./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/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 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:21:22,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:21:22,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:21:23,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:21:23,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:21:23,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:21:23,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:21:23,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:21:23,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:21:23,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:21:23,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:21:23,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:21:23,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:21:23,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:21:23,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:21:23,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:21:23,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:21:23,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:21:23,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:21:23,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:21:23,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:21:23,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:21:23,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:21:23,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:21:23,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:21:23,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:21:23,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:21:23,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:21:23,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:21:23,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:21:23,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:21:23,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:21:23,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:21:23,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:21:23,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:21:23,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:21:23,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:21:23,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:21:23,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:21:23,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:21:23,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:21:23,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:21:23,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:21:23,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:21:23,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:21:23,180 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:21:23,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:21:23,180 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:21:23,180 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:21:23,181 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:21:23,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:21:23,181 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:21:23,181 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:21:23,182 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:21:23,182 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:21:23,182 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:21:23,182 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:21:23,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:21:23,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:21:23,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:21:23,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:21:23,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:21:23,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:21:23,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:21:23,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:21:23,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:21:23,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:21:23,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:21:23,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:21:23,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:21:23,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:21:23,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:21:23,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:21:23,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:21:23,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:21:23,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:21:23,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:21:23,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:21:23,188 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a [2021-11-07 01:21:23,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:21:23,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:21:23,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:21:23,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:21:23,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:21:23,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2021-11-07 01:21:23,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data/33d08d432/b99059054503490cbb4e7a212596447d/FLAG940167ac6 [2021-11-07 01:21:24,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:21:24,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2021-11-07 01:21:24,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data/33d08d432/b99059054503490cbb4e7a212596447d/FLAG940167ac6 [2021-11-07 01:21:25,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data/33d08d432/b99059054503490cbb4e7a212596447d [2021-11-07 01:21:25,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:21:25,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:21:25,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:21:25,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:21:25,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:21:25,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:21:25" (1/1) ... [2021-11-07 01:21:25,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed9fedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:25, skipping insertion in model container [2021-11-07 01:21:25,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:21:25" (1/1) ... [2021-11-07 01:21:25,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:21:25,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:21:25,566 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-07 01:21:25,574 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-07 01:21:25,605 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:21:25,612 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:21:26,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:26,734 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:26,735 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:26,736 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:26,738 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:26,756 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:26,761 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:26,767 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:26,768 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:27,325 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:21:27,327 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:21:27,328 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:21:27,330 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:21:27,332 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:21:27,333 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:21:27,334 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:21:27,335 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:21:27,336 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:21:27,337 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:21:27,597 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:21:27,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:27,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:27,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:21:27,927 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 01:21:27,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37e78ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:27, skipping insertion in model container [2021-11-07 01:21:27,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:21:27,929 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:21:27,933 INFO L168 Benchmark]: Toolchain (without parser) took 2919.67 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 61.3 MB in the beginning and 51.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:21:27,934 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:21:27,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2916.59 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 61.0 MB in the beginning and 51.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:21:27,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2916.59 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 61.0 MB in the beginning and 51.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 38.0 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/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 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:21:30,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:21:30,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:21:30,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:21:30,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:21:30,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:21:30,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:21:30,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:21:30,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:21:30,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:21:30,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:21:30,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:21:30,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:21:30,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:21:30,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:21:30,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:21:30,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:21:30,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:21:30,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:21:30,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:21:30,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:21:30,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:21:30,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:21:30,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:21:30,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:21:30,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:21:30,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:21:30,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:21:30,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:21:30,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:21:30,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:21:30,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:21:30,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:21:30,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:21:30,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:21:30,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:21:30,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:21:30,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:21:30,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:21:30,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:21:30,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:21:30,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:21:30,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:21:30,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:21:30,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:21:30,927 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:21:30,927 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:21:30,928 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:21:30,928 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:21:30,928 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:21:30,929 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:21:30,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:21:30,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:21:30,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:21:30,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:21:30,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:21:30,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:21:30,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:21:30,933 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:21:30,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:21:30,934 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:21:30,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:21:30,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:21:30,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:21:30,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:21:30,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:21:30,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:21:30,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:21:30,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:21:30,936 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:21:30,937 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:21:30,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:21:30,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:21:30,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:21:30,938 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a [2021-11-07 01:21:31,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:21:31,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:21:31,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:21:31,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:21:31,408 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:21:31,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2021-11-07 01:21:31,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data/858971725/2bb2cf4fedfc45039052897209d2afb6/FLAGb7d6ad84d [2021-11-07 01:21:32,688 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:21:32,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2021-11-07 01:21:32,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data/858971725/2bb2cf4fedfc45039052897209d2afb6/FLAGb7d6ad84d [2021-11-07 01:21:33,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/data/858971725/2bb2cf4fedfc45039052897209d2afb6 [2021-11-07 01:21:33,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:21:33,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:21:33,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:21:33,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:21:33,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:21:33,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:21:33" (1/1) ... [2021-11-07 01:21:33,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60569fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:33, skipping insertion in model container [2021-11-07 01:21:33,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:21:33" (1/1) ... [2021-11-07 01:21:33,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:21:33,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:21:33,606 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-07 01:21:33,616 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-07 01:21:33,654 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:21:33,664 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:21:34,750 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:34,751 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:34,752 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:34,753 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:34,754 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:34,775 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:34,776 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:34,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:34,780 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:35,311 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:21:35,313 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:21:35,314 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:21:35,316 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:21:35,318 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:21:35,319 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:21:35,320 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:21:35,321 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:21:35,321 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:21:35,322 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:21:35,538 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:21:35,660 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:35,661 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:35,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:21:35,851 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:21:35,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:21:35,924 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-07 01:21:35,925 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-07 01:21:35,935 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:21:35,935 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:21:36,012 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,012 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,021 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,021 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,023 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,044 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,046 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,050 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,051 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,121 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:21:36,122 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:21:36,123 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:21:36,124 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:21:36,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:21:36,130 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:21:36,130 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:21:36,131 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:21:36,131 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:21:36,132 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:21:36,177 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:21:36,279 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,280 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:21:36,396 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:21:36,426 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-07 01:21:36,426 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_73ece6e2-edbc-4496-a712-40c7abfe1bf8/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-07 01:21:36,429 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:21:36,429 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:21:36,477 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,480 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,480 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,526 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:21:36,527 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:21:36,528 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:21:36,528 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:21:36,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:21:36,530 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:21:36,530 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:21:36,531 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:21:36,532 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:21:36,532 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:21:36,555 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:21:36,698 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,699 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:21:36,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:21:37,251 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:21:37,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37 WrapperNode [2021-11-07 01:21:37,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:21:37,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:21:37,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:21:37,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:21:37,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:21:37,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:21:37,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:21:37,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:21:37,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:21:37,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:21:37,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:21:37,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:21:37,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (1/1) ... [2021-11-07 01:21:37,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:21:37,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:21:37,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:21:37,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:21:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2021-11-07 01:21:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:21:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:21:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:21:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:21:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:21:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-07 01:21:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:21:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:21:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:21:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:21:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:21:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:21:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:21:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:21:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:21:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:21:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:21:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:21:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:21:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:21:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:21:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:21:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:21:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-07 01:21:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-07 01:21:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-07 01:21:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:21:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:21:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:21:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:22:01,632 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:22:01,632 INFO L299 CfgBuilder]: Removed 128 assume(true) statements. [2021-11-07 01:22:01,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:22:01 BoogieIcfgContainer [2021-11-07 01:22:01,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:22:01,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:22:01,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:22:01,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:22:01,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:21:33" (1/3) ... [2021-11-07 01:22:01,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6fca0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:22:01, skipping insertion in model container [2021-11-07 01:22:01,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:37" (2/3) ... [2021-11-07 01:22:01,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6fca0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:22:01, skipping insertion in model container [2021-11-07 01:22:01,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:22:01" (3/3) ... [2021-11-07 01:22:01,646 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be64_harness.i [2021-11-07 01:22:01,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:22:01,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-07 01:22:01,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:22:01,718 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 01:22:01,719 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-07 01:22:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 229 states have (on average 1.4759825327510918) internal successors, (338), 243 states have internal predecessors, (338), 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 01:22:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:22:01,760 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:01,761 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] [2021-11-07 01:22:01,762 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 01:22:01,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:01,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1384509862, now seen corresponding path program 1 times [2021-11-07 01:22:01,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:01,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644889364] [2021-11-07 01:22:01,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:01,801 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:01,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:01,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:01,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:22:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:06,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:22:06,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:22:07,173 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 01:22:07,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:22:07,494 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 01:22:07,495 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:22:07,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644889364] [2021-11-07 01:22:07,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644889364] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:22:07,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:22:07,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:22:07,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094881273] [2021-11-07 01:22:07,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:22:07,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:22:07,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:22:07,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:22:07,536 INFO L87 Difference]: Start difference. First operand has 244 states, 229 states have (on average 1.4759825327510918) internal successors, (338), 243 states have internal predecessors, (338), 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 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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 01:22:07,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:22:07,604 INFO L93 Difference]: Finished difference Result 483 states and 669 transitions. [2021-11-07 01:22:07,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:22:07,605 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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 57 [2021-11-07 01:22:07,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:22:07,629 INFO L225 Difference]: With dead ends: 483 [2021-11-07 01:22:07,630 INFO L226 Difference]: Without dead ends: 239 [2021-11-07 01:22:07,637 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 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 01:22:07,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-11-07 01:22:07,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2021-11-07 01:22:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 225 states have (on average 1.36) internal successors, (306), 238 states have internal predecessors, (306), 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 01:22:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 306 transitions. [2021-11-07 01:22:07,714 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 306 transitions. Word has length 57 [2021-11-07 01:22:07,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:22:07,715 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 306 transitions. [2021-11-07 01:22:07,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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 01:22:07,715 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 306 transitions. [2021-11-07 01:22:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:22:07,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:07,722 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] [2021-11-07 01:22:07,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:22:07,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:22:07,937 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 01:22:07,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:07,938 INFO L85 PathProgramCache]: Analyzing trace with hash -110980262, now seen corresponding path program 1 times [2021-11-07 01:22:07,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:07,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398353855] [2021-11-07 01:22:07,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:07,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:07,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:07,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:07,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:22:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:12,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:22:12,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:22:13,134 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 01:22:13,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:22:13,479 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 01:22:13,479 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:22:13,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398353855] [2021-11-07 01:22:13,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398353855] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:22:13,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:22:13,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:22:13,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444227203] [2021-11-07 01:22:13,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:22:13,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:22:13,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:22:13,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:22:13,484 INFO L87 Difference]: Start difference. First operand 239 states and 306 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 01:22:14,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:22:14,073 INFO L93 Difference]: Finished difference Result 453 states and 580 transitions. [2021-11-07 01:22:14,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:22:14,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2021-11-07 01:22:14,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:22:14,081 INFO L225 Difference]: With dead ends: 453 [2021-11-07 01:22:14,082 INFO L226 Difference]: Without dead ends: 239 [2021-11-07 01:22:14,084 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 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 01:22:14,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-11-07 01:22:14,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2021-11-07 01:22:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 225 states have (on average 1.3466666666666667) internal successors, (303), 238 states have internal predecessors, (303), 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 01:22:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 303 transitions. [2021-11-07 01:22:14,102 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 303 transitions. Word has length 57 [2021-11-07 01:22:14,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:22:14,103 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 303 transitions. [2021-11-07 01:22:14,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 01:22:14,103 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 303 transitions. [2021-11-07 01:22:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 01:22:14,106 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:14,106 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, 1, 1, 1] [2021-11-07 01:22:14,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:22:14,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:22:14,321 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 01:22:14,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:14,322 INFO L85 PathProgramCache]: Analyzing trace with hash -452004592, now seen corresponding path program 1 times [2021-11-07 01:22:14,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:14,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935031085] [2021-11-07 01:22:14,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:14,328 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:14,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:14,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:14,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ece6e2-edbc-4496-a712-40c7abfe1bf8/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:22:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:19,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 1886 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:22:19,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:22:20,041 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:20,043 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 01:22:20,323 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 01:22:20,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:22:34,195 WARN L207 SmtUtils]: Spent 13.17 s on a formula simplification. DAG size of input: 523 DAG size of output: 269 [2021-11-07 01:22:34,201 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-07 01:22:34,202 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