./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_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_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/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_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/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_ae90b595-a1be-4f34-897c-e6431a0e196c/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 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:12:22,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:12:22,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:12:22,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:12:22,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:12:22,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:12:22,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:12:22,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:12:22,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:12:22,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:12:22,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:12:22,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:12:22,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:12:22,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:12:22,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:12:22,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:12:22,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:12:22,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:12:22,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:12:22,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:12:22,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:12:22,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:12:22,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:12:22,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:12:22,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:12:22,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:12:22,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:12:22,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:12:22,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:12:22,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:12:22,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:12:22,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:12:22,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:12:22,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:12:22,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:12:22,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:12:22,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:12:22,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:12:22,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:12:22,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:12:22,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:12:22,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:12:22,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:12:22,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:12:22,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:12:22,973 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:12:22,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:12:22,973 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:12:22,974 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:12:22,974 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:12:22,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:12:22,974 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:12:22,975 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:12:22,976 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:12:22,976 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:12:22,977 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:12:22,977 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:12:22,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:12:22,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:12:22,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:12:22,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:12:22,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:12:22,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:12:22,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:12:22,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:12:22,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:12:22,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:12:22,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:12:22,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:12:22,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:22,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:12:22,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:12:22,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:12:22,983 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:12:22,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:12:22,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:12:22,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:12:22,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:12:22,985 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_ae90b595-a1be-4f34-897c-e6431a0e196c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a [2021-11-07 02:12:23,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:12:23,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:12:23,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:12:23,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:12:23,310 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:12:23,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2021-11-07 02:12:23,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data/8314bf3ca/ec9040fc43264ab2834a793f65a62537/FLAGad5b17718 [2021-11-07 02:12:24,312 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:12:24,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2021-11-07 02:12:24,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data/8314bf3ca/ec9040fc43264ab2834a793f65a62537/FLAGad5b17718 [2021-11-07 02:12:24,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data/8314bf3ca/ec9040fc43264ab2834a793f65a62537 [2021-11-07 02:12:24,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:12:24,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:12:24,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:24,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:12:24,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:12:24,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:24" (1/1) ... [2021-11-07 02:12:24,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf4297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:24, skipping insertion in model container [2021-11-07 02:12:24,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:24" (1/1) ... [2021-11-07 02:12:24,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:12:24,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:24,871 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_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2021-11-07 02:12:24,878 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_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2021-11-07 02:12:24,909 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:12:24,916 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:12:26,035 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,037 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,038 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,039 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,059 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,060 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,550 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:12:26,552 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:12:26,553 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:12:26,555 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:12:26,557 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:12:26,558 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:12:26,559 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:12:26,560 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:12:26,561 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:12:26,562 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:12:26,770 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:12:26,913 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:26,914 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:27,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:27,109 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 02:12:27,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fa03b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27, skipping insertion in model container [2021-11-07 02:12:27,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:27,112 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:12:27,114 INFO L168 Benchmark]: Toolchain (without parser) took 2718.86 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 55.4 MB in the beginning and 91.7 MB in the end (delta: -36.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:27,115 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 98.6 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:12:27,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2716.07 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 55.2 MB in the beginning and 91.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:27,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 98.6 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2716.07 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 55.2 MB in the beginning and 91.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 30.1 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_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/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_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/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_ae90b595-a1be-4f34-897c-e6431a0e196c/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 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:12:29,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:12:29,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:12:29,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:12:29,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:12:29,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:12:29,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:12:29,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:12:29,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:12:29,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:12:29,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:12:29,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:12:29,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:12:29,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:12:29,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:12:29,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:12:29,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:12:29,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:12:29,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:12:29,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:12:29,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:12:29,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:12:29,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:12:29,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:12:29,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:12:29,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:12:29,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:12:29,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:12:29,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:12:29,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:12:29,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:12:29,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:12:29,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:12:29,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:12:29,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:12:29,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:12:29,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:12:29,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:12:29,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:12:29,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:12:29,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:12:29,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:12:29,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:12:29,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:12:29,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:12:29,740 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:12:29,740 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:12:29,741 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:12:29,744 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:12:29,744 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:12:29,744 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:12:29,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:12:29,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:12:29,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:12:29,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:12:29,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:12:29,748 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:12:29,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:12:29,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:12:29,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:12:29,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:12:29,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:12:29,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:12:29,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:12:29,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:12:29,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:29,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:12:29,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:12:29,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:12:29,752 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:12:29,752 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:12:29,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:12:29,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:12:29,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:12:29,753 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_ae90b595-a1be-4f34-897c-e6431a0e196c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a [2021-11-07 02:12:30,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:12:30,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:12:30,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:12:30,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:12:30,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:12:30,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2021-11-07 02:12:30,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data/5ff127a8d/7290cdadc7b54fafa2ec6238c3749c92/FLAGd7df7c540 [2021-11-07 02:12:31,277 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:12:31,278 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2021-11-07 02:12:31,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data/5ff127a8d/7290cdadc7b54fafa2ec6238c3749c92/FLAGd7df7c540 [2021-11-07 02:12:31,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/data/5ff127a8d/7290cdadc7b54fafa2ec6238c3749c92 [2021-11-07 02:12:31,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:12:31,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:12:31,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:31,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:12:31,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:12:31,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:31" (1/1) ... [2021-11-07 02:12:31,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70470024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:31, skipping insertion in model container [2021-11-07 02:12:31,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:31" (1/1) ... [2021-11-07 02:12:31,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:12:31,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:32,273 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_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2021-11-07 02:12:32,283 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_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2021-11-07 02:12:32,331 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:12:32,348 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:12:33,717 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:33,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:33,720 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:33,721 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:33,722 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:33,754 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:33,755 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:33,756 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:33,757 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,251 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:12:34,252 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:12:34,253 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:12:34,254 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:12:34,256 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:12:34,257 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:12:34,257 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:12:34,258 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:12:34,259 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:12:34,260 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:12:34,427 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:12:34,583 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,584 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:34,791 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:12:34,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:34,887 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_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2021-11-07 02:12:34,887 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_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2021-11-07 02:12:34,891 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:12:34,892 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:12:34,951 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,954 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,956 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,970 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,979 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:34,981 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,013 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:12:35,014 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:12:35,015 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:12:35,016 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:12:35,017 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:12:35,017 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:12:35,018 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:12:35,018 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:12:35,019 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:12:35,019 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:12:35,048 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:12:35,100 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,100 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:35,197 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:12:35,223 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_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2021-11-07 02:12:35,224 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_ae90b595-a1be-4f34-897c-e6431a0e196c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2021-11-07 02:12:35,225 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:12:35,226 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:12:35,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,329 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,330 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,331 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,331 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,397 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:12:35,398 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:12:35,399 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:12:35,399 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:12:35,400 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:12:35,401 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:12:35,401 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:12:35,402 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:12:35,402 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:12:35,403 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:12:35,430 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:12:35,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:12:35,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:36,023 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:12:36,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36 WrapperNode [2021-11-07 02:12:36,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:36,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:12:36,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:12:36,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:12:36,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:12:36,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:12:36,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:12:36,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:12:36,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:12:36,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:12:36,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:12:36,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:12:36,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (1/1) ... [2021-11-07 02:12:36,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:36,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:12:36,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:12:36,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:12:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure ntohl [2021-11-07 02:12:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:12:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:12:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:12:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:12:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-07 02:12:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:12:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:12:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 02:12:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 02:12:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 02:12:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 02:12:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:12:36,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:12:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:12:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:12:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:12:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 02:12:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:12:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:12:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:12:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:12:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:12:36,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:12:36,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:12:36,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-07 02:12:36,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-07 02:12:36,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-07 02:12:36,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 02:12:36,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 02:12:36,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 02:12:36,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 02:12:58,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:12:58,571 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-11-07 02:12:58,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:12:58 BoogieIcfgContainer [2021-11-07 02:12:58,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:12:58,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:12:58,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:12:58,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:12:58,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:12:31" (1/3) ... [2021-11-07 02:12:58,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac01687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:12:58, skipping insertion in model container [2021-11-07 02:12:58,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:36" (2/3) ... [2021-11-07 02:12:58,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac01687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:12:58, skipping insertion in model container [2021-11-07 02:12:58,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:12:58" (3/3) ... [2021-11-07 02:12:58,585 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness.i [2021-11-07 02:12:58,592 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:12:58,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-07 02:12:58,648 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:12:58,654 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 02:12:58,654 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-07 02:12:58,677 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 02:12:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 02:12:58,686 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:12:58,687 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 02:12:58,688 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 02:12:58,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:12:58,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1601055385, now seen corresponding path program 1 times [2021-11-07 02:12:58,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:12:58,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760127399] [2021-11-07 02:12:58,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:12:58,717 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:12:58,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:12:58,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:12:58,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:13:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:03,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:13:03,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:03,784 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 02:13:03,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:04,059 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 02:13:04,060 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:04,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760127399] [2021-11-07 02:13:04,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760127399] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:04,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:04,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:13:04,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536553722] [2021-11-07 02:13:04,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:13:04,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:04,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:13:04,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:13:04,103 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 02:13:04,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:04,169 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-11-07 02:13:04,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:13:04,171 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 02:13:04,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:04,188 INFO L225 Difference]: With dead ends: 471 [2021-11-07 02:13:04,189 INFO L226 Difference]: Without dead ends: 233 [2021-11-07 02:13:04,193 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 02:13:04,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-07 02:13:04,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-07 02:13:04,261 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 02:13:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 298 transitions. [2021-11-07 02:13:04,269 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 298 transitions. Word has length 54 [2021-11-07 02:13:04,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:04,270 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 298 transitions. [2021-11-07 02:13:04,270 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 02:13:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 298 transitions. [2021-11-07 02:13:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 02:13:04,274 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:04,274 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 02:13:04,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:13:04,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:04,496 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 02:13:04,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:04,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1113430879, now seen corresponding path program 1 times [2021-11-07 02:13:04,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:04,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624535844] [2021-11-07 02:13:04,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:04,507 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:04,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:04,508 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:04,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:13:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:09,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:13:09,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:09,473 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 02:13:09,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:09,786 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 02:13:09,786 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:09,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624535844] [2021-11-07 02:13:09,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624535844] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:09,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:09,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:13:09,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628433576] [2021-11-07 02:13:09,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:13:09,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:09,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:13:09,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:13:09,791 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 02:13:10,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:10,323 INFO L93 Difference]: Finished difference Result 441 states and 564 transitions. [2021-11-07 02:13:10,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:13:10,328 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 02:13:10,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:10,330 INFO L225 Difference]: With dead ends: 441 [2021-11-07 02:13:10,330 INFO L226 Difference]: Without dead ends: 233 [2021-11-07 02:13:10,332 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 02:13:10,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-07 02:13:10,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-07 02:13:10,359 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 02:13:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 295 transitions. [2021-11-07 02:13:10,360 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 295 transitions. Word has length 54 [2021-11-07 02:13:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:10,361 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 295 transitions. [2021-11-07 02:13:10,361 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 02:13:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 295 transitions. [2021-11-07 02:13:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 02:13:10,371 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:10,372 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 02:13:10,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:13:10,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:10,596 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 02:13:10,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1476329313, now seen corresponding path program 1 times [2021-11-07 02:13:10,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:10,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307202618] [2021-11-07 02:13:10,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:10,608 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:10,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:10,609 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:10,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae90b595-a1be-4f34-897c-e6431a0e196c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:13:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:15,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 1870 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 02:13:15,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:15,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:13:15,789 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 02:13:16,041 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 02:13:16,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:30,623 WARN L207 SmtUtils]: Spent 13.91 s on a formula simplification. DAG size of input: 523 DAG size of output: 269 [2021-11-07 02:13:30,628 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-07 02:13:30,629 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