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:54:25, skipping insertion in model container [2022-11-23 14:54:25,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:54:25,938 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:54:25,940 INFO L158 Benchmark]: Toolchain (without parser) took 29142.14ms. Allocated memory was 92.3MB in the beginning and 257.9MB in the end (delta: 165.7MB). Free memory was 33.0MB in the beginning and 109.7MB in the end (delta: -76.7MB). Peak memory consumption was 157.3MB. Max. memory is 16.1GB. [2022-11-23 14:54:25,942 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:54:25,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 29135.53ms. Allocated memory was 92.3MB in the beginning and 257.9MB in the end (delta: 165.7MB). Free memory was 32.7MB in the beginning and 109.7MB in the end (delta: -76.9MB). Peak memory consumption was 157.3MB. Max. memory is 16.1GB. [2022-11-23 14:54:25,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 29135.53ms. Allocated memory was 92.3MB in the beginning and 257.9MB in the end (delta: 165.7MB). Free memory was 32.7MB in the beginning and 109.7MB in the end (delta: -76.9MB). Peak memory consumption was 157.3MB. 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