./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --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 704abadf4a8c9a8af61418181b8ae91b3e3da2fe96f0fde7751e748b781a863c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:07,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:07,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:32:07,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:07,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:07,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:07,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:07,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:07,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:07,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:07,548 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:07,549 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:07,550 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:07,552 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:07,552 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:07,552 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:07,553 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:07,553 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:07,554 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:07,554 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:07,554 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:07,555 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:07,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:07,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:07,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:07,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:07,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:07,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:07,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:07,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:07,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:07,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:07,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:07,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:07,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:07,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:07,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:07,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:07,562 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:07,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:07,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:07,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:07,563 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:07,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:07,564 INFO L153 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_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704abadf4a8c9a8af61418181b8ae91b3e3da2fe96f0fde7751e748b781a863c [2023-11-23 21:32:07,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:07,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:07,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:07,858 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:07,858 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:07,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i [2023-11-23 21:32:11,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:11,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:11,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i [2023-11-23 21:32:11,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/data/0c7f41616/0a4dcc45f2f94653a0c9a005014e542e/FLAG6d37f7712 [2023-11-23 21:32:11,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/data/0c7f41616/0a4dcc45f2f94653a0c9a005014e542e [2023-11-23 21:32:11,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:11,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:11,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:11,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:11,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:11,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:11" (1/1) ... [2023-11-23 21:32:11,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7cfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:11, skipping insertion in model container [2023-11-23 21:32:11,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:11" (1/1) ... [2023-11-23 21:32:12,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:12,380 WARN L240 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_a7ea5652-bbdb-4e4f-960a-1846f33683ea/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4500,4513] [2023-11-23 21:32:12,390 WARN L240 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_a7ea5652-bbdb-4e4f-960a-1846f33683ea/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4560,4573] [2023-11-23 21:32:13,694 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:13,696 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:13,697 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:13,698 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:13,700 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:13,721 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:13,726 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:13,731 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:13,734 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,508 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:32:14,516 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:32:14,518 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:32:14,523 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:32:14,532 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:32:14,533 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:32:14,534 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:32:14,536 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:32:14,540 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:32:14,544 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:32:15,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:15,139 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:15,154 WARN L240 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_a7ea5652-bbdb-4e4f-960a-1846f33683ea/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4500,4513] [2023-11-23 21:32:15,155 WARN L240 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_a7ea5652-bbdb-4e4f-960a-1846f33683ea/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4560,4573] [2023-11-23 21:32:15,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,194 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,201 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,201 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,202 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,203 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,241 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:32:15,242 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:32:15,243 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:32:15,244 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:32:15,245 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:32:15,245 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:32:15,246 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:32:15,247 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:32:15,247 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:32:15,248 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:32:15,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2023-11-23 21:32:15,339 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,340 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2023-11-23 21:32:15,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:15,827 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,827 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,828 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,828 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,829 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,830 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,830 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,830 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,831 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,832 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,832 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,832 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,833 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,836 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,836 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,836 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,836 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,836 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:15,846 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:15,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15 WrapperNode [2023-11-23 21:32:15,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:15,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:15,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:15,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:15,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,107 INFO L138 Inliner]: procedures = 689, calls = 2612, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 776 [2023-11-23 21:32:16,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:16,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:16,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:16,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:16,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:16,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:16,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:16,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:16,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:16,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:16,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:16,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:16,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-11-23 21:32:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-11-23 21:32:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:32:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:32:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:32:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:32:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:32:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:32:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:32:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:32:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 21:32:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 21:32:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:16,778 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:16,781 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:18,200 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:18,412 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:18,412 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:32:18,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:18 BoogieIcfgContainer [2023-11-23 21:32:18,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:18,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:18,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:18,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:18,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:11" (1/3) ... [2023-11-23 21:32:18,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c89bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:18, skipping insertion in model container [2023-11-23 21:32:18,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (2/3) ... [2023-11-23 21:32:18,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c89bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:18, skipping insertion in model container [2023-11-23 21:32:18,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:18" (3/3) ... [2023-11-23 21:32:18,423 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_array_harness.i [2023-11-23 21:32:18,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:18,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:18,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:18,503 INFO L357 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=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b120aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:18,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:18,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:32:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:32:18,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:18,518 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:18,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:18,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:18,526 INFO L85 PathProgramCache]: Analyzing trace with hash 776695077, now seen corresponding path program 1 times [2023-11-23 21:32:18,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:18,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968476391] [2023-11-23 21:32:18,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:18,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:32:26,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:26,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968476391] [2023-11-23 21:32:26,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968476391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:26,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:26,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 21:32:26,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896056927] [2023-11-23 21:32:26,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:26,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:32:26,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:26,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:32:26,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:32:26,340 INFO L87 Difference]: Start difference. First operand has 41 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:32:26,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:26,686 INFO L93 Difference]: Finished difference Result 75 states and 94 transitions. [2023-11-23 21:32:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 21:32:26,690 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 20 [2023-11-23 21:32:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:26,698 INFO L225 Difference]: With dead ends: 75 [2023-11-23 21:32:26,698 INFO L226 Difference]: Without dead ends: 41 [2023-11-23 21:32:26,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:32:26,710 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:26,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 322 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:32:26,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-23 21:32:26,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-23 21:32:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 23 states have internal predecessors, (23), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:32:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2023-11-23 21:32:26,759 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 20 [2023-11-23 21:32:26,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:26,760 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2023-11-23 21:32:26,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:32:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2023-11-23 21:32:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 21:32:26,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:26,763 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-23 21:32:26,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:26,763 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:26,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash 922273563, now seen corresponding path program 1 times [2023-11-23 21:32:26,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:26,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805627600] [2023-11-23 21:32:26,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:26,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 21:32:32,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:32,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805627600] [2023-11-23 21:32:32,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805627600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:32,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:32,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 21:32:32,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547845316] [2023-11-23 21:32:32,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:32,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 21:32:32,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:32,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 21:32:32,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:32:32,210 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-23 21:32:32,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:32,631 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2023-11-23 21:32:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:32:32,633 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 29 [2023-11-23 21:32:32,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:32,635 INFO L225 Difference]: With dead ends: 47 [2023-11-23 21:32:32,635 INFO L226 Difference]: Without dead ends: 45 [2023-11-23 21:32:32,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:32:32,638 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 13 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:32,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 252 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:32:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-23 21:32:32,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-23 21:32:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 25 states have (on average 1.04) internal successors, (26), 26 states have internal predecessors, (26), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:32:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2023-11-23 21:32:32,662 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 29 [2023-11-23 21:32:32,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:32,663 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2023-11-23 21:32:32,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-23 21:32:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-23 21:32:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 21:32:32,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:32,668 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 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] [2023-11-23 21:32:32,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:32:32,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:32,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:32,669 INFO L85 PathProgramCache]: Analyzing trace with hash 482716625, now seen corresponding path program 1 times [2023-11-23 21:32:32,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:32,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270817336] [2023-11-23 21:32:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:32,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 21:32:34,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:34,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270817336] [2023-11-23 21:32:34,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270817336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:34,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:34,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 21:32:34,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750310640] [2023-11-23 21:32:34,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:34,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:32:34,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:34,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:32:34,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:32:34,703 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-23 21:32:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:34,948 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2023-11-23 21:32:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:32:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 35 [2023-11-23 21:32:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:34,950 INFO L225 Difference]: With dead ends: 51 [2023-11-23 21:32:34,951 INFO L226 Difference]: Without dead ends: 49 [2023-11-23 21:32:34,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:32:34,953 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:34,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 157 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:32:34,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-23 21:32:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-23 21:32:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 29 states have internal predecessors, (29), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:32:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2023-11-23 21:32:34,965 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 35 [2023-11-23 21:32:34,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:34,966 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2023-11-23 21:32:34,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-23 21:32:34,966 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2023-11-23 21:32:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 21:32:34,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:34,968 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2023-11-23 21:32:34,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:32:34,969 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:34,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1991387377, now seen corresponding path program 1 times [2023-11-23 21:32:34,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:34,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607184126] [2023-11-23 21:32:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 21:32:37,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:37,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607184126] [2023-11-23 21:32:37,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607184126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:37,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:37,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 21:32:37,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292994796] [2023-11-23 21:32:37,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:37,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:32:37,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:37,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:32:37,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:32:37,225 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-23 21:32:37,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:37,659 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2023-11-23 21:32:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 21:32:37,660 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 42 [2023-11-23 21:32:37,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:37,661 INFO L225 Difference]: With dead ends: 55 [2023-11-23 21:32:37,662 INFO L226 Difference]: Without dead ends: 51 [2023-11-23 21:32:37,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:32:37,664 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 14 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:37,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 225 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:32:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-23 21:32:37,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-23 21:32:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.0) internal successors, (30), 30 states have internal predecessors, (30), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:32:37,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2023-11-23 21:32:37,680 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 42 [2023-11-23 21:32:37,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:37,681 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2023-11-23 21:32:37,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-23 21:32:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2023-11-23 21:32:37,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 21:32:37,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:37,684 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 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, 1] [2023-11-23 21:32:37,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:32:37,685 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:37,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:37,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1006857725, now seen corresponding path program 1 times [2023-11-23 21:32:37,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:37,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273464255] [2023-11-23 21:32:37,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 21:32:42,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:42,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273464255] [2023-11-23 21:32:42,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273464255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:42,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:42,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 21:32:42,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743418432] [2023-11-23 21:32:42,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:42,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:32:42,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:42,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:32:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:32:42,145 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-23 21:32:42,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:42,503 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2023-11-23 21:32:42,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 21:32:42,505 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 56 [2023-11-23 21:32:42,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:42,508 INFO L225 Difference]: With dead ends: 51 [2023-11-23 21:32:42,509 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:32:42,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:32:42,511 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 11 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:42,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 223 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:32:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:32:42,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:32:42,516 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) [2023-11-23 21:32:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:32:42,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2023-11-23 21:32:42,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:42,517 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:32:42,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-23 21:32:42,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:32:42,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:32:42,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:42,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:32:42,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:32:42,965 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: true [2023-11-23 21:32:42,965 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2023-11-23 21:32:42,965 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2023-11-23 21:32:42,966 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (= |bounded_malloc_#in~size| bounded_malloc_~size) [2023-11-23 21:32:42,966 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-23 21:32:42,966 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-23 21:32:42,966 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7384 7388) the Hoare annotation is: true [2023-11-23 21:32:42,966 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validEXIT(lines 7384 7388) no Hoare annotation was computed. [2023-11-23 21:32:42,966 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-23 21:32:42,967 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-23 21:32:42,967 INFO L899 garLoopResultBuilder]: For program point L8256-2(line 8256) no Hoare annotation was computed. [2023-11-23 21:32:42,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:32:42,967 INFO L895 garLoopResultBuilder]: At program point L8256-1(line 8256) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1076#1| 1) (= |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) 0)) (not (= .cse0 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) 8) 0))) [2023-11-23 21:32:42,968 INFO L895 garLoopResultBuilder]: At program point L8256(line 8256) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) 0)) (not (= .cse0 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) 8) 0))) [2023-11-23 21:32:42,968 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2023-11-23 21:32:42,968 INFO L899 garLoopResultBuilder]: For program point L8962-1(line 8962) no Hoare annotation was computed. [2023-11-23 21:32:42,968 INFO L899 garLoopResultBuilder]: For program point L8252-1(line 8252) no Hoare annotation was computed. [2023-11-23 21:32:42,968 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2023-11-23 21:32:42,968 INFO L895 garLoopResultBuilder]: At program point L8252(line 8252) the Hoare annotation is: (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|)) [2023-11-23 21:32:42,969 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8) 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 0)) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2023-11-23 21:32:42,969 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:32:42,969 INFO L895 garLoopResultBuilder]: At program point L8969(line 8969) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_#t~mem1217#1|) (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8) 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 0)))) [2023-11-23 21:32:42,969 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2023-11-23 21:32:42,969 INFO L899 garLoopResultBuilder]: For program point L8969-1(line 8969) no Hoare annotation was computed. [2023-11-23 21:32:42,970 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8) 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 0)) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2023-11-23 21:32:42,970 INFO L899 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2023-11-23 21:32:42,970 INFO L899 garLoopResultBuilder]: For program point L8970(lines 8970 8972) no Hoare annotation was computed. [2023-11-23 21:32:42,970 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8) 0) (= |ULTIMATE.start_assert_bytes_match_#t~mem594#1| |ULTIMATE.start_assert_bytes_match_#t~mem593#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 0)) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2023-11-23 21:32:42,970 INFO L902 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2023-11-23 21:32:42,971 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8) 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 0)) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2023-11-23 21:32:42,971 INFO L895 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8) 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 0)))) [2023-11-23 21:32:42,971 INFO L899 garLoopResultBuilder]: For program point L8970-2(lines 8970 8972) no Hoare annotation was computed. [2023-11-23 21:32:42,971 INFO L895 garLoopResultBuilder]: At program point L8968-1(line 8968) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= .cse0 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_#t~ret1216#1| 1) (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 8) 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) 0)))) [2023-11-23 21:32:42,971 INFO L899 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2023-11-23 21:32:42,973 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2023-11-23 21:32:42,973 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-23 21:32:42,973 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-23 21:32:42,973 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-23 21:32:42,973 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-23 21:32:42,974 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-23 21:32:42,974 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-23 21:32:42,977 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-23 21:32:42,979 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:42,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:42 BoogieIcfgContainer [2023-11-23 21:32:42,985 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:42,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:42,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:42,986 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:42,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:18" (3/4) ... [2023-11-23 21:32:42,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:32:42,993 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-23 21:32:42,993 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_cursor_is_valid [2023-11-23 21:32:42,994 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-23 21:32:42,994 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 21:32:42,994 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:32:43,018 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2023-11-23 21:32:43,020 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-11-23 21:32:43,022 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-23 21:32:43,024 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 21:32:43,026 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 21:32:43,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:32:43,030 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:32:43,032 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:32:44,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:32:44,037 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:32:44,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:44,039 INFO L158 Benchmark]: Toolchain (without parser) took 32206.64ms. Allocated memory was 176.2MB in the beginning and 790.6MB in the end (delta: 614.5MB). Free memory was 127.9MB in the beginning and 341.7MB in the end (delta: -213.8MB). Peak memory consumption was 399.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:44,040 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 113.2MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:44,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4009.59ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 78.9MB in the end (delta: 49.1MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2023-11-23 21:32:44,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 259.17ms. Allocated memory is still 176.2MB. Free memory was 78.9MB in the beginning and 67.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:32:44,041 INFO L158 Benchmark]: Boogie Preprocessor took 107.54ms. Allocated memory is still 176.2MB. Free memory was 67.5MB in the beginning and 61.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:44,042 INFO L158 Benchmark]: RCFGBuilder took 2197.04ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 61.2MB in the beginning and 137.7MB in the end (delta: -76.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:44,042 INFO L158 Benchmark]: TraceAbstraction took 24568.35ms. Allocated memory was 243.3MB in the beginning and 790.6MB in the end (delta: 547.4MB). Free memory was 137.7MB in the beginning and 472.8MB in the end (delta: -335.1MB). Peak memory consumption was 213.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:44,046 INFO L158 Benchmark]: Witness Printer took 1052.13ms. Allocated memory is still 790.6MB. Free memory was 472.8MB in the beginning and 341.7MB in the end (delta: 131.1MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2023-11-23 21:32:44,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 113.2MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4009.59ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 78.9MB in the end (delta: 49.1MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 259.17ms. Allocated memory is still 176.2MB. Free memory was 78.9MB in the beginning and 67.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.54ms. Allocated memory is still 176.2MB. Free memory was 67.5MB in the beginning and 61.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2197.04ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 61.2MB in the beginning and 137.7MB in the end (delta: -76.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 24568.35ms. Allocated memory was 243.3MB in the beginning and 790.6MB in the end (delta: 547.4MB). Free memory was 137.7MB in the beginning and 472.8MB in the end (delta: -335.1MB). Peak memory consumption was 213.3MB. Max. memory is 16.1GB. * Witness Printer took 1052.13ms. Allocated memory is still 790.6MB. Free memory was 472.8MB in the beginning and 341.7MB in the end (delta: 131.1MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8269]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] - GenericResultAtLocation [Line: 8755]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] * 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]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.5s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 1179 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1026 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 879 IncrementalHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 153 mSDtfsCounter, 879 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=4, InterpolantAutomatonStates: 53, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 31 PreInvPairs, 38 NumberOfFragments, 489 HoareAnnotationTreeSize, 31 FomulaSimplifications, 76 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 891 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 82/82 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 RESULT: Ultimate proved your program to be correct! [2023-11-23 21:32:44,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ea5652-bbdb-4e4f-960a-1846f33683ea/bin/utaipan-verify-mE87zJ7Ire/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