./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba --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 bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:14:26,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:14:26,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:14:26,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:14:26,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:14:26,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:14:26,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:14:26,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:14:26,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:14:26,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:14:26,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:14:26,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:14:26,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:14:26,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:14:26,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:14:26,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:14:26,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:14:26,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:14:26,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:14:26,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:14:26,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:14:26,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:14:26,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:14:26,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:14:26,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:14:26,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:14:26,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:14:26,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:14:26,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:14:26,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:14:26,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:14:26,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:14:26,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:14:26,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:14:26,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:14:26,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:14:26,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:14:26,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:14:26,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:14:26,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:14:26,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:14:26,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 02:14:26,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:14:26,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:14:26,556 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:14:26,557 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:14:26,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:14:26,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:14:26,558 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:14:26,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:14:26,558 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:14:26,558 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:14:26,558 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:14:26,559 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:14:26,559 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:14:26,559 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:14:26,559 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:14:26,559 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:14:26,560 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:14:26,560 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:14:26,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:14:26,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:14:26,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:14:26,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:14:26,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:14:26,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:14:26,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:14:26,562 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:14:26,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:14:26,562 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:14:26,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:14:26,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:14:26,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:14:26,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:14:26,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:14:26,563 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:14:26,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:14:26,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:14:26,564 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:14:26,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:14:26,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:14:26,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:14:26,564 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_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa [2022-11-22 02:14:26,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:14:26,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:14:26,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:14:26,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:14:26,927 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:14:26,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2022-11-22 02:14:29,922 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:14:31,821 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:14:31,821 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2022-11-22 02:14:32,068 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/data/5089c5716/9a121796b90e440bbf9ea4eeedb62655/FLAG596458080 [2022-11-22 02:14:32,096 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/data/5089c5716/9a121796b90e440bbf9ea4eeedb62655 [2022-11-22 02:14:32,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:14:32,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:14:32,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:14:32,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:14:32,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:14:32,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:32" (1/1) ... [2022-11-22 02:14:32,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a3101c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:32, skipping insertion in model container [2022-11-22 02:14:32,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:32" (1/1) ... [2022-11-22 02:14:32,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:14:32,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:14:59,121 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-22 02:14:59,129 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-22 02:14:59,131 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-22 02:14:59,132 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-22 02:14:59,138 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-22 02:14:59,139 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-22 02:14:59,140 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-22 02:14:59,151 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-22 02:14:59,153 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-22 02:14:59,163 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_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i[482532,482545] [2022-11-22 02:14:59,168 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_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i[483018,483031] [2022-11-22 02:14:59,221 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-22 02:14:59,512 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-22 02:14:59,541 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl [2022-11-22 02:14:59,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@141e7a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:59, skipping insertion in model container [2022-11-22 02:14:59,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:14:59,543 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:14:59,545 INFO L158 Benchmark]: Toolchain (without parser) took 27439.68ms. Allocated memory was 161.5MB in the beginning and 262.1MB in the end (delta: 100.7MB). Free memory was 85.2MB in the beginning and 55.2MB in the end (delta: 30.0MB). Peak memory consumption was 130.7MB. Max. memory is 16.1GB. [2022-11-22 02:14:59,546 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:14:59,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 27436.97ms. Allocated memory was 161.5MB in the beginning and 262.1MB in the end (delta: 100.7MB). Free memory was 85.2MB in the beginning and 55.2MB in the end (delta: 30.0MB). Peak memory consumption was 130.7MB. Max. memory is 16.1GB. [2022-11-22 02:14:59,549 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 125.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 27436.97ms. Allocated memory was 161.5MB in the beginning and 262.1MB in the end (delta: 100.7MB). Free memory was 85.2MB in the beginning and 55.2MB in the end (delta: 30.0MB). Peak memory consumption was 130.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 12411]: 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_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba --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 bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:15:01,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:15:01,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:15:01,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:15:01,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:15:01,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:15:01,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:15:01,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:15:01,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:15:01,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:15:01,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:15:01,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:15:01,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:15:01,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:15:01,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:15:01,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:15:01,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:15:01,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:15:01,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:15:01,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:15:01,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:15:01,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:15:01,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:15:01,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:15:01,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:15:01,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:15:01,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:15:01,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:15:01,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:15:01,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:15:01,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:15:01,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:15:01,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:15:01,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:15:01,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:15:01,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:15:01,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:15:01,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:15:01,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:15:01,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:15:01,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:15:01,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-22 02:15:01,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:15:01,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:15:01,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:15:01,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:15:01,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:15:01,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:15:01,978 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:15:01,979 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:15:01,979 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:15:01,979 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:15:01,980 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:15:01,980 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:15:01,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:15:01,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:15:01,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:15:01,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:15:01,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:15:01,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:15:01,984 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:15:01,984 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:15:01,984 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:15:01,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:15:01,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:15:01,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:15:01,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:15:01,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:15:01,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:15:01,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:15:01,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:15:01,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:15:01,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:15:01,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:15:01,988 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:15:01,988 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:15:01,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:15:01,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:15:01,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:15:01,990 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_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa [2022-11-22 02:15:02,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:15:02,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:15:02,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:15:02,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:15:02,412 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:15:02,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2022-11-22 02:15:05,499 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:15:07,440 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:15:07,440 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2022-11-22 02:15:07,770 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/data/29dc55626/dad14e6778ae464e96e08e3f66be0cea/FLAG718cc455f [2022-11-22 02:15:07,791 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2ae7e0-7223-42b4-bfda-35ace81ab65e/bin/utaipan-g80aRyZoba/data/29dc55626/dad14e6778ae464e96e08e3f66be0cea [2022-11-22 02:15:07,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:15:07,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:15:07,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:15:07,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:15:07,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:15:07,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:15:07" (1/1) ... [2022-11-22 02:15:07,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a8d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:07, skipping insertion in model container [2022-11-22 02:15:07,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:15:07" (1/1) ... [2022-11-22 02:15:07,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:15:08,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:15:09,110 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:152) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:455) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 02:15:09,116 INFO L158 Benchmark]: Toolchain (without parser) took 1316.98ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 52.8MB in the beginning and 86.2MB in the end (delta: -33.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-11-22 02:15:09,117 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:15:09,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.51ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 52.5MB in the beginning and 86.2MB in the end (delta: -33.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-11-22 02:15:09,119 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 58.7MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.51ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 52.5MB in the beginning and 86.2MB in the end (delta: -33.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) 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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.