./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF --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 5c58e2434ae79fdf5f8dceab88ea2b6ad3f1a1a8bb44e2d930eaf759f64b3d29 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:55:23,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:55:23,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:55:23,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:55:23,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:55:23,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:55:23,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:55:23,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:55:23,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:55:23,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:55:23,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:55:23,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:55:23,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:55:23,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:55:23,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:55:23,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:55:23,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:55:23,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:55:23,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:55:23,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:55:23,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:55:23,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:55:23,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:55:23,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:55:23,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:55:23,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:55:23,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:55:23,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:55:23,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:55:23,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:55:23,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:55:23,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:55:23,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:55:23,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:55:23,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:55:23,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:55:23,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:55:23,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:55:23,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:55:23,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:55:23,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:55:23,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:55:23,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:55:23,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:55:23,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:55:23,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:55:23,608 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:55:23,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:55:23,608 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:55:23,608 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:55:23,608 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:55:23,608 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:55:23,608 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:55:23,608 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:55:23,609 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:55:23,609 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:55:23,609 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:55:23,609 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:55:23,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:55:23,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:55:23,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:55:23,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:55:23,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:55:23,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:55:23,610 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:55:23,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:55:23,611 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:55:23,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:55:23,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:55:23,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:55:23,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:55:23,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:55:23,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:55:23,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:55:23,612 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:55:23,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:55:23,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:55:23,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:55:23,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:55:23,612 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c58e2434ae79fdf5f8dceab88ea2b6ad3f1a1a8bb44e2d930eaf759f64b3d29 [2021-11-12 22:55:23,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:55:23,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:55:23,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:55:23,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:55:23,947 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:55:23,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i [2021-11-12 22:55:24,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data/3dc001b20/6c743d7adf0e4b829bb01af1c37b7b5b/FLAG602ff5ff5 [2021-11-12 22:55:24,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:55:24,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i [2021-11-12 22:55:24,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data/3dc001b20/6c743d7adf0e4b829bb01af1c37b7b5b/FLAG602ff5ff5 [2021-11-12 22:55:25,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data/3dc001b20/6c743d7adf0e4b829bb01af1c37b7b5b [2021-11-12 22:55:25,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:55:25,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:55:25,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:25,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:55:25,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:55:25,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:25" (1/1) ... [2021-11-12 22:55:25,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6651c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:25, skipping insertion in model container [2021-11-12 22:55:25,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:25" (1/1) ... [2021-11-12 22:55:25,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:55:25,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:55:25,745 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4499,4512] [2021-11-12 22:55:25,752 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4559,4572] [2021-11-12 22:55:25,777 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:55:25,783 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:55:26,745 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:26,745 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:26,746 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:26,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:26,748 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:26,775 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:26,775 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:26,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:26,778 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:27,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:55:27,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:55:27,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:55:27,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:55:27,200 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:55:27,201 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:55:27,201 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:55:27,202 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:55:27,203 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:55:27,204 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:55:27,437 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:55:27,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:27,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:27,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:55:27,757 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) [2021-11-12 22:55:27,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@24d33e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:27, skipping insertion in model container [2021-11-12 22:55:27,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:27,759 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:55:27,762 INFO L158 Benchmark]: Toolchain (without parser) took 2417.11ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 58.1MB in the end (delta: 20.4MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-12 22:55:27,763 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:55:27,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2412.44ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 58.1MB in the end (delta: 20.4MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-12 22:55:27,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2412.44ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 58.1MB in the end (delta: 20.4MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6991]: 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF --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 5c58e2434ae79fdf5f8dceab88ea2b6ad3f1a1a8bb44e2d930eaf759f64b3d29 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:55:30,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:55:30,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:55:30,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:55:30,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:55:30,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:55:30,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:55:30,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:55:30,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:55:30,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:55:30,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:55:30,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:55:30,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:55:30,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:55:30,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:55:30,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:55:30,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:55:30,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:55:30,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:55:30,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:55:30,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:55:30,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:55:30,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:55:30,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:55:30,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:55:30,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:55:30,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:55:30,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:55:30,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:55:30,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:55:30,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:55:30,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:55:30,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:55:30,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:55:30,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:55:30,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:55:30,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:55:30,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:55:30,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:55:30,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:55:30,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:55:30,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:55:30,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:55:30,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:55:30,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:55:30,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:55:30,249 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:55:30,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:55:30,249 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:55:30,250 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:55:30,250 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:55:30,250 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:55:30,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:55:30,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:55:30,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:55:30,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:55:30,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:55:30,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:55:30,252 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:55:30,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:55:30,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:55:30,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:55:30,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:55:30,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:55:30,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:55:30,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:55:30,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:55:30,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:55:30,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:55:30,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:55:30,255 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:55:30,255 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:55:30,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:55:30,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:55:30,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:55:30,256 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c58e2434ae79fdf5f8dceab88ea2b6ad3f1a1a8bb44e2d930eaf759f64b3d29 [2021-11-12 22:55:30,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:55:30,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:55:30,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:55:30,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:55:30,639 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:55:30,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i [2021-11-12 22:55:30,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data/3f36563da/43c897db9c214862956451db4aa8c863/FLAG85bfdd31b [2021-11-12 22:55:31,701 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:55:31,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i [2021-11-12 22:55:31,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data/3f36563da/43c897db9c214862956451db4aa8c863/FLAG85bfdd31b [2021-11-12 22:55:32,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/data/3f36563da/43c897db9c214862956451db4aa8c863 [2021-11-12 22:55:32,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:55:32,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:55:32,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:32,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:55:32,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:55:32,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:32" (1/1) ... [2021-11-12 22:55:32,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5595f64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:32, skipping insertion in model container [2021-11-12 22:55:32,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:32" (1/1) ... [2021-11-12 22:55:32,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:55:32,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:55:32,637 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4499,4512] [2021-11-12 22:55:32,644 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4559,4572] [2021-11-12 22:55:32,667 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:55:32,673 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:55:33,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:33,607 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:33,608 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:33,609 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:33,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:33,624 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:33,625 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:33,627 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:33,627 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,087 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:55:34,088 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:55:34,089 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:55:34,091 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:55:34,092 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:55:34,093 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:55:34,094 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:55:34,095 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:55:34,096 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:55:34,096 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:55:34,301 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:55:34,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,440 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:55:34,597 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:55:34,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:55:34,692 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4499,4512] [2021-11-12 22:55:34,693 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4559,4572] [2021-11-12 22:55:34,694 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:55:34,698 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:55:34,784 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,802 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,802 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,803 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,804 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,838 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:55:34,838 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:55:34,839 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:55:34,840 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:55:34,841 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:55:34,842 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:55:34,842 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:55:34,843 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:55:34,843 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:55:34,844 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:55:34,864 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:55:34,945 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,946 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:34,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:55:34,981 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:55:34,994 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4499,4512] [2021-11-12 22:55:34,995 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_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4559,4572] [2021-11-12 22:55:34,996 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:55:34,997 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:55:35,046 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,046 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,047 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,047 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,048 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,053 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,053 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,054 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,084 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:55:35,085 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:55:35,086 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:55:35,086 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:55:35,087 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:55:35,087 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:55:35,088 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:55:35,088 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:55:35,089 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:55:35,089 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:55:35,108 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:55:35,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:55:35,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:55:35,564 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:55:35,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35 WrapperNode [2021-11-12 22:55:35,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:35,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:55:35,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:55:35,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:55:35,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:55:35,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:55:35,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:55:35,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:55:35,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:55:35,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:55:35,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:55:35,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:55:35,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (1/1) ... [2021-11-12 22:55:35,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:55:35,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:55:35,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:55:35,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:55:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-12 22:55:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-12 22:55:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_ignore_case [2021-11-12 22:55:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_ignore_case [2021-11-12 22:55:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-12 22:55:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-12 22:55:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 22:55:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 22:55:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:55:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 22:55:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 22:55:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:55:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:55:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:55:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:55:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 22:55:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 22:55:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:55:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:55:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 22:55:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 22:55:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:55:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:55:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:55:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:55:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-12 22:55:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-12 22:55:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-12 22:55:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-12 22:55:37,273 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:55:37,273 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 22:55:37,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:55:37 BoogieIcfgContainer [2021-11-12 22:55:37,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:55:37,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:55:37,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:55:37,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:55:37,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:55:32" (1/3) ... [2021-11-12 22:55:37,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f947d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:55:37, skipping insertion in model container [2021-11-12 22:55:37,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:35" (2/3) ... [2021-11-12 22:55:37,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f947d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:55:37, skipping insertion in model container [2021-11-12 22:55:37,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:55:37" (3/3) ... [2021-11-12 22:55:37,284 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_ignore_case_harness.i [2021-11-12 22:55:37,293 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:55:37,294 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:55:37,368 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:55:37,377 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 [2021-11-12 22:55:37,377 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:55:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 66 states have internal predecessors, (83), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-12 22:55:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-12 22:55:37,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:37,415 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:55:37,415 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:55:37,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1420882534, now seen corresponding path program 1 times [2021-11-12 22:55:37,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:37,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489875425] [2021-11-12 22:55:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:55:37,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:37,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:37,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:37,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:55:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:55:37,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 22:55:37,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:55:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-12 22:55:37,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:55:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-12 22:55:38,011 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:55:38,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489875425] [2021-11-12 22:55:38,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489875425] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:55:38,012 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:55:38,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 22:55:38,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949708236] [2021-11-12 22:55:38,014 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:55:38,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 22:55:38,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:55:38,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 22:55:38,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:55:38,058 INFO L87 Difference]: Start difference. First operand has 99 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 66 states have internal predecessors, (83), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-12 22:55:38,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:55:38,091 INFO L93 Difference]: Finished difference Result 193 states and 263 transitions. [2021-11-12 22:55:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 22:55:38,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2021-11-12 22:55:38,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:55:38,113 INFO L225 Difference]: With dead ends: 193 [2021-11-12 22:55:38,113 INFO L226 Difference]: Without dead ends: 94 [2021-11-12 22:55:38,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:55:38,121 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:55:38,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 1.70ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 22:55:38,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-12 22:55:38,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-11-12 22:55:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 62 states have internal predecessors, (75), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-12 22:55:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 120 transitions. [2021-11-12 22:55:38,195 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 120 transitions. Word has length 49 [2021-11-12 22:55:38,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:55:38,197 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 120 transitions. [2021-11-12 22:55:38,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-12 22:55:38,198 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2021-11-12 22:55:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-12 22:55:38,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:38,207 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:55:38,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:55:38,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:55:38,429 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:55:38,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:38,430 INFO L85 PathProgramCache]: Analyzing trace with hash -206021594, now seen corresponding path program 1 times [2021-11-12 22:55:38,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:38,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808033883] [2021-11-12 22:55:38,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:55:38,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:38,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:38,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:55:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:55:38,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 22:55:38,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:55:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-12 22:55:39,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:55:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-12 22:55:39,274 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:55:39,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808033883] [2021-11-12 22:55:39,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808033883] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:55:39,275 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:55:39,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-12 22:55:39,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001750226] [2021-11-12 22:55:39,277 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:55:39,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:55:39,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:55:39,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:55:39,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:55:39,280 INFO L87 Difference]: Start difference. First operand 94 states and 120 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-12 22:55:39,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:55:39,352 INFO L93 Difference]: Finished difference Result 139 states and 183 transitions. [2021-11-12 22:55:39,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:55:39,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 49 [2021-11-12 22:55:39,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:55:39,358 INFO L225 Difference]: With dead ends: 139 [2021-11-12 22:55:39,358 INFO L226 Difference]: Without dead ends: 94 [2021-11-12 22:55:39,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:55:39,360 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 11 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.39ms IncrementalHoareTripleChecker+Time [2021-11-12 22:55:39,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 5.26ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 43.39ms Time] [2021-11-12 22:55:39,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-12 22:55:39,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-11-12 22:55:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 62 states have internal predecessors, (74), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-12 22:55:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2021-11-12 22:55:39,373 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 49 [2021-11-12 22:55:39,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:55:39,373 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-11-12 22:55:39,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-12 22:55:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2021-11-12 22:55:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-12 22:55:39,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:39,377 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:55:39,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:55:39,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:55:39,602 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:55:39,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:39,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1123217906, now seen corresponding path program 1 times [2021-11-12 22:55:39,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:39,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670054931] [2021-11-12 22:55:39,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:55:39,605 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:39,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:39,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:39,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:55:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:55:39,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 22:55:39,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:55:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-12 22:55:40,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:55:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-12 22:55:42,193 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:55:42,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670054931] [2021-11-12 22:55:42,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670054931] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:55:42,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:55:42,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 16 [2021-11-12 22:55:42,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087071502] [2021-11-12 22:55:42,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:55:42,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 22:55:42,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:55:42,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 22:55:42,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-11-12 22:55:42,196 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2021-11-12 22:55:42,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:55:42,577 INFO L93 Difference]: Finished difference Result 127 states and 153 transitions. [2021-11-12 22:55:42,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 22:55:42,577 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 83 [2021-11-12 22:55:42,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:55:42,578 INFO L225 Difference]: With dead ends: 127 [2021-11-12 22:55:42,578 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 22:55:42,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2021-11-12 22:55:42,593 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 11 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.74ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 106.57ms IncrementalHoareTripleChecker+Time [2021-11-12 22:55:42,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 259 Invalid, 68 Unknown, 0 Unchecked, 2.74ms Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 15 Unchecked, 106.57ms Time] [2021-11-12 22:55:42,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 22:55:42,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 22:55:42,595 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) [2021-11-12 22:55:42,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 22:55:42,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-11-12 22:55:42,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:55:42,595 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 22:55:42,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2021-11-12 22:55:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 22:55:42,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 22:55:42,598 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 22:55:42,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:55:42,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:55:42,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-12 22:55:43,003 INFO L854 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) [2021-11-12 22:55:43,004 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6801 6805) no Hoare annotation was computed. [2021-11-12 22:55:43,004 INFO L858 garLoopResultBuilder]: For program point L6811-1(lines 6811 6812) no Hoare annotation was computed. [2021-11-12 22:55:43,004 INFO L854 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-11-12 22:55:43,004 INFO L858 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2021-11-12 22:55:43,004 INFO L858 garLoopResultBuilder]: For program point L6808-1(line 6808) no Hoare annotation was computed. [2021-11-12 22:55:43,004 INFO L854 garLoopResultBuilder]: At program point L6808(line 6808) the Hoare annotation is: (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-11-12 22:55:43,004 INFO L858 garLoopResultBuilder]: For program point L6811-3(line 6811) no Hoare annotation was computed. [2021-11-12 22:55:43,005 INFO L854 garLoopResultBuilder]: At program point L6811-2(line 6811) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) [2021-11-12 22:55:43,005 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-11-12 22:55:43,005 INFO L858 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2021-11-12 22:55:43,005 INFO L854 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-11-12 22:55:43,005 INFO L861 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6801 6805) the Hoare annotation is: true [2021-11-12 22:55:43,005 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-11-12 22:55:43,005 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6801 6805) no Hoare annotation was computed. [2021-11-12 22:55:43,005 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6883 6888) the Hoare annotation is: true [2021-11-12 22:55:43,006 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6883 6888) no Hoare annotation was computed. [2021-11-12 22:55:43,006 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6883 6888) no Hoare annotation was computed. [2021-11-12 22:55:43,006 INFO L858 garLoopResultBuilder]: For program point L6884-1(lines 6884 6886) no Hoare annotation was computed. [2021-11-12 22:55:43,006 INFO L854 garLoopResultBuilder]: At program point L6884(lines 6884 6886) the Hoare annotation is: (= bounded_malloc_~size |bounded_malloc_#in~size|) [2021-11-12 22:55:43,006 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-12 22:55:43,006 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-12 22:55:43,006 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-12 22:55:43,006 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-12 22:55:43,007 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-12 22:55:43,007 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-12 22:55:43,007 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-12 22:55:43,007 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6890 6892) no Hoare annotation was computed. [2021-11-12 22:55:43,007 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6890 6892) no Hoare annotation was computed. [2021-11-12 22:55:43,007 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6890 6892) the Hoare annotation is: true [2021-11-12 22:55:43,007 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6253 6258) the Hoare annotation is: true [2021-11-12 22:55:43,007 INFO L858 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-12 22:55:43,008 INFO L858 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-12 22:55:43,008 INFO L858 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-12 22:55:43,008 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6253 6258) no Hoare annotation was computed. [2021-11-12 22:55:43,008 INFO L858 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-12 22:55:43,008 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6253 6258) no Hoare annotation was computed. [2021-11-12 22:55:43,008 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-12 22:55:43,008 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-12 22:55:43,008 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-12 22:55:43,008 INFO L858 garLoopResultBuilder]: For program point L7455-1(line 7455) no Hoare annotation was computed. [2021-11-12 22:55:43,009 INFO L861 garLoopResultBuilder]: At program point L8925(line 8925) the Hoare annotation is: true [2021-11-12 22:55:43,009 INFO L854 garLoopResultBuilder]: At program point L7455(line 7455) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,009 INFO L854 garLoopResultBuilder]: At program point L7455-2(lines 7437 7456) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,009 INFO L854 garLoopResultBuilder]: At program point L8921(line 8921) the Hoare annotation is: false [2021-11-12 22:55:43,009 INFO L854 garLoopResultBuilder]: At program point L8921-1(line 8921) the Hoare annotation is: false [2021-11-12 22:55:43,009 INFO L858 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2021-11-12 22:55:43,009 INFO L858 garLoopResultBuilder]: For program point L7439(line 7439) no Hoare annotation was computed. [2021-11-12 22:55:43,009 INFO L858 garLoopResultBuilder]: For program point L7439-5(line 7439) no Hoare annotation was computed. [2021-11-12 22:55:43,010 INFO L854 garLoopResultBuilder]: At program point L7439-4(line 7439) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,010 INFO L858 garLoopResultBuilder]: For program point L7439-3(line 7439) no Hoare annotation was computed. [2021-11-12 22:55:43,010 INFO L854 garLoopResultBuilder]: At program point L7439-2(line 7439) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,010 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-12 22:55:43,010 INFO L854 garLoopResultBuilder]: At program point L8922(line 8922) the Hoare annotation is: false [2021-11-12 22:55:43,010 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-12 22:55:43,010 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-12 22:55:43,010 INFO L858 garLoopResultBuilder]: For program point L8918-1(line 8918) no Hoare annotation was computed. [2021-11-12 22:55:43,011 INFO L858 garLoopResultBuilder]: For program point L8922-1(line 8922) no Hoare annotation was computed. [2021-11-12 22:55:43,011 INFO L854 garLoopResultBuilder]: At program point L8918(line 8918) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,011 INFO L854 garLoopResultBuilder]: At program point L7440-2(line 7440) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,011 INFO L858 garLoopResultBuilder]: For program point L7440(line 7440) no Hoare annotation was computed. [2021-11-12 22:55:43,011 INFO L858 garLoopResultBuilder]: For program point L7440-5(line 7440) no Hoare annotation was computed. [2021-11-12 22:55:43,011 INFO L854 garLoopResultBuilder]: At program point L7440-4(line 7440) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,011 INFO L858 garLoopResultBuilder]: For program point L7440-3(line 7440) no Hoare annotation was computed. [2021-11-12 22:55:43,011 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-12 22:55:43,012 INFO L858 garLoopResultBuilder]: For program point L8919(lines 8919 8923) no Hoare annotation was computed. [2021-11-12 22:55:43,012 INFO L858 garLoopResultBuilder]: For program point L7441(lines 7441 7445) no Hoare annotation was computed. [2021-11-12 22:55:43,012 INFO L858 garLoopResultBuilder]: For program point L8911(lines 8911 8924) no Hoare annotation was computed. [2021-11-12 22:55:43,012 INFO L858 garLoopResultBuilder]: For program point L7446(lines 7446 7454) no Hoare annotation was computed. [2021-11-12 22:55:43,012 INFO L854 garLoopResultBuilder]: At program point L8916(line 8916) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,012 INFO L858 garLoopResultBuilder]: For program point L8916-1(lines 8916 8918) no Hoare annotation was computed. [2021-11-12 22:55:43,012 INFO L854 garLoopResultBuilder]: At program point L8916-2(line 8916) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-12 22:55:43,012 INFO L854 garLoopResultBuilder]: At program point L8920(line 8920) the Hoare annotation is: false [2021-11-12 22:55:43,012 INFO L854 garLoopResultBuilder]: At program point L8920-1(line 8920) the Hoare annotation is: false [2021-11-12 22:55:43,013 INFO L858 garLoopResultBuilder]: For program point L8920-2(line 8920) no Hoare annotation was computed. [2021-11-12 22:55:43,013 INFO L858 garLoopResultBuilder]: For program point L8912-3(line 8912) no Hoare annotation was computed. [2021-11-12 22:55:43,013 INFO L858 garLoopResultBuilder]: For program point L8916-7(lines 8916 8918) no Hoare annotation was computed. [2021-11-12 22:55:43,013 INFO L858 garLoopResultBuilder]: For program point L8912-5(lines 8912 8913) no Hoare annotation was computed. [2021-11-12 22:55:43,013 INFO L858 garLoopResultBuilder]: For program point L8916-3(lines 8916 8917) no Hoare annotation was computed. [2021-11-12 22:55:43,013 INFO L861 garLoopResultBuilder]: At program point L8912(line 8912) the Hoare annotation is: true [2021-11-12 22:55:43,013 INFO L858 garLoopResultBuilder]: For program point L8912-1(lines 8912 8913) no Hoare annotation was computed. [2021-11-12 22:55:43,013 INFO L858 garLoopResultBuilder]: For program point L8916-5(lines 8916 8917) no Hoare annotation was computed. [2021-11-12 22:55:43,014 INFO L861 garLoopResultBuilder]: At program point L8912-2(line 8912) the Hoare annotation is: true [2021-11-12 22:55:43,014 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-12 22:55:43,014 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-12 22:55:43,014 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-12 22:55:43,014 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-12 22:55:43,014 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-12 22:55:43,014 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-12 22:55:43,014 INFO L861 garLoopResultBuilder]: At program point aws_array_eq_ignore_caseENTRY(lines 7986 8016) the Hoare annotation is: true [2021-11-12 22:55:43,015 INFO L858 garLoopResultBuilder]: For program point L8005-4(lines 8005 8011) no Hoare annotation was computed. [2021-11-12 22:55:43,015 INFO L858 garLoopResultBuilder]: For program point L7994(lines 7991 8016) no Hoare annotation was computed. [2021-11-12 22:55:43,015 INFO L858 garLoopResultBuilder]: For program point aws_array_eq_ignore_caseFINAL(lines 7986 8016) no Hoare annotation was computed. [2021-11-12 22:55:43,015 INFO L861 garLoopResultBuilder]: At program point L7992-1(line 7992) the Hoare annotation is: true [2021-11-12 22:55:43,015 INFO L861 garLoopResultBuilder]: At program point L7992(line 7992) the Hoare annotation is: true [2021-11-12 22:55:43,015 INFO L858 garLoopResultBuilder]: For program point L8006(lines 8006 8010) no Hoare annotation was computed. [2021-11-12 22:55:43,015 INFO L861 garLoopResultBuilder]: At program point L8005-3(lines 8005 8011) the Hoare annotation is: true [2021-11-12 22:55:43,015 INFO L858 garLoopResultBuilder]: For program point aws_array_eq_ignore_caseEXIT(lines 7986 8016) no Hoare annotation was computed. [2021-11-12 22:55:43,016 INFO L858 garLoopResultBuilder]: For program point L8005-2(lines 8005 8011) no Hoare annotation was computed. [2021-11-12 22:55:43,023 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-12 22:55:43,024 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 22:55:43,035 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 22:55:43,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 22:55:43,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 22:55:43,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 22:55:43,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 10:55:43 BoogieIcfgContainer [2021-11-12 22:55:43,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 22:55:43,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 22:55:43,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 22:55:43,048 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 22:55:43,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:55:37" (3/4) ... [2021-11-12 22:55:43,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 22:55:43,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2021-11-12 22:55:43,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-12 22:55:43,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-12 22:55:43,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-12 22:55:43,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-12 22:55:43,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-12 22:55:43,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq_ignore_case [2021-11-12 22:55:43,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-12 22:55:43,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-11-12 22:55:43,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-12 22:55:43,080 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-12 22:55:43,081 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-12 22:55:43,082 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-12 22:55:43,122 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(9223372036853541257bv64, ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1), 36028797018963967bv64)) [2021-11-12 22:55:43,400 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 22:55:43,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 22:55:43,400 INFO L158 Benchmark]: Toolchain (without parser) took 11254.38ms. Allocated memory was 52.4MB in the beginning and 295.7MB in the end (delta: 243.3MB). Free memory was 30.8MB in the beginning and 230.0MB in the end (delta: -199.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2021-11-12 22:55:43,401 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:55:43,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3416.82ms. Allocated memory was 52.4MB in the beginning and 123.7MB in the end (delta: 71.3MB). Free memory was 30.5MB in the beginning and 53.9MB in the end (delta: -23.3MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2021-11-12 22:55:43,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 178.79ms. Allocated memory is still 123.7MB. Free memory was 53.9MB in the beginning and 44.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 22:55:43,402 INFO L158 Benchmark]: Boogie Preprocessor took 104.49ms. Allocated memory is still 123.7MB. Free memory was 44.9MB in the beginning and 72.6MB in the end (delta: -27.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-12 22:55:43,402 INFO L158 Benchmark]: RCFGBuilder took 1425.36ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 72.6MB in the beginning and 114.1MB in the end (delta: -41.5MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-12 22:55:43,403 INFO L158 Benchmark]: TraceAbstraction took 5768.96ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 104.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 22:55:43,403 INFO L158 Benchmark]: Witness Printer took 352.42ms. Allocated memory was 174.1MB in the beginning and 295.7MB in the end (delta: 121.6MB). Free memory was 104.6MB in the beginning and 230.0MB in the end (delta: -125.4MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2021-11-12 22:55:43,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3416.82ms. Allocated memory was 52.4MB in the beginning and 123.7MB in the end (delta: 71.3MB). Free memory was 30.5MB in the beginning and 53.9MB in the end (delta: -23.3MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 178.79ms. Allocated memory is still 123.7MB. Free memory was 53.9MB in the beginning and 44.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.49ms. Allocated memory is still 123.7MB. Free memory was 44.9MB in the beginning and 72.6MB in the end (delta: -27.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1425.36ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 72.6MB in the beginning and 114.1MB in the end (delta: -41.5MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5768.96ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 104.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 352.42ms. Allocated memory was 174.1MB in the beginning and 295.7MB in the end (delta: 121.6MB). Free memory was 104.6MB in the beginning and 230.0MB in the end (delta: -125.4MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] * 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 149.96ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 746 SdHoareTripleChecker+Invalid, 126.99ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 461 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 285 mSDtfsCounter, 64 mSolverCounterSat, 9.69ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 116 PreInvPairs, 136 NumberOfFragments, 142 HoareAnnotationTreeSize, 116 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 356 ConstructedInterpolants, 10 QuantifiedInterpolants, 773 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1235 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 124/136 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 1 specifications checked. All of them hold - InvariantResult [Line: 7437]: Loop Invariant Derived loop invariant: 0bv64 == str_a && 0bv64 == str_a - InvariantResult [Line: 8925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8005]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6807]: Loop Invariant [2021-11-12 22:55:43,426 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 22:55:43,426 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 22:55:43,426 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 22:55:43,427 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] Derived loop invariant: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(9223372036853541257bv64, ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1), 36028797018963967bv64)) RESULT: Ultimate proved your program to be correct! [2021-11-12 22:55:43,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183c5a6d-c87b-4aad-b63b-2657dfd1ac1c/bin/utaipan-vmNK8stdcF/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