./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_compare_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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/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 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:17:45,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:17:45,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:17:45,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:17:45,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:17:45,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:17:45,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:17:45,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:17:45,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:17:45,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:17:45,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:17:45,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:17:45,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:17:45,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:17:45,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:17:45,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:17:45,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:17:45,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:17:45,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:17:45,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:17:45,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:17:45,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:17:45,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:17:45,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:17:45,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:17:45,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:17:45,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:17:45,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:17:45,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:17:45,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:17:45,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:17:45,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:17:45,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:17:45,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:17:45,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:17:45,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:17:45,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:17:45,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:17:45,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:17:45,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:17:45,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:17:45,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:17:46,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:17:46,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:17:46,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:17:46,026 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:17:46,026 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:17:46,026 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:17:46,026 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:17:46,027 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:17:46,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:17:46,035 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:17:46,036 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:17:46,036 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:17:46,036 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:17:46,037 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:17:46,037 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:17:46,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:17:46,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:17:46,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:17:46,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:17:46,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:17:46,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:17:46,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:17:46,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:17:46,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:17:46,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:17:46,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:17:46,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:17:46,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:17:46,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:17:46,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:17:46,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:17:46,044 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:17:46,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:17:46,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:17:46,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:17:46,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:17:46,045 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2021-11-07 02:17:46,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:17:46,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:17:46,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:17:46,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:17:46,377 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:17:46,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-07 02:17:46,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data/79206a5b4/a09baf1e83bf40098580e9bf8eecf4c8/FLAGbf4fd1760 [2021-11-07 02:17:47,470 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:17:47,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-07 02:17:47,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data/79206a5b4/a09baf1e83bf40098580e9bf8eecf4c8/FLAGbf4fd1760 [2021-11-07 02:17:47,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data/79206a5b4/a09baf1e83bf40098580e9bf8eecf4c8 [2021-11-07 02:17:47,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:17:47,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:17:47,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:17:47,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:17:47,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:17:47,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:17:47" (1/1) ... [2021-11-07 02:17:47,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455cd2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:47, skipping insertion in model container [2021-11-07 02:17:47,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:17:47" (1/1) ... [2021-11-07 02:17:47,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:17:47,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:17:48,305 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-07 02:17:48,313 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-07 02:17:48,342 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:17:48,349 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:17:49,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:49,553 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:49,554 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:49,556 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:49,558 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:49,589 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:49,593 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:49,597 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:49,598 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:50,114 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:17:50,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:17:50,116 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:17:50,117 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:17:50,119 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:17:50,120 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:17:50,121 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:17:50,121 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:17:50,122 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:17:50,123 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:17:50,362 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:17:50,466 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:50,467 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:50,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:17:50,694 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 02:17:50,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ee85ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:50, skipping insertion in model container [2021-11-07 02:17:50,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:17:50,697 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:17:50,700 INFO L168 Benchmark]: Toolchain (without parser) took 2848.35 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 59.3 MB in the beginning and 53.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:17:50,701 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:17:50,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2845.51 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 59.0 MB in the beginning and 53.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:17:50,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2845.51 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 59.0 MB in the beginning and 53.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 31.4 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/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 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:17:52,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:17:52,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:17:53,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:17:53,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:17:53,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:17:53,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:17:53,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:17:53,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:17:53,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:17:53,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:17:53,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:17:53,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:17:53,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:17:53,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:17:53,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:17:53,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:17:53,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:17:53,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:17:53,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:17:53,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:17:53,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:17:53,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:17:53,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:17:53,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:17:53,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:17:53,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:17:53,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:17:53,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:17:53,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:17:53,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:17:53,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:17:53,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:17:53,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:17:53,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:17:53,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:17:53,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:17:53,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:17:53,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:17:53,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:17:53,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:17:53,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:17:53,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:17:53,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:17:53,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:17:53,179 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:17:53,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:17:53,179 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:17:53,179 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:17:53,180 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:17:53,180 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:17:53,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:17:53,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:17:53,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:17:53,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:17:53,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:17:53,184 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:17:53,184 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:17:53,184 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:17:53,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:17:53,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:17:53,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:17:53,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:17:53,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:17:53,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:17:53,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:17:53,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:17:53,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:17:53,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:17:53,187 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:17:53,187 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:17:53,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:17:53,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:17:53,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:17:53,188 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2021-11-07 02:17:53,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:17:53,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:17:53,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:17:53,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:17:53,680 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:17:53,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-07 02:17:53,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data/6a4a2566c/036f50e27c13449fa7647856e36ecc8f/FLAG11c190a41 [2021-11-07 02:17:54,817 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:17:54,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-07 02:17:54,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data/6a4a2566c/036f50e27c13449fa7647856e36ecc8f/FLAG11c190a41 [2021-11-07 02:17:55,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/data/6a4a2566c/036f50e27c13449fa7647856e36ecc8f [2021-11-07 02:17:55,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:17:55,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:17:55,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:17:55,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:17:55,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:17:55,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:17:55" (1/1) ... [2021-11-07 02:17:55,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d47e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:55, skipping insertion in model container [2021-11-07 02:17:55,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:17:55" (1/1) ... [2021-11-07 02:17:55,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:17:55,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:17:55,618 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-07 02:17:55,630 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-07 02:17:55,657 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:17:55,663 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:17:56,745 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,754 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,763 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,764 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,765 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,790 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:57,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:17:57,248 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:17:57,249 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:17:57,251 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:17:57,253 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:17:57,254 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:17:57,254 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:17:57,255 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:17:57,256 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:17:57,257 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:17:57,467 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:17:57,593 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:57,593 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:57,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:17:57,863 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:17:57,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:17:57,987 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-07 02:17:57,991 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-07 02:17:57,996 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:17:57,997 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:17:58,061 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,061 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,062 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,062 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,063 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,071 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,075 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,077 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,124 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:17:58,125 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:17:58,125 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:17:58,126 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:17:58,127 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:17:58,128 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:17:58,128 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:17:58,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:17:58,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:17:58,130 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:17:58,154 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:17:58,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:17:58,321 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:17:58,335 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-07 02:17:58,336 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_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-07 02:17:58,338 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:17:58,338 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:17:58,378 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,380 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,390 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,391 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,393 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,393 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,467 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:17:58,467 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:17:58,468 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:17:58,469 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:17:58,470 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:17:58,470 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:17:58,471 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:17:58,471 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:17:58,472 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:17:58,473 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:17:58,499 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:17:58,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:58,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:17:59,029 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:17:59,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59 WrapperNode [2021-11-07 02:17:59,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:17:59,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:17:59,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:17:59,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:17:59,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:17:59,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:17:59,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:17:59,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:17:59,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:17:59,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:17:59,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:17:59,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:17:59,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (1/1) ... [2021-11-07 02:17:59,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:17:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:17:59,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:17:59,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:17:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 02:17:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:17:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:17:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:17:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:17:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:17:59,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:17:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:17:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:17:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:17:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:17:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:17:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:17:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:18:15,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:18:15,359 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-07 02:18:15,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:15 BoogieIcfgContainer [2021-11-07 02:18:15,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:18:15,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:18:15,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:18:15,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:18:15,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:17:55" (1/3) ... [2021-11-07 02:18:15,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a2079f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:18:15, skipping insertion in model container [2021-11-07 02:18:15,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:59" (2/3) ... [2021-11-07 02:18:15,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a2079f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:18:15, skipping insertion in model container [2021-11-07 02:18:15,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:15" (3/3) ... [2021-11-07 02:18:15,371 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2021-11-07 02:18:15,377 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:18:15,378 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 02:18:15,433 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:18:15,439 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:18:15,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 02:18:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 136 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 02:18:15,469 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:18:15,470 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] [2021-11-07 02:18:15,471 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 02:18:15,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:18:15,478 INFO L85 PathProgramCache]: Analyzing trace with hash 171211731, now seen corresponding path program 1 times [2021-11-07 02:18:15,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:18:15,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554239422] [2021-11-07 02:18:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:15,506 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:18:15,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:18:15,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:18:15,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:18:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:18:20,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 1750 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:18:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:18:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:20,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:18:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:20,546 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:18:20,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554239422] [2021-11-07 02:18:20,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554239422] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:18:20,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:18:20,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:18:20,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071846037] [2021-11-07 02:18:20,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:18:20,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:18:20,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:18:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:18:20,582 INFO L87 Difference]: Start difference. First operand has 137 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 136 states have internal predecessors, (187), 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 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:20,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:18:20,636 INFO L93 Difference]: Finished difference Result 268 states and 366 transitions. [2021-11-07 02:18:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:18:20,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-07 02:18:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:18:20,656 INFO L225 Difference]: With dead ends: 268 [2021-11-07 02:18:20,656 INFO L226 Difference]: Without dead ends: 132 [2021-11-07 02:18:20,661 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:18:20,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-07 02:18:20,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-07 02:18:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2021-11-07 02:18:20,734 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 28 [2021-11-07 02:18:20,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:18:20,735 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2021-11-07 02:18:20,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2021-11-07 02:18:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 02:18:20,739 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:18:20,740 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] [2021-11-07 02:18:20,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 02:18:20,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:18:20,941 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 02:18:20,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:18:20,942 INFO L85 PathProgramCache]: Analyzing trace with hash -379969457, now seen corresponding path program 1 times [2021-11-07 02:18:20,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:18:20,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093577798] [2021-11-07 02:18:20,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:20,951 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:18:20,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:18:20,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:18:20,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:18:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:18:25,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1750 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 02:18:25,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:18:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:26,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:18:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:26,714 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:18:26,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093577798] [2021-11-07 02:18:26,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1093577798] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:18:26,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:18:26,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-07 02:18:26,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359417751] [2021-11-07 02:18:26,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:18:26,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:18:26,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:18:26,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:18:26,719 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:27,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:18:27,302 INFO L93 Difference]: Finished difference Result 406 states and 526 transitions. [2021-11-07 02:18:27,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 02:18:27,303 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 28 [2021-11-07 02:18:27,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:18:27,307 INFO L225 Difference]: With dead ends: 406 [2021-11-07 02:18:27,307 INFO L226 Difference]: Without dead ends: 364 [2021-11-07 02:18:27,309 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:18:27,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-11-07 02:18:27,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 341. [2021-11-07 02:18:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 335 states have (on average 1.3343283582089551) internal successors, (447), 340 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 447 transitions. [2021-11-07 02:18:27,365 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 447 transitions. Word has length 28 [2021-11-07 02:18:27,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:18:27,365 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 447 transitions. [2021-11-07 02:18:27,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 447 transitions. [2021-11-07 02:18:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 02:18:27,376 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:18:27,376 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] [2021-11-07 02:18:27,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:18:27,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:18:27,601 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 02:18:27,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:18:27,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1898656179, now seen corresponding path program 1 times [2021-11-07 02:18:27,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:18:27,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544927932] [2021-11-07 02:18:27,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:27,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:18:27,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:18:27,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:18:27,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:18:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:18:32,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 1787 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 02:18:32,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:18:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:32,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:18:33,173 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 02:18:33,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:18:33,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544927932] [2021-11-07 02:18:33,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544927932] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:18:33,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:18:33,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-07 02:18:33,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7309323] [2021-11-07 02:18:33,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:18:33,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:18:33,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:18:33,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:18:33,177 INFO L87 Difference]: Start difference. First operand 341 states and 447 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:33,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:18:33,541 INFO L93 Difference]: Finished difference Result 345 states and 449 transitions. [2021-11-07 02:18:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:18:33,543 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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 39 [2021-11-07 02:18:33,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:18:33,544 INFO L225 Difference]: With dead ends: 345 [2021-11-07 02:18:33,544 INFO L226 Difference]: Without dead ends: 70 [2021-11-07 02:18:33,546 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:18:33,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-07 02:18:33,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-11-07 02:18:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 69 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2021-11-07 02:18:33,553 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 39 [2021-11-07 02:18:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:18:33,553 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2021-11-07 02:18:33,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2021-11-07 02:18:33,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 02:18:33,556 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:18:33,556 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] [2021-11-07 02:18:33,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:18:33,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:18:33,771 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 02:18:33,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:18:33,772 INFO L85 PathProgramCache]: Analyzing trace with hash -56685494, now seen corresponding path program 1 times [2021-11-07 02:18:33,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:18:33,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984114198] [2021-11-07 02:18:33,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:33,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:18:33,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:18:33,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:18:33,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:18:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:18:38,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-07 02:18:38,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:18:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:39,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:18:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:40,451 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:18:40,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984114198] [2021-11-07 02:18:40,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984114198] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:18:40,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:18:40,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 14 [2021-11-07 02:18:40,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929265532] [2021-11-07 02:18:40,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 02:18:40,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:18:40,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 02:18:40,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-07 02:18:40,454 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:18:40,971 INFO L93 Difference]: Finished difference Result 70 states and 86 transitions. [2021-11-07 02:18:40,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 02:18:40,972 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 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 50 [2021-11-07 02:18:40,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:18:40,973 INFO L225 Difference]: With dead ends: 70 [2021-11-07 02:18:40,973 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:18:40,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2021-11-07 02:18:40,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:18:40,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:18:40,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:40,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:18:40,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2021-11-07 02:18:40,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:18:40,976 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:18:40,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:18:40,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:18:40,979 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:40,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:40,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:40,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:40,981 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:40,981 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:41,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:18:41,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:18:41,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:18:41,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:18:41,826 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,826 INFO L857 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2021-11-07 02:18:41,826 INFO L853 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-11-07 02:18:41,826 INFO L857 garLoopResultBuilder]: For program point L9219(line 9219) no Hoare annotation was computed. [2021-11-07 02:18:41,826 INFO L853 garLoopResultBuilder]: At program point L6890-1(lines 6889 6891) the Hoare annotation is: false [2021-11-07 02:18:41,827 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:18:41,827 INFO L857 garLoopResultBuilder]: For program point L9219-2(line 9219) no Hoare annotation was computed. [2021-11-07 02:18:41,827 INFO L857 garLoopResultBuilder]: For program point L9220(line 9220) no Hoare annotation was computed. [2021-11-07 02:18:41,827 INFO L857 garLoopResultBuilder]: For program point L9220-2(line 9220) no Hoare annotation was computed. [2021-11-07 02:18:41,827 INFO L857 garLoopResultBuilder]: For program point L9237(line 9237) no Hoare annotation was computed. [2021-11-07 02:18:41,827 INFO L857 garLoopResultBuilder]: For program point L9237-2(line 9237) no Hoare annotation was computed. [2021-11-07 02:18:41,827 INFO L857 garLoopResultBuilder]: For program point L9221(lines 9221 9223) no Hoare annotation was computed. [2021-11-07 02:18:41,827 INFO L857 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-11-07 02:18:41,828 INFO L857 garLoopResultBuilder]: For program point L6810-3(lines 6810 6811) no Hoare annotation was computed. [2021-11-07 02:18:41,828 INFO L857 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-11-07 02:18:41,828 INFO L857 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-11-07 02:18:41,828 INFO L857 garLoopResultBuilder]: For program point L9553-1(lines 9537 9559) no Hoare annotation was computed. [2021-11-07 02:18:41,828 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-07 02:18:41,828 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-07 02:18:41,828 INFO L857 garLoopResultBuilder]: For program point L9537(lines 9537 9559) no Hoare annotation was computed. [2021-11-07 02:18:41,828 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 7101 7111) no Hoare annotation was computed. [2021-11-07 02:18:41,829 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-07 02:18:41,829 INFO L857 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-11-07 02:18:41,829 INFO L857 garLoopResultBuilder]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2021-11-07 02:18:41,829 INFO L857 garLoopResultBuilder]: For program point L9538(lines 9538 9539) no Hoare annotation was computed. [2021-11-07 02:18:41,829 INFO L857 garLoopResultBuilder]: For program point L9224(lines 9224 9228) no Hoare annotation was computed. [2021-11-07 02:18:41,829 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:18:41,829 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,829 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,830 INFO L857 garLoopResultBuilder]: For program point L9538-2(lines 9538 9539) no Hoare annotation was computed. [2021-11-07 02:18:41,830 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,830 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,830 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,830 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,830 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,830 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,831 INFO L857 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,831 INFO L857 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,831 INFO L857 garLoopResultBuilder]: For program point L223-15(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,831 INFO L857 garLoopResultBuilder]: For program point L223-16(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,831 INFO L857 garLoopResultBuilder]: For program point L9242(lines 9242 9244) no Hoare annotation was computed. [2021-11-07 02:18:41,831 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,832 INFO L853 garLoopResultBuilder]: At program point L6815-1(lines 6806 6816) the Hoare annotation is: false [2021-11-07 02:18:41,832 INFO L853 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-11-07 02:18:41,832 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,832 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 02:18:41,832 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,832 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,832 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,833 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,833 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,833 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,833 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,833 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,833 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-07 02:18:41,833 INFO L857 garLoopResultBuilder]: For program point L9542-1(lines 9542 9543) no Hoare annotation was computed. [2021-11-07 02:18:41,833 INFO L857 garLoopResultBuilder]: For program point L9542-3(lines 9542 9543) no Hoare annotation was computed. [2021-11-07 02:18:41,834 INFO L857 garLoopResultBuilder]: For program point L9542(lines 9542 9544) no Hoare annotation was computed. [2021-11-07 02:18:41,834 INFO L857 garLoopResultBuilder]: For program point L9245(lines 9245 9247) no Hoare annotation was computed. [2021-11-07 02:18:41,834 INFO L857 garLoopResultBuilder]: For program point L9542-5(lines 9542 9544) no Hoare annotation was computed. [2021-11-07 02:18:41,834 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,834 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,836 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,836 INFO L857 garLoopResultBuilder]: For program point L9229(lines 9229 9233) no Hoare annotation was computed. [2021-11-07 02:18:41,836 INFO L857 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,837 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,837 INFO L857 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,837 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,837 INFO L857 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,838 INFO L853 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: (and (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset) (= ULTIMATE.start_aws_string_compare_~b.base ULTIMATE.start_aws_string_compare_~a.base) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_~a.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_~b.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.offset|) (= |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.base| ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.base ULTIMATE.start_aws_string_compare_harness_~str_b~1.base) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_~b.base)) [2021-11-07 02:18:41,838 INFO L857 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,838 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,838 INFO L857 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,838 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,839 INFO L857 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,839 INFO L857 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,839 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,839 INFO L860 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-11-07 02:18:41,840 INFO L853 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: (and (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset) (= ULTIMATE.start_aws_string_compare_~b.base ULTIMATE.start_aws_string_compare_~a.base) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_~a.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_~b.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.offset|) (= |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.base| ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.base ULTIMATE.start_aws_string_compare_harness_~str_b~1.base) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_~b.base)) [2021-11-07 02:18:41,840 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,840 INFO L853 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-07 02:18:41,840 INFO L857 garLoopResultBuilder]: For program point L6256-14(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,840 INFO L853 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.base)) [2021-11-07 02:18:41,841 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-07 02:18:41,841 INFO L853 garLoopResultBuilder]: At program point L261-3(line 261) the Hoare annotation is: (and (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.base)) [2021-11-07 02:18:41,841 INFO L857 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,841 INFO L853 garLoopResultBuilder]: At program point L261-4(line 261) the Hoare annotation is: false [2021-11-07 02:18:41,841 INFO L857 garLoopResultBuilder]: For program point L6256-17(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,842 INFO L853 garLoopResultBuilder]: At program point L261-5(line 261) the Hoare annotation is: (and (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.base ULTIMATE.start_aws_string_compare_harness_~str_b~1.base)) [2021-11-07 02:18:41,842 INFO L857 garLoopResultBuilder]: For program point L6256-16(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,842 INFO L857 garLoopResultBuilder]: For program point L6256-21(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,842 INFO L857 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-11-07 02:18:41,843 INFO L857 garLoopResultBuilder]: For program point L6256-19(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,843 INFO L853 garLoopResultBuilder]: At program point L6256-20(lines 6252 6257) the Hoare annotation is: false [2021-11-07 02:18:41,843 INFO L857 garLoopResultBuilder]: For program point L6256-26(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,843 INFO L857 garLoopResultBuilder]: For program point L6256-23(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,843 INFO L857 garLoopResultBuilder]: For program point L6256-24(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,843 INFO L857 garLoopResultBuilder]: For program point L6256-30(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,844 INFO L860 garLoopResultBuilder]: At program point L9560(line 9560) the Hoare annotation is: true [2021-11-07 02:18:41,844 INFO L853 garLoopResultBuilder]: At program point L6256-27(lines 6252 6257) the Hoare annotation is: false [2021-11-07 02:18:41,844 INFO L857 garLoopResultBuilder]: For program point L6256-28(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,844 INFO L857 garLoopResultBuilder]: For program point L6256-33(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,844 INFO L853 garLoopResultBuilder]: At program point L6256-34(lines 6252 6257) the Hoare annotation is: false [2021-11-07 02:18:41,845 INFO L857 garLoopResultBuilder]: For program point L6256-31(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,845 INFO L857 garLoopResultBuilder]: For program point L6256-37(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,845 INFO L857 garLoopResultBuilder]: For program point L6256-38(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,845 INFO L857 garLoopResultBuilder]: For program point L6256-35(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,845 INFO L853 garLoopResultBuilder]: At program point L6256-41(lines 6252 6257) the Hoare annotation is: false [2021-11-07 02:18:41,846 INFO L857 garLoopResultBuilder]: For program point L6256-42(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,846 INFO L857 garLoopResultBuilder]: For program point L6256-40(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,846 INFO L857 garLoopResultBuilder]: For program point L6256-45(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,846 INFO L857 garLoopResultBuilder]: For program point L6256-44(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,846 INFO L857 garLoopResultBuilder]: For program point L6256-49(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,846 INFO L857 garLoopResultBuilder]: For program point L6256-47(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,847 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,847 INFO L853 garLoopResultBuilder]: At program point L6256-48(lines 6252 6257) the Hoare annotation is: false [2021-11-07 02:18:41,847 INFO L857 garLoopResultBuilder]: For program point L6256-54(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,847 INFO L857 garLoopResultBuilder]: For program point L6256-51(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,848 INFO L857 garLoopResultBuilder]: For program point L6256-52(line 6256) no Hoare annotation was computed. [2021-11-07 02:18:41,848 INFO L853 garLoopResultBuilder]: At program point L6256-55(lines 6252 6257) the Hoare annotation is: false [2021-11-07 02:18:41,848 INFO L853 garLoopResultBuilder]: At program point L6803-1(lines 6800 6804) the Hoare annotation is: false [2021-11-07 02:18:41,848 INFO L853 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-11-07 02:18:41,848 INFO L853 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-11-07 02:18:41,849 INFO L853 garLoopResultBuilder]: At program point L6886-1(lines 6882 6887) the Hoare annotation is: false [2021-11-07 02:18:41,849 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 02:18:41,849 INFO L857 garLoopResultBuilder]: For program point L9248(lines 9248 9250) no Hoare annotation was computed. [2021-11-07 02:18:41,849 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 02:18:41,849 INFO L857 garLoopResultBuilder]: For program point L9548(line 9548) no Hoare annotation was computed. [2021-11-07 02:18:41,850 INFO L857 garLoopResultBuilder]: For program point L9548-2(line 9548) no Hoare annotation was computed. [2021-11-07 02:18:41,850 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= (_ bv16 64) ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-07 02:18:41,850 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: (and (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= (_ bv16 64) ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size)) [2021-11-07 02:18:41,850 INFO L853 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-11-07 02:18:41,850 INFO L853 garLoopResultBuilder]: At program point L9251(lines 9218 9252) the Hoare annotation is: (and (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_b~1.base) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= (_ bv0 64) ULTIMATE.start_aws_string_compare_harness_~str_a~1.base)) [2021-11-07 02:18:41,851 INFO L857 garLoopResultBuilder]: For program point L9548-3(lines 9548 9552) no Hoare annotation was computed. [2021-11-07 02:18:41,851 INFO L857 garLoopResultBuilder]: For program point L9548-4(lines 9537 9559) no Hoare annotation was computed. [2021-11-07 02:18:41,851 INFO L853 garLoopResultBuilder]: At program point L6245(lines 6242 6246) the Hoare annotation is: false [2021-11-07 02:18:41,851 INFO L853 garLoopResultBuilder]: At program point L6245-1(lines 6242 6246) the Hoare annotation is: false [2021-11-07 02:18:41,855 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 02:18:41,857 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:18:41,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:18:41 BoogieIcfgContainer [2021-11-07 02:18:41,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:18:41,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:18:41,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:18:41,881 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:18:41,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:15" (3/4) ... [2021-11-07 02:18:41,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:18:41,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2021-11-07 02:18:41,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2021-11-07 02:18:41,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-07 02:18:41,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-07 02:18:41,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-07 02:18:41,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-07 02:18:41,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 02:18:41,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:18:43,074 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:18:43,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:18:43,076 INFO L168 Benchmark]: Toolchain (without parser) took 47902.60 ms. Allocated memory was 75.5 MB in the beginning and 811.6 MB in the end (delta: 736.1 MB). Free memory was 51.9 MB in the beginning and 430.0 MB in the end (delta: -378.0 MB). Peak memory consumption was 554.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:43,077 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory is still 57.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:18:43,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3856.49 ms. Allocated memory was 75.5 MB in the beginning and 146.8 MB in the end (delta: 71.3 MB). Free memory was 51.7 MB in the beginning and 51.3 MB in the end (delta: 400.5 kB). Peak memory consumption was 74.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:43,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 308.78 ms. Allocated memory is still 146.8 MB. Free memory was 51.3 MB in the beginning and 75.1 MB in the end (delta: -23.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:43,078 INFO L168 Benchmark]: Boogie Preprocessor took 200.80 ms. Allocated memory is still 146.8 MB. Free memory was 75.1 MB in the beginning and 64.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:43,079 INFO L168 Benchmark]: RCFGBuilder took 15818.88 ms. Allocated memory was 146.8 MB in the beginning and 620.8 MB in the end (delta: 474.0 MB). Free memory was 64.6 MB in the beginning and 386.7 MB in the end (delta: -322.1 MB). Peak memory consumption was 358.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:43,079 INFO L168 Benchmark]: TraceAbstraction took 26515.79 ms. Allocated memory was 620.8 MB in the beginning and 811.6 MB in the end (delta: 190.8 MB). Free memory was 385.7 MB in the beginning and 305.2 MB in the end (delta: 80.4 MB). Peak memory consumption was 270.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:43,080 INFO L168 Benchmark]: Witness Printer took 1194.35 ms. Allocated memory is still 811.6 MB. Free memory was 305.2 MB in the beginning and 430.0 MB in the end (delta: -124.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:43,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory is still 57.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3856.49 ms. Allocated memory was 75.5 MB in the beginning and 146.8 MB in the end (delta: 71.3 MB). Free memory was 51.7 MB in the beginning and 51.3 MB in the end (delta: 400.5 kB). Peak memory consumption was 74.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 308.78 ms. Allocated memory is still 146.8 MB. Free memory was 51.3 MB in the beginning and 75.1 MB in the end (delta: -23.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 200.80 ms. Allocated memory is still 146.8 MB. Free memory was 75.1 MB in the beginning and 64.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15818.88 ms. Allocated memory was 146.8 MB in the beginning and 620.8 MB in the end (delta: 474.0 MB). Free memory was 64.6 MB in the beginning and 386.7 MB in the end (delta: -322.1 MB). Peak memory consumption was 358.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26515.79 ms. Allocated memory was 620.8 MB in the beginning and 811.6 MB in the end (delta: 190.8 MB). Free memory was 385.7 MB in the beginning and 305.2 MB in the end (delta: 80.4 MB). Peak memory consumption was 270.2 MB. Max. memory is 16.1 GB. * Witness Printer took 1194.35 ms. Allocated memory is still 811.6 MB. Free memory was 305.2 MB in the beginning and 430.0 MB in the end (delta: -124.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 26.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 459 SDtfs, 551 SDslu, 1377 SDs, 0 SdLazy, 167 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 292 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=341occurred in iteration=2, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 23 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 37 NumberOfFragments, 136 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 16.6s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 282 ConstructedInterpolants, 1 QuantifiedInterpolants, 876 SizeOfPredicates, 30 NumberOfNonLiveVariables, 7089 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: ((((((((0bv64 == str_b && b == a) && 0bv64 == a) && 0bv64 == b) && 0bv64 == str_a) && str_a == nondet_parameter ? str_b : str_a) && nondet_parameter ? str_b : str_a == str_a) && 0bv64 == str_a) && str_a == str_b) && 0bv64 == b - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((0bv64 == str_b && 0bv64 == str_a) && 0bv64 == str_a) && str_a == str_b - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16bv64 == max_size - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0bv64 == str_a && 0bv64 == str_a - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9218]: Loop Invariant Derived loop invariant: ((0bv64 == str_b && 0bv64 == str_b) && 0bv64 == str_a) && 0bv64 == str_a - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: ((((((((0bv64 == str_b && b == a) && 0bv64 == a) && 0bv64 == b) && 0bv64 == str_a) && str_a == nondet_parameter ? str_b : str_a) && nondet_parameter ? str_b : str_a == str_a) && 0bv64 == str_a) && str_a == str_b) && 0bv64 == b - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (0bv64 == str_a && 0bv64 == str_a) && 16bv64 == max_size - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0bv64 == str_a && 0bv64 == str_a - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9560]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 02:18:43,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec70d47d-ea66-4341-a03b-fd97ee71c8ec/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE