./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91 --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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:10,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:10,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:56:10,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:10,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:10,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:10,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:10,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:10,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:10,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:10,334 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:10,335 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:10,335 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:10,337 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:56:10,338 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:10,338 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:10,339 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:56:10,339 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:56:10,340 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:10,340 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:56:10,340 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:56:10,341 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:56:10,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:10,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:10,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:56:10,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:10,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:10,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:10,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:10,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:10,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:10,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:10,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:10,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:10,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:10,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:10,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:10,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:10,349 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:56:10,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:56:10,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:10,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:10,350 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:10,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:10,351 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_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2023-11-24 23:56:10,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:10,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:10,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:10,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:10,654 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:10,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2023-11-24 23:56:13,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:56:14,519 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:56:14,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2023-11-24 23:56:14,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/data/3dc8ac9e2/cae15787e816487793db0a4afdbabd65/FLAG3600c2ff8 [2023-11-24 23:56:14,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/data/3dc8ac9e2/cae15787e816487793db0a4afdbabd65 [2023-11-24 23:56:14,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:56:14,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:56:14,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:14,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:56:14,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:56:14,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:14" (1/1) ... [2023-11-24 23:56:14,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f2c3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:14, skipping insertion in model container [2023-11-24 23:56:14,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:14" (1/1) ... [2023-11-24 23:56:14,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:56:15,056 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_34e00c60-7269-461d-8a87-1858c860d013/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2023-11-24 23:56:15,066 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_34e00c60-7269-461d-8a87-1858c860d013/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2023-11-24 23:56:16,307 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,308 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,309 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,310 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,311 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,354 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,356 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,359 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,368 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:16,968 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:56:16,969 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:56:16,970 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:56:16,971 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:56:16,973 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:56:16,974 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:56:16,975 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:56:16,976 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:56:16,977 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:56:16,978 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:56:17,339 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,340 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:17,548 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:56:17,576 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_34e00c60-7269-461d-8a87-1858c860d013/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2023-11-24 23:56:17,579 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_34e00c60-7269-461d-8a87-1858c860d013/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2023-11-24 23:56:17,620 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,620 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,621 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,621 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,622 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,628 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,636 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,682 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:56:17,683 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:56:17,684 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:56:17,684 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:56:17,685 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:56:17,686 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:56:17,686 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:56:17,687 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:56:17,687 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:56:17,688 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:56:17,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-11-24 23:56:17,757 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,757 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:56:17,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-11-24 23:56:17,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:18,154 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,154 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,155 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,155 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,156 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,156 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,156 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,157 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,157 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,158 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,158 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,158 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,158 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,159 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,159 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,159 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,159 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,160 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:56:18,167 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:56:18,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18 WrapperNode [2023-11-24 23:56:18,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:18,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:18,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:56:18,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:56:18,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,408 INFO L138 Inliner]: procedures = 690, calls = 2671, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 899 [2023-11-24 23:56:18,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:18,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:56:18,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:56:18,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:56:18,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:56:18,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:56:18,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:56:18,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:56:18,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (1/1) ... [2023-11-24 23:56:18,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:18,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:18,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:56:18,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:56:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-24 23:56:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-24 23:56:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:56:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-24 23:56:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-24 23:56:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:56:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:56:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:56:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:56:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:56:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2023-11-24 23:56:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2023-11-24 23:56:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:56:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-24 23:56:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-24 23:56:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2023-11-24 23:56:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2023-11-24 23:56:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:56:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:56:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-24 23:56:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-24 23:56:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-24 23:56:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-24 23:56:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-11-24 23:56:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-11-24 23:56:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:56:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:56:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-24 23:56:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-24 23:56:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:56:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:56:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-11-24 23:56:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-11-24 23:56:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:56:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-24 23:56:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-24 23:56:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-24 23:56:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-24 23:56:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2023-11-24 23:56:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2023-11-24 23:56:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:56:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2023-11-24 23:56:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2023-11-24 23:56:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:56:19,086 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:56:19,089 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:56:20,692 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:56:21,003 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:56:21,003 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:56:21,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:21 BoogieIcfgContainer [2023-11-24 23:56:21,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:56:21,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:56:21,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:56:21,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:56:21,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:56:14" (1/3) ... [2023-11-24 23:56:21,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67061364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:21, skipping insertion in model container [2023-11-24 23:56:21,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:18" (2/3) ... [2023-11-24 23:56:21,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67061364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:21, skipping insertion in model container [2023-11-24 23:56:21,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:21" (3/3) ... [2023-11-24 23:56:21,021 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2023-11-24 23:56:21,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:56:21,042 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:56:21,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:56:21,130 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;@517cd41e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:56:21,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:56:21,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-24 23:56:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-24 23:56:21,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:21,158 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:56:21,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:21,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:21,167 INFO L85 PathProgramCache]: Analyzing trace with hash 776437987, now seen corresponding path program 1 times [2023-11-24 23:56:21,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:56:21,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114380141] [2023-11-24 23:56:21,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:56:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-24 23:56:44,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:56:44,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114380141] [2023-11-24 23:56:44,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114380141] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:56:44,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055554977] [2023-11-24 23:56:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:44,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:56:44,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:44,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:56:44,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34e00c60-7269-461d-8a87-1858c860d013/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:56:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:45,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 2974 conjuncts, 236 conjunts are in the unsatisfiable core [2023-11-24 23:56:45,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:56:45,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 23:56:46,160 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-24 23:56:46,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-24 23:56:46,787 INFO L378 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 19 treesize of output 1 [2023-11-24 23:56:46,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-24 23:56:52,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:56:52,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-24 23:56:52,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14