./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/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 b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:07:12,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:07:12,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:07:12,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:07:12,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:07:12,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:07:12,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:07:12,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:07:12,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:07:12,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:07:12,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:07:12,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:07:12,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:07:12,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:07:12,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:07:12,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:07:12,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:07:12,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:07:12,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:07:12,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:07:12,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:07:12,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:07:12,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:07:12,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:07:12,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:07:12,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:07:12,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:07:12,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:07:12,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:07:12,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:07:12,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:07:12,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:07:12,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:07:12,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:07:12,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:07:12,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:07:12,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:07:12,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:07:12,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:07:12,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:07:12,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:07:12,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:07:12,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:07:12,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:07:12,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:07:12,477 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:07:12,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:07:12,478 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:07:12,478 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:07:12,478 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:07:12,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:07:12,479 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:07:12,480 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:07:12,481 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:07:12,481 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:07:12,481 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:07:12,482 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:07:12,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:07:12,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:07:12,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:07:12,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:07:12,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:07:12,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:07:12,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:07:12,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:07:12,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:07:12,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:07:12,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:07:12,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:07:12,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:12,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:07:12,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:07:12,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:07:12,490 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:07:12,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:07:12,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:07:12,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:07:12,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:07:12,491 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a [2021-11-07 01:07:12,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:07:12,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:07:12,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:07:12,942 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:07:12,942 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:07:12,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2021-11-07 01:07:13,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data/c968fa16a/87624579175d4b359b34aece6382665a/FLAG81678c355 [2021-11-07 01:07:14,134 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:07:14,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2021-11-07 01:07:14,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data/c968fa16a/87624579175d4b359b34aece6382665a/FLAG81678c355 [2021-11-07 01:07:14,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data/c968fa16a/87624579175d4b359b34aece6382665a [2021-11-07 01:07:14,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:07:14,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:07:14,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:14,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:07:14,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:07:14,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:14" (1/1) ... [2021-11-07 01:07:14,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107d7032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:14, skipping insertion in model container [2021-11-07 01:07:14,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:14" (1/1) ... [2021-11-07 01:07:14,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:07:14,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:14,961 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4500,4513] [2021-11-07 01:07:14,969 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4560,4573] [2021-11-07 01:07:14,997 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:07:15,004 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:07:16,225 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,226 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,227 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,228 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,230 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,250 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,252 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,258 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,260 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:16,870 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:07:16,872 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:07:16,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:07:16,877 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:07:16,888 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:07:16,889 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:07:16,890 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:07:16,892 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:07:16,893 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:07:16,895 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:07:17,176 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:07:17,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:17,325 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:17,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:17,540 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 01:07:17,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e3e32a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:17, skipping insertion in model container [2021-11-07 01:07:17,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:17,543 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:07:17,546 INFO L168 Benchmark]: Toolchain (without parser) took 3075.64 ms. Allocated memory is still 136.3 MB. Free memory was 93.8 MB in the beginning and 56.4 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:17,547 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:07:17,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3071.54 ms. Allocated memory is still 136.3 MB. Free memory was 93.8 MB in the beginning and 56.4 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:17,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3071.54 ms. Allocated memory is still 136.3 MB. Free memory was 93.8 MB in the beginning and 56.4 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.7 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/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 b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:07:20,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:07:20,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:07:20,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:07:20,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:07:20,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:07:20,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:07:20,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:07:20,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:07:20,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:07:20,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:07:20,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:07:20,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:07:20,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:07:20,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:07:20,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:07:20,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:07:20,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:07:20,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:07:20,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:07:20,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:07:20,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:07:20,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:07:20,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:07:20,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:07:20,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:07:20,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:07:20,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:07:20,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:07:20,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:07:20,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:07:20,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:07:20,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:07:20,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:07:20,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:07:20,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:07:20,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:07:20,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:07:20,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:07:20,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:07:20,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:07:20,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:07:20,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:07:20,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:07:20,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:07:20,545 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:07:20,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:07:20,545 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:07:20,546 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:07:20,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:07:20,546 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:07:20,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:07:20,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:07:20,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:07:20,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:07:20,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:07:20,549 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:07:20,549 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:07:20,549 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:07:20,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:07:20,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:07:20,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:07:20,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:07:20,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:07:20,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:07:20,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:20,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:07:20,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:07:20,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:07:20,552 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:07:20,553 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:07:20,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:07:20,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:07:20,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:07:20,554 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a [2021-11-07 01:07:21,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:07:21,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:07:21,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:07:21,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:07:21,062 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:07:21,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2021-11-07 01:07:21,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data/ef85d25a9/321de8d2bc394002aff22bef39fcf96d/FLAG6166741db [2021-11-07 01:07:22,290 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:07:22,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2021-11-07 01:07:22,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data/ef85d25a9/321de8d2bc394002aff22bef39fcf96d/FLAG6166741db [2021-11-07 01:07:22,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/data/ef85d25a9/321de8d2bc394002aff22bef39fcf96d [2021-11-07 01:07:22,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:07:22,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:07:22,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:22,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:07:22,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:07:22,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:22" (1/1) ... [2021-11-07 01:07:22,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b9946c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:22, skipping insertion in model container [2021-11-07 01:07:22,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:22" (1/1) ... [2021-11-07 01:07:22,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:07:22,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:23,387 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4500,4513] [2021-11-07 01:07:23,397 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4560,4573] [2021-11-07 01:07:23,432 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:07:23,441 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:07:24,696 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:24,697 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:24,698 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:24,699 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:24,701 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:24,721 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:24,722 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:24,725 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:24,726 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:25,288 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:07:25,290 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:07:25,294 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:07:25,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:07:25,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:07:25,308 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:07:25,310 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:07:25,313 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:07:25,315 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:07:25,319 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:07:25,579 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:07:25,717 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:25,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:25,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:25,906 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:07:26,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:26,009 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4500,4513] [2021-11-07 01:07:26,010 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4560,4573] [2021-11-07 01:07:26,012 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:07:26,013 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:07:26,097 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,101 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,101 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,102 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,104 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,119 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,119 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,121 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,121 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,176 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:07:26,177 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:07:26,178 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:07:26,179 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:07:26,180 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:07:26,181 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:07:26,182 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:07:26,182 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:07:26,183 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:07:26,183 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:07:26,208 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:07:26,339 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,340 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:26,456 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:07:26,482 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4500,4513] [2021-11-07 01:07:26,489 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_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4560,4573] [2021-11-07 01:07:26,491 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:07:26,492 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:07:26,542 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,549 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,588 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,589 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,595 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,596 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,598 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,599 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,645 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:07:26,646 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:07:26,647 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:07:26,648 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:07:26,649 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:07:26,650 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:07:26,651 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:07:26,651 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:07:26,652 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:07:26,653 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:07:26,682 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:07:26,807 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,808 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:07:26,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:27,233 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:07:27,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27 WrapperNode [2021-11-07 01:07:27,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:27,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:07:27,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:07:27,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:07:27,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:07:27,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:07:27,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:07:27,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:07:27,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:07:27,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:07:27,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:07:27,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:07:27,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:27,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:07:27,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:07:27,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:07:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:07:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:07:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:07:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:07:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:07:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:07:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:07:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:07:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:07:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:07:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:07:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:07:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:07:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:07:43,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:07:43,943 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-11-07 01:07:43,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:43 BoogieIcfgContainer [2021-11-07 01:07:43,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:07:43,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:07:43,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:07:43,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:07:43,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:07:22" (1/3) ... [2021-11-07 01:07:43,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3534ca72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:07:43, skipping insertion in model container [2021-11-07 01:07:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (2/3) ... [2021-11-07 01:07:43,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3534ca72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:07:43, skipping insertion in model container [2021-11-07 01:07:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:43" (3/3) ... [2021-11-07 01:07:43,955 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_c_str_harness.i [2021-11-07 01:07:43,961 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:07:43,962 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 01:07:44,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:07:44,021 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 01:07:44,021 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 01:07:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 72 states have internal predecessors, (96), 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 01:07:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:07:44,043 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:44,044 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:44,044 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 01:07:44,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:44,051 INFO L85 PathProgramCache]: Analyzing trace with hash 752367981, now seen corresponding path program 1 times [2021-11-07 01:07:44,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:44,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935969045] [2021-11-07 01:07:44,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:44,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:44,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:44,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:44,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:07:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:48,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1690 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 01:07:48,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:48,579 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 01:07:48,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:48,689 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 01:07:48,690 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:48,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935969045] [2021-11-07 01:07:48,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935969045] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:48,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:48,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:07:48,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910558745] [2021-11-07 01:07:48,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:48,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:48,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:48,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:48,727 INFO L87 Difference]: Start difference. First operand has 73 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 72 states have internal predecessors, (96), 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 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:07:48,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:48,866 INFO L93 Difference]: Finished difference Result 143 states and 188 transitions. [2021-11-07 01:07:48,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:07:48,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-07 01:07:48,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:48,881 INFO L225 Difference]: With dead ends: 143 [2021-11-07 01:07:48,881 INFO L226 Difference]: Without dead ends: 68 [2021-11-07 01:07:48,887 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-07 01:07:48,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2021-11-07 01:07:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 61 states have (on average 1.278688524590164) internal successors, (78), 66 states have internal predecessors, (78), 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 01:07:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2021-11-07 01:07:48,940 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 12 [2021-11-07 01:07:48,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:48,941 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2021-11-07 01:07:48,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:07:48,942 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2021-11-07 01:07:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:07:48,942 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:48,943 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:48,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:49,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:49,144 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 01:07:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:49,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1767591953, now seen corresponding path program 1 times [2021-11-07 01:07:49,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:49,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418040020] [2021-11-07 01:07:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:49,155 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:49,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:49,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:49,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:07:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:53,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:07:53,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:53,585 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 01:07:53,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:53,656 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 01:07:53,657 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:53,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418040020] [2021-11-07 01:07:53,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418040020] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:53,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:53,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:07:53,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907604117] [2021-11-07 01:07:53,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:53,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:53,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:53,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:53,661 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:07:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:53,813 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2021-11-07 01:07:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:07:53,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-07 01:07:53,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:53,815 INFO L225 Difference]: With dead ends: 107 [2021-11-07 01:07:53,815 INFO L226 Difference]: Without dead ends: 67 [2021-11-07 01:07:53,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 01:07:53,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-07 01:07:53,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-11-07 01:07:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 66 states have internal predecessors, (77), 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 01:07:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2021-11-07 01:07:53,830 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 12 [2021-11-07 01:07:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:53,830 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2021-11-07 01:07:53,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:07:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2021-11-07 01:07:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:07:53,832 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:53,832 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:53,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:54,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:54,056 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 01:07:54,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:54,057 INFO L85 PathProgramCache]: Analyzing trace with hash 459939146, now seen corresponding path program 1 times [2021-11-07 01:07:54,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:54,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959182179] [2021-11-07 01:07:54,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:54,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:54,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:54,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:54,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:07:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:58,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:07:58,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:58,407 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 01:07:58,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:58,508 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 01:07:58,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:58,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959182179] [2021-11-07 01:07:58,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959182179] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:58,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:58,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-07 01:07:58,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414978444] [2021-11-07 01:07:58,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:07:58,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:58,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:07:58,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:07:58,510 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 01:07:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:59,124 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2021-11-07 01:07:59,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:07:59,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 14 [2021-11-07 01:07:59,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:59,126 INFO L225 Difference]: With dead ends: 114 [2021-11-07 01:07:59,126 INFO L226 Difference]: Without dead ends: 110 [2021-11-07 01:07:59,127 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:07:59,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-11-07 01:07:59,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 75. [2021-11-07 01:07:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 74 states have internal predecessors, (85), 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 01:07:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2021-11-07 01:07:59,137 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 14 [2021-11-07 01:07:59,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:59,137 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2021-11-07 01:07:59,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 01:07:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-07 01:07:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:07:59,142 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:59,142 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:59,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:59,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:59,343 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 01:07:59,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:59,344 INFO L85 PathProgramCache]: Analyzing trace with hash 77475522, now seen corresponding path program 1 times [2021-11-07 01:07:59,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:59,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009321182] [2021-11-07 01:07:59,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:59,349 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:59,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:59,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:59,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9c609f-9d4d-4f33-b2ce-700a9b2e08ca/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:08:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:38,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 01:08:38,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:39,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:08:39,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:08:39,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:08:39,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:08:39,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:08:39,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:08:39,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:08:39,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 87 [2021-11-07 01:08:39,424 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,424 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 178 treesize of output 82 [2021-11-07 01:08:39,525 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 01:08:39,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:39,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 437 treesize of output 423