./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8 --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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:50,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:50,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:50,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:50,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:50,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:50,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:50,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:50,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:50,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:50,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:50,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:50,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:50,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:50,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:50,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:50,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:50,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:50,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:50,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:50,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:50,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:50,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:50,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:50,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:50,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:50,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:50,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:50,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:50,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:50,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:50,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:50,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:50,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:50,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:50,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:50,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:50,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:50,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:50,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:50,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:50,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:38:50,926 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:50,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:50,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:50,928 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:50,928 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:50,929 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:50,929 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:38:50,929 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:50,930 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:50,930 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:38:50,931 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:38:50,931 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:50,931 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:38:50,932 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:38:50,932 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:38:50,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:50,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:38:50,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:50,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:38:50,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:50,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:38:50,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:50,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:38:50,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:50,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:38:50,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:50,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:50,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:50,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:50,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:50,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:38:50,939 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:38:50,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:38:50,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:38:50,940 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:50,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:50,941 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2021-11-07 01:38:51,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:51,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:51,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:51,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:51,252 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:51,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-07 01:38:51,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data/04ba75212/59c4be8e279d42e3bb7363b1fff9e1da/FLAGd76d2ccc9 [2021-11-07 01:38:52,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:52,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-07 01:38:52,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data/04ba75212/59c4be8e279d42e3bb7363b1fff9e1da/FLAGd76d2ccc9 [2021-11-07 01:38:52,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data/04ba75212/59c4be8e279d42e3bb7363b1fff9e1da [2021-11-07 01:38:52,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:52,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:52,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:52,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:52,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:52,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:52" (1/1) ... [2021-11-07 01:38:52,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a033928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52, skipping insertion in model container [2021-11-07 01:38:52,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:52" (1/1) ... [2021-11-07 01:38:52,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:53,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:53,285 WARN L228 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-07 01:38:53,292 WARN L228 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-07 01:38:53,317 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:38:53,323 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:38:54,368 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,369 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,370 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,372 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,373 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,393 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,394 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,396 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,397 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:54,863 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:38:54,864 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:38:54,865 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:38:54,866 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:38:54,868 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:38:54,869 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:38:54,870 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:38:54,873 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:38:54,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:38:54,876 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:38:55,054 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:38:55,244 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:55,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:38:55,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:55,376 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:38:55,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fec6ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:55, skipping insertion in model container [2021-11-07 01:38:55,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:55,377 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:38:55,380 INFO L168 Benchmark]: Toolchain (without parser) took 2570.45 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 59.9 MB in the beginning and 85.0 MB in the end (delta: -25.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:55,380 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:55,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2552.08 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 59.5 MB in the beginning and 85.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:55,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2552.08 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 59.5 MB in the beginning and 85.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8 --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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:57,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:57,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:57,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:57,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:58,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:58,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:58,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:58,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:58,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:58,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:58,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:58,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:58,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:58,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:58,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:58,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:58,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:58,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:58,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:58,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:58,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:58,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:58,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:58,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:58,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:58,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:58,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:58,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:58,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:58,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:58,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:58,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:58,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:58,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:58,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:58,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:58,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:58,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:58,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:58,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:58,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:38:58,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:58,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:58,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:58,144 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:58,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:58,144 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:58,145 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:58,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:58,145 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:58,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:58,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:58,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:38:58,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:58,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:38:58,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:58,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:38:58,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:38:58,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:38:58,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:58,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:38:58,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:58,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:38:58,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:58,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:58,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:58,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:58,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:38:58,153 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:38:58,153 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:58,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:38:58,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:58,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:58,154 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2021-11-07 01:38:58,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:58,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:58,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:58,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:58,685 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:58,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-07 01:38:58,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data/591f4a110/a3b94df5bb724598b934c8d07d5df04b/FLAG8b230f852 [2021-11-07 01:38:59,855 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:59,857 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-07 01:38:59,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data/591f4a110/a3b94df5bb724598b934c8d07d5df04b/FLAG8b230f852 [2021-11-07 01:39:00,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/data/591f4a110/a3b94df5bb724598b934c8d07d5df04b [2021-11-07 01:39:00,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:39:00,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:39:00,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:00,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:39:00,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:39:00,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:00" (1/1) ... [2021-11-07 01:39:00,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16563713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:00, skipping insertion in model container [2021-11-07 01:39:00,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:00" (1/1) ... [2021-11-07 01:39:00,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:39:00,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:39:00,756 WARN L228 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-07 01:39:00,767 WARN L228 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-07 01:39:00,807 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:39:00,824 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:39:02,522 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:02,523 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:02,526 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:02,527 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:02,529 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:02,560 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:02,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:02,564 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:02,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,082 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:39:03,087 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:39:03,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:39:03,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:39:03,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:39:03,103 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:39:03,104 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:39:03,105 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:39:03,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:39:03,111 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:39:03,326 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:39:03,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:03,674 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:39:03,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:39:03,780 WARN L228 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-07 01:39:03,781 WARN L228 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-07 01:39:03,785 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:39:03,791 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:39:03,863 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,864 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,865 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,865 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,866 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,886 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,887 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,888 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,889 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:03,962 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:39:03,963 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:39:03,964 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:39:03,965 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:39:03,966 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:39:03,967 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:39:03,968 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:39:03,968 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:39:03,969 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:39:03,970 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:39:04,015 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:39:04,144 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,145 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:04,255 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:39:04,284 WARN L228 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-07 01:39:04,284 WARN L228 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_a78db1bd-4986-4717-ba2b-c10319e0c1e1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-07 01:39:04,286 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:39:04,287 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:39:04,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,338 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,338 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,339 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,347 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,347 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,348 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,350 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,412 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:39:04,413 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:39:04,414 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:39:04,415 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:39:04,415 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:39:04,416 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:39:04,417 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:39:04,417 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:39:04,418 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:39:04,418 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:39:04,450 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:39:04,529 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,530 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:39:04,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:05,087 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:39:05,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05 WrapperNode [2021-11-07 01:39:05,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:05,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:39:05,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:39:05,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:39:05,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:39:05,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:39:05,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:39:05,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:39:05,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:39:05,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:39:05,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:39:05,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:39:05,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (1/1) ... [2021-11-07 01:39:05,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:39:05,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:39:05,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:39:05,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:39:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ntohs [2021-11-07 01:39:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:39:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:39:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:39:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:39:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-07 01:39:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:39:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:39:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:39:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:39:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:39:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:39:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:39:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:39:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:39:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:39:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-07 01:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-07 01:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-07 01:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:39:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:39:27,926 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:39:27,926 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-11-07 01:39:27,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:27 BoogieIcfgContainer [2021-11-07 01:39:27,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:39:27,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:39:27,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:39:27,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:39:27,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:39:00" (1/3) ... [2021-11-07 01:39:27,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f13ca92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:27, skipping insertion in model container [2021-11-07 01:39:27,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:05" (2/3) ... [2021-11-07 01:39:27,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f13ca92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:27, skipping insertion in model container [2021-11-07 01:39:27,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:27" (3/3) ... [2021-11-07 01:39:27,938 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2021-11-07 01:39:27,945 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:39:27,945 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-07 01:39:27,996 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:39:28,002 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:39:28,002 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-07 01:39:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 238 states, 223 states have (on average 1.4798206278026906) internal successors, (330), 237 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:39:28,031 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:28,032 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:28,032 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-07 01:39:28,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:28,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1601055385, now seen corresponding path program 1 times [2021-11-07 01:39:28,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:28,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032644521] [2021-11-07 01:39:28,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:28,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:28,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:28,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:39:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:32,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:39:32,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:32,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:32,992 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:32,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032644521] [2021-11-07 01:39:32,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032644521] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:32,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:32,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:39:32,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995917085] [2021-11-07 01:39:33,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:39:33,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:33,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:39:33,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:33,017 INFO L87 Difference]: Start difference. First operand has 238 states, 223 states have (on average 1.4798206278026906) internal successors, (330), 237 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:33,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:33,056 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-11-07 01:39:33,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:39:33,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 01:39:33,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:33,069 INFO L225 Difference]: With dead ends: 471 [2021-11-07 01:39:33,069 INFO L226 Difference]: Without dead ends: 233 [2021-11-07 01:39:33,073 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-07 01:39:33,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-07 01:39:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 219 states have (on average 1.360730593607306) internal successors, (298), 232 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:33,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 298 transitions. [2021-11-07 01:39:33,126 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 298 transitions. Word has length 54 [2021-11-07 01:39:33,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:33,126 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 298 transitions. [2021-11-07 01:39:33,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 298 transitions. [2021-11-07 01:39:33,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:39:33,130 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:33,130 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:33,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:33,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:33,331 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-07 01:39:33,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:33,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1113430879, now seen corresponding path program 1 times [2021-11-07 01:39:33,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:33,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174230951] [2021-11-07 01:39:33,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:33,337 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:33,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:33,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:33,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:39:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:37,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:39:37,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:38,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:38,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:38,311 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:38,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174230951] [2021-11-07 01:39:38,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174230951] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:38,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:38,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:39:38,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386266814] [2021-11-07 01:39:38,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:39:38,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:38,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:39:38,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:39:38,315 INFO L87 Difference]: Start difference. First operand 233 states and 298 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:38,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:38,762 INFO L93 Difference]: Finished difference Result 441 states and 564 transitions. [2021-11-07 01:39:38,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:39:38,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 01:39:38,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:38,767 INFO L225 Difference]: With dead ends: 441 [2021-11-07 01:39:38,767 INFO L226 Difference]: Without dead ends: 233 [2021-11-07 01:39:38,769 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:39:38,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-07 01:39:38,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-07 01:39:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 219 states have (on average 1.3470319634703196) internal successors, (295), 232 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 295 transitions. [2021-11-07 01:39:38,787 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 295 transitions. Word has length 54 [2021-11-07 01:39:38,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:38,788 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 295 transitions. [2021-11-07 01:39:38,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 295 transitions. [2021-11-07 01:39:38,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:39:38,790 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:38,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:38,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:39,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:39,005 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-07 01:39:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:39,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1476329313, now seen corresponding path program 1 times [2021-11-07 01:39:39,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:39,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123688742] [2021-11-07 01:39:39,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:39,009 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:39,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:39,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:39,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78db1bd-4986-4717-ba2b-c10319e0c1e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:39:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:43,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1870 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:39:43,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:43,980 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:43,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 158 treesize of output 62 [2021-11-07 01:39:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:44,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:57,505 WARN L207 SmtUtils]: Spent 12.63 s on a formula simplification. DAG size of input: 523 DAG size of output: 269 [2021-11-07 01:39:57,514 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-07 01:39:57,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 129 treesize of output 772