./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX --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 be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:48:36,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:48:36,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:48:36,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:48:36,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:48:36,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:48:36,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:48:36,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:48:36,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:48:36,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:48:36,681 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:48:36,682 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:48:36,683 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:48:36,685 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:48:36,685 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:48:36,686 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:48:36,686 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:48:36,686 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:48:36,687 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:48:36,687 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:48:36,688 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:48:36,688 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:48:36,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:48:36,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:48:36,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:48:36,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:48:36,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:48:36,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:48:36,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:48:36,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:48:36,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:48:36,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:48:36,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:48:36,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:36,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:48:36,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:48:36,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:48:36,695 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:48:36,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:48:36,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:48:36,696 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:48:36,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:48:36,697 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_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2023-11-12 00:48:36,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:48:36,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:48:36,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:48:36,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:48:36,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:48:36,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2023-11-12 00:48:40,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:48:40,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:48:40,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2023-11-12 00:48:40,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/data/3a9128906/786fddd7a7b349259b05d8fd083503f4/FLAGd793e6678 [2023-11-12 00:48:40,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/data/3a9128906/786fddd7a7b349259b05d8fd083503f4 [2023-11-12 00:48:40,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:48:40,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:48:40,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:40,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:48:40,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:48:40,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:40,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4848f8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40, skipping insertion in model container [2023-11-12 00:48:40,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:40,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:48:41,227 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_fd382b19-9d6e-477d-9a1e-35a2de9b014e/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2023-11-12 00:48:41,236 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_fd382b19-9d6e-477d-9a1e-35a2de9b014e/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2023-11-12 00:48:42,394 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,395 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,396 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,397 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,398 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,413 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,414 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,417 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,417 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,420 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,421 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,422 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,422 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:42,893 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:48:42,899 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:48:42,900 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:48:42,905 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:48:42,907 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:48:42,910 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:48:42,910 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:48:42,911 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:48:42,913 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:48:42,914 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:48:43,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:43,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:48:43,145 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_fd382b19-9d6e-477d-9a1e-35a2de9b014e/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2023-11-12 00:48:43,146 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_fd382b19-9d6e-477d-9a1e-35a2de9b014e/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2023-11-12 00:48:43,196 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,197 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,197 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,198 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,198 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,220 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,221 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,222 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,222 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,224 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,228 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,229 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,230 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:48:43,334 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:48:43,341 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:48:43,344 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:48:43,345 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:48:43,346 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:48:43,347 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:48:43,348 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:48:43,350 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:48:43,361 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:48:43,362 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:48:43,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:43,634 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,634 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,634 WARN L672 CHandler]: The function aws_last_error is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,634 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,635 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,635 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,635 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,635 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,635 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,636 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,636 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,636 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,636 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,636 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,637 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,637 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,637 WARN L672 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:43,645 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:48:43,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43 WrapperNode [2023-11-12 00:48:43,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:43,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:43,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:48:43,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:48:43,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,761 INFO L138 Inliner]: procedures = 678, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 58 [2023-11-12 00:48:43,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:43,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:48:43,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:48:43,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:48:43,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:48:43,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:48:43,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:48:43,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:48:43,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (1/1) ... [2023-11-12 00:48:43,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:43,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:43,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:48:43,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:48:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-12 00:48:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-12 00:48:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 00:48:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 00:48:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:48:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:48:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:48:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:48:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:48:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:48:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:48:43,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:48:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:48:43,923 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:48:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-12 00:48:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-12 00:48:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:48:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:48:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:48:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-12 00:48:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-12 00:48:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-12 00:48:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-12 00:48:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:48:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:48:44,231 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:48:44,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:48:44,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:48:44,535 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:48:44,535 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:48:44,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:44 BoogieIcfgContainer [2023-11-12 00:48:44,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:48:44,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:48:44,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:48:44,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:48:44,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:48:40" (1/3) ... [2023-11-12 00:48:44,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770d0e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:44, skipping insertion in model container [2023-11-12 00:48:44,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:43" (2/3) ... [2023-11-12 00:48:44,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770d0e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:44, skipping insertion in model container [2023-11-12 00:48:44,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:44" (3/3) ... [2023-11-12 00:48:44,548 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2023-11-12 00:48:44,568 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:48:44,568 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:48:44,618 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:48:44,625 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;@5e2403b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:48:44,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:48:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 00:48:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-12 00:48:44,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:44,639 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-12 00:48:44,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:44,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:44,645 INFO L85 PathProgramCache]: Analyzing trace with hash -723115247, now seen corresponding path program 1 times [2023-11-12 00:48:44,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:44,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757350480] [2023-11-12 00:48:44,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:44,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:48:46,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:46,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757350480] [2023-11-12 00:48:46,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757350480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:46,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:46,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-12 00:48:46,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44001826] [2023-11-12 00:48:46,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:46,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 00:48:46,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:46,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 00:48:46,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:48:46,271 INFO L87 Difference]: Start difference. First operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 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 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-12 00:48:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:46,550 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2023-11-12 00:48:46,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 00:48:46,553 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 36 [2023-11-12 00:48:46,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:46,561 INFO L225 Difference]: With dead ends: 61 [2023-11-12 00:48:46,562 INFO L226 Difference]: Without dead ends: 44 [2023-11-12 00:48:46,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-12 00:48:46,569 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 9 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:46,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 306 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:48:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-12 00:48:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-12 00:48:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 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) [2023-11-12 00:48:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2023-11-12 00:48:46,615 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 36 [2023-11-12 00:48:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:46,617 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2023-11-12 00:48:46,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-12 00:48:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-12 00:48:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-12 00:48:46,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:46,620 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:46,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:48:46,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:46,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:46,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1146764134, now seen corresponding path program 1 times [2023-11-12 00:48:46,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:46,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334636654] [2023-11-12 00:48:46,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:46,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:48:47,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:47,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334636654] [2023-11-12 00:48:47,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334636654] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:48:47,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89295096] [2023-11-12 00:48:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:47,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:47,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:47,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:48:47,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:48:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:47,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-12 00:48:47,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:48,071 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-12 00:48:52,607 INFO L322 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2023-11-12 00:48:52,608 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 228 treesize of output 188 [2023-11-12 00:48:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:48:54,536 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:01,064 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:49:01,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89295096] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:01,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1370649552] [2023-11-12 00:49:01,088 INFO L159 IcfgInterpreter]: Started Sifa with 38 locations of interest [2023-11-12 00:49:01,088 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:49:01,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:49:01,099 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:49:01,099 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:49:02,239 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 78 for LOIs [2023-11-12 00:49:02,252 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 117 for LOIs [2023-11-12 00:49:02,803 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2023-11-12 00:49:02,804 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:49:05,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1370649552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:05,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:49:05,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 21, 15] total 48 [2023-11-12 00:49:05,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860656045] [2023-11-12 00:49:05,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:05,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 00:49:05,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:05,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 00:49:05,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2096, Unknown=0, NotChecked=0, Total=2256 [2023-11-12 00:49:05,507 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 10 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-12 00:49:05,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:05,888 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2023-11-12 00:49:05,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 00:49:05,889 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 45 [2023-11-12 00:49:05,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:05,890 INFO L225 Difference]: With dead ends: 46 [2023-11-12 00:49:05,890 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:49:05,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=167, Invalid=2185, Unknown=0, NotChecked=0, Total=2352 [2023-11-12 00:49:05,894 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:05,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:49:05,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:49:05,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:49:05,896 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) [2023-11-12 00:49:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:49:05,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2023-11-12 00:49:05,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:05,897 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:49:05,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-12 00:49:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:49:05,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:49:05,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:49:05,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:49:06,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:49:06,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:49:07,218 INFO L899 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2023-11-12 00:49:07,219 INFO L895 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse2 (select |#memory_$Pointer$.offset| 4)) (.cse0 (select |#memory_$Pointer$.base| 4))) (or (not (= (select |old(#valid)| 2) 1)) (not (= (select .cse0 24) |#funAddr~s_can_fail_calloc_allocator.base|)) (not (= (select |old(#valid)| 1) 1)) (not (= (select .cse1 0) 48)) (not (= (select .cse2 32) 0)) (not (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse0 16))) (not (= (select .cse2 0) |#funAddr~s_can_fail_malloc_allocator.offset|)) (not (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse2 24))) (not (= |~#s_can_fail_allocator_static~0.base| 4)) (not (= (select .cse2 8) |#funAddr~s_can_fail_free_allocator.offset|)) (forall ((v_assume_abort_if_not_~cond_BEFORE_RETURN_2 Int)) (or (not (= v_assume_abort_if_not_~cond_BEFORE_RETURN_2 1)) (< 1234548 (mod (+ |bounded_malloc_#in~size| 1234550) 18446744073709551616)))) (not (= (select .cse1 1) 0)) (not (= (select .cse2 16) |#funAddr~s_can_fail_realloc_allocator.offset|)) (not (= (select |old(#valid)| 3) 1)) (not (= (select .cse0 0) |#funAddr~s_can_fail_malloc_allocator.base|)) (not (= (select |old(#valid)| 4) 1)) (not (= (select .cse0 8) |#funAddr~s_can_fail_free_allocator.base|)) (not (= (select |old(#length)| 3) 12)) (not (= (select |old(#length)| 1) 2)) (not (= (select |old(#length)| 2) 27)) (not (= (select |old(#length)| 4) 40)) (< |#StackHeapBarrier| 1) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= (select |old(#valid)| 0) 0)) (not (= (select .cse0 32) 0)) (not (= |~#s_can_fail_allocator_static~0.offset| 0)))) [2023-11-12 00:49:07,219 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6926 6931) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse2 (select |#memory_$Pointer$.offset| 4)) (.cse0 (select |#memory_$Pointer$.base| 4))) (or (not (= (select |old(#valid)| 2) 1)) (not (= (select .cse0 24) |#funAddr~s_can_fail_calloc_allocator.base|)) (not (= (select |old(#valid)| 1) 1)) (not (= (select .cse1 0) 48)) (not (= (select .cse2 32) 0)) (not (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse0 16))) (not (= (select .cse2 0) |#funAddr~s_can_fail_malloc_allocator.offset|)) (not (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse2 24))) (not (= |~#s_can_fail_allocator_static~0.base| 4)) (not (= (select .cse2 8) |#funAddr~s_can_fail_free_allocator.offset|)) (forall ((v_assume_abort_if_not_~cond_BEFORE_RETURN_2 Int)) (or (not (= v_assume_abort_if_not_~cond_BEFORE_RETURN_2 1)) (< 1234548 (mod (+ |bounded_malloc_#in~size| 1234550) 18446744073709551616)))) (not (= (select .cse1 1) 0)) (not (= (select .cse2 16) |#funAddr~s_can_fail_realloc_allocator.offset|)) (not (= (select |old(#valid)| 3) 1)) (not (= (select .cse0 0) |#funAddr~s_can_fail_malloc_allocator.base|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= (select |old(#valid)| 4) 1)) (not (= (select .cse0 8) |#funAddr~s_can_fail_free_allocator.base|)) (not (= (select |old(#length)| 3) 12)) (not (= (select |old(#length)| 1) 2)) (not (= (select |old(#length)| 2) 27)) (not (= (select |old(#length)| 4) 40)) (< |#StackHeapBarrier| 1) (not (= (select |old(#valid)| 0) 0)) (not (= (select .cse0 32) 0)) (not (= |~#s_can_fail_allocator_static~0.offset| 0)))) [2023-11-12 00:49:07,220 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2023-11-12 00:49:07,220 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-12 00:49:07,220 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-12 00:49:07,220 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2023-11-12 00:49:07,220 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6292 6296) the Hoare annotation is: true [2023-11-12 00:49:07,221 INFO L902 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2023-11-12 00:49:07,221 INFO L902 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: true [2023-11-12 00:49:07,221 INFO L899 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2023-11-12 00:49:07,221 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-12 00:49:07,221 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-12 00:49:07,222 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6933 6935) the Hoare annotation is: true [2023-11-12 00:49:07,222 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2023-11-12 00:49:07,222 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6302 6307) the Hoare annotation is: true [2023-11-12 00:49:07,222 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2023-11-12 00:49:07,222 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-12 00:49:07,223 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-12 00:49:07,223 INFO L895 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| 4)) (.cse2 (select |#memory_int| 1)) (.cse1 (select |#memory_$Pointer$.offset| 4))) (and (= (select .cse0 32) 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= (select .cse0 0) |#funAddr~s_can_fail_malloc_allocator.base|) (= |~#s_can_fail_allocator_static~0.base| 4) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| 1234549) (= |~#s_can_fail_allocator_static~0.offset| 0) (= (select .cse0 24) |#funAddr~s_can_fail_calloc_allocator.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse1 24)) (= (select .cse0 8) |#funAddr~s_can_fail_free_allocator.base|) (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse0 16)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select .cse1 16) |#funAddr~s_can_fail_realloc_allocator.offset|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse2 0) 48) (= 40 (select |#length| 4)) (= (select .cse1 8) |#funAddr~s_can_fail_free_allocator.offset|) (= 27 (select |#length| 2)) (= (select .cse1 32) 0) (= (select .cse2 1) 0) (= (select .cse1 0) |#funAddr~s_can_fail_malloc_allocator.offset|))) [2023-11-12 00:49:07,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:49:07,224 INFO L899 garLoopResultBuilder]: For program point L6854-5(lines 6854 6855) no Hoare annotation was computed. [2023-11-12 00:49:07,224 INFO L899 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2023-11-12 00:49:07,224 INFO L895 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: false [2023-11-12 00:49:07,224 INFO L899 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2023-11-12 00:49:07,224 INFO L895 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: false [2023-11-12 00:49:07,225 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:49:07,225 INFO L899 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2023-11-12 00:49:07,225 INFO L895 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| 4)) (.cse2 (select |#memory_int| 1)) (.cse1 (select |#memory_$Pointer$.offset| 4))) (and (= (select .cse0 32) 0) (= (select |#length| 3) 12) (exists ((v_assume_abort_if_not_~cond_BEFORE_RETURN_2 Int)) (and (<= (mod |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1234548) (= v_assume_abort_if_not_~cond_BEFORE_RETURN_2 1))) (<= 1 |#StackHeapBarrier|) (= (select .cse0 0) |#funAddr~s_can_fail_malloc_allocator.base|) (= |~#s_can_fail_allocator_static~0.base| 4) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| 1234549) (= |~#s_can_fail_allocator_static~0.offset| 0) (= (select .cse0 24) |#funAddr~s_can_fail_calloc_allocator.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse1 24)) (= (select .cse0 8) |#funAddr~s_can_fail_free_allocator.base|) (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse0 16)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select .cse1 16) |#funAddr~s_can_fail_realloc_allocator.offset|) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| |ULTIMATE.start_ensure_string_is_allocated_#in~len#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse2 0) 48) (= 40 (select |#length| 4)) (= (select .cse1 8) |#funAddr~s_can_fail_free_allocator.offset|) (= 27 (select |#length| 2)) (= (select .cse1 32) 0) (= (select .cse2 1) 0) (= |ULTIMATE.start_ensure_string_is_allocated_~len#1| |ULTIMATE.start_ensure_string_is_allocated_#in~len#1|) (= (select .cse1 0) |#funAddr~s_can_fail_malloc_allocator.offset|))) [2023-11-12 00:49:07,225 INFO L895 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: false [2023-11-12 00:49:07,226 INFO L899 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2023-11-12 00:49:07,226 INFO L899 garLoopResultBuilder]: For program point L7262-2(line 7262) no Hoare annotation was computed. [2023-11-12 00:49:07,226 INFO L895 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| 4)) (.cse2 (select |#memory_int| 1)) (.cse1 (select |#memory_$Pointer$.offset| 4))) (and (= (select .cse0 32) 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= (select .cse0 0) |#funAddr~s_can_fail_malloc_allocator.base|) (= |~#s_can_fail_allocator_static~0.base| 4) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| 1234549) (= |~#s_can_fail_allocator_static~0.offset| 0) (= (select .cse0 24) |#funAddr~s_can_fail_calloc_allocator.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse1 24)) (= (select .cse0 8) |#funAddr~s_can_fail_free_allocator.base|) (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse0 16)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select .cse1 16) |#funAddr~s_can_fail_realloc_allocator.offset|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse2 0) 48) (= 40 (select |#length| 4)) (= (select .cse1 8) |#funAddr~s_can_fail_free_allocator.offset|) (= 27 (select |#length| 2)) (= (select .cse1 32) 0) (= (select .cse2 1) 0) (= (select .cse1 0) |#funAddr~s_can_fail_malloc_allocator.offset|))) [2023-11-12 00:49:07,227 INFO L895 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: false [2023-11-12 00:49:07,227 INFO L895 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: false [2023-11-12 00:49:07,227 INFO L899 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2023-11-12 00:49:07,227 INFO L895 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: false [2023-11-12 00:49:07,227 INFO L899 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2023-11-12 00:49:07,228 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-12 00:49:07,228 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-12 00:49:07,228 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-12 00:49:07,228 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-12 00:49:07,228 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-12 00:49:07,229 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-12 00:49:07,232 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 00:49:07,234 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:49:07,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:49:07 BoogieIcfgContainer [2023-11-12 00:49:07,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:49:07,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:49:07,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:49:07,242 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:49:07,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:44" (3/4) ... [2023-11-12 00:49:07,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:49:07,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-12 00:49:07,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-12 00:49:07,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-12 00:49:07,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2023-11-12 00:49:07,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 00:49:07,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 00:49:07,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-12 00:49:07,251 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-11-12 00:49:07,256 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-12 00:49:07,257 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 00:49:07,257 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 00:49:07,258 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:49:07,356 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:49:07,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:49:07,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:49:07,358 INFO L158 Benchmark]: Toolchain (without parser) took 26589.78ms. Allocated memory was 157.3MB in the beginning and 350.2MB in the end (delta: 192.9MB). Free memory was 116.9MB in the beginning and 164.3MB in the end (delta: -47.3MB). Peak memory consumption was 146.3MB. Max. memory is 16.1GB. [2023-11-12 00:49:07,358 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory was 77.5MB in the beginning and 77.5MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:07,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2872.04ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 106.3MB in the end (delta: 10.7MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2023-11-12 00:49:07,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.66ms. Allocated memory is still 157.3MB. Free memory was 106.3MB in the beginning and 101.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:49:07,360 INFO L158 Benchmark]: Boogie Preprocessor took 54.42ms. Allocated memory is still 157.3MB. Free memory was 101.1MB in the beginning and 98.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:07,360 INFO L158 Benchmark]: RCFGBuilder took 720.48ms. Allocated memory is still 157.3MB. Free memory was 98.1MB in the beginning and 71.8MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 00:49:07,361 INFO L158 Benchmark]: TraceAbstraction took 22700.58ms. Allocated memory was 157.3MB in the beginning and 350.2MB in the end (delta: 192.9MB). Free memory was 70.9MB in the beginning and 169.5MB in the end (delta: -98.7MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:07,361 INFO L158 Benchmark]: Witness Printer took 115.28ms. Allocated memory is still 350.2MB. Free memory was 169.5MB in the beginning and 164.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:49:07,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory was 77.5MB in the beginning and 77.5MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2872.04ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 106.3MB in the end (delta: 10.7MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.66ms. Allocated memory is still 157.3MB. Free memory was 106.3MB in the beginning and 101.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.42ms. Allocated memory is still 157.3MB. Free memory was 101.1MB in the beginning and 98.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 720.48ms. Allocated memory is still 157.3MB. Free memory was 98.1MB in the beginning and 71.8MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 22700.58ms. Allocated memory was 157.3MB in the beginning and 350.2MB in the end (delta: 192.9MB). Free memory was 70.9MB in the beginning and 169.5MB in the end (delta: -98.7MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. * Witness Printer took 115.28ms. Allocated memory is still 350.2MB. Free memory was 169.5MB in the beginning and 164.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.6s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 276 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 206 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 38 mSDtfsCounter, 206 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 26 PreInvPairs, 26 NumberOfFragments, 833 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 1662 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 167 ConstructedInterpolants, 8 QuantifiedInterpolants, 2710 SizeOfPredicates, 27 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 30/36 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: OVERALL_TIME: 1.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 17, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME: 0.2s, TOOLS_POST_CALL_APPLICATIONS: 14, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME: 0.6s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME: 1.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 46, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 17, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 395, DAG_COMPRESSION_RETAINED_NODES: 80, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 00:49:07,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd382b19-9d6e-477d-9a1e-35a2de9b014e/bin/utaipan-verify-NcY6lQBIFX/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