./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh --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 f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:17:23,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:17:24,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 19:17:24,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:17:24,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:17:24,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:17:24,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:17:24,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:17:24,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:17:24,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:17:24,065 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:17:24,066 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:17:24,066 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:17:24,067 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:17:24,067 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:17:24,068 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:17:24,068 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:17:24,069 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:17:24,069 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:17:24,070 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:17:24,070 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:17:24,071 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:17:24,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:17:24,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:17:24,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:17:24,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:17:24,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:17:24,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:17:24,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:17:24,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:17:24,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:17:24,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:17:24,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:17:24,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:17:24,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:17:24,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:17:24,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:17:24,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:17:24,085 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:17:24,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:17:24,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:17:24,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:17:24,086 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:17:24,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:17:24,086 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_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d [2023-12-02 19:17:24,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:17:24,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:17:24,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:17:24,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:17:24,330 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:17:24,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2023-12-02 19:17:27,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:17:27,440 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:17:27,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2023-12-02 19:17:27,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/data/687d9a623/08d42f8290f34d94b2cde93c8d10581f/FLAG24007ace0 [2023-12-02 19:17:27,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/data/687d9a623/08d42f8290f34d94b2cde93c8d10581f [2023-12-02 19:17:27,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:17:27,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:17:27,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:17:27,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:17:27,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:17:27,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:17:27" (1/1) ... [2023-12-02 19:17:27,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2182779f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:27, skipping insertion in model container [2023-12-02 19:17:27,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:17:27" (1/1) ... [2023-12-02 19:17:27,597 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:17:27,834 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_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2023-12-02 19:17:27,843 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_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2023-12-02 19:17:28,700 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:28,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:28,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:28,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:28,704 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:28,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:28,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:28,735 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:28,736 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,078 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 19:17:29,080 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 19:17:29,081 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 19:17:29,082 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 19:17:29,083 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 19:17:29,084 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 19:17:29,084 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 19:17:29,085 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 19:17:29,086 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 19:17:29,086 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 19:17:29,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,322 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:17:29,436 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:17:29,449 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_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2023-12-02 19:17:29,450 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_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2023-12-02 19:17:29,484 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,484 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,484 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,485 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,485 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,491 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,492 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,493 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,493 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,549 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 19:17:29,550 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 19:17:29,550 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 19:17:29,551 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 19:17:29,552 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 19:17:29,552 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 19:17:29,553 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 19:17:29,553 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 19:17:29,553 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 19:17:29,554 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 19:17:29,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2023-12-02 19:17:29,626 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,627 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 19:17:29,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2023-12-02 19:17:29,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:17:29,904 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,905 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,905 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,905 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,905 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,905 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,905 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,905 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,906 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,907 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:17:29,914 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:17:29,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29 WrapperNode [2023-12-02 19:17:29,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:17:29,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:17:29,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:17:29,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:17:29,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,091 INFO L138 Inliner]: procedures = 690, calls = 2631, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 945 [2023-12-02 19:17:30,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:17:30,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:17:30,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:17:30,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:17:30,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:17:30,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:17:30,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:17:30,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:17:30,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (1/1) ... [2023-12-02 19:17:30,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:17:30,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:17:30,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:17:30,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:17:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-12-02 19:17:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-12-02 19:17:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:17:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 19:17:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 19:17:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-12-02 19:17:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-12-02 19:17:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:17:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-02 19:17:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-02 19:17:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 19:17:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 19:17:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 19:17:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:17:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 19:17:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-12-02 19:17:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-12-02 19:17:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:17:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:17:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 19:17:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 19:17:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 19:17:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 19:17:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-12-02 19:17:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-12-02 19:17:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 19:17:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 19:17:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:17:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:17:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-12-02 19:17:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-12-02 19:17:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-12-02 19:17:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-12-02 19:17:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:17:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 19:17:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 19:17:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 19:17:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 19:17:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 19:17:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 19:17:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:17:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:17:30,507 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:17:30,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:17:31,670 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:17:31,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:17:31,930 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-02 19:17:31,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:17:31 BoogieIcfgContainer [2023-12-02 19:17:31,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:17:31,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:17:31,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:17:31,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:17:31,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:17:27" (1/3) ... [2023-12-02 19:17:31,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c86fdcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:17:31, skipping insertion in model container [2023-12-02 19:17:31,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:29" (2/3) ... [2023-12-02 19:17:31,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c86fdcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:17:31, skipping insertion in model container [2023-12-02 19:17:31,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:17:31" (3/3) ... [2023-12-02 19:17:31,940 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness_negated.i [2023-12-02 19:17:31,958 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:17:31,958 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:17:32,009 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:17:32,015 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;@7bcb904a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:17:32,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:17:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 83 states have (on average 1.216867469879518) internal successors, (101), 82 states have internal predecessors, (101), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-02 19:17:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 19:17:32,031 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:17:32,031 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-12-02 19:17:32,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:17:32,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:17:32,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1151301514, now seen corresponding path program 1 times [2023-12-02 19:17:32,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:17:32,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963776117] [2023-12-02 19:17:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:17:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:17:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:17:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 19:17:32,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:17:32,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963776117] [2023-12-02 19:17:32,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963776117] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:17:32,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:17:32,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:17:32,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092007205] [2023-12-02 19:17:32,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:17:32,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:17:32,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:17:32,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:17:32,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:17:32,636 INFO L87 Difference]: Start difference. First operand has 146 states, 83 states have (on average 1.216867469879518) internal successors, (101), 82 states have internal predecessors, (101), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 19:17:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:17:32,791 INFO L93 Difference]: Finished difference Result 269 states and 374 transitions. [2023-12-02 19:17:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:17:32,793 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2023-12-02 19:17:32,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:17:32,803 INFO L225 Difference]: With dead ends: 269 [2023-12-02 19:17:32,803 INFO L226 Difference]: Without dead ends: 143 [2023-12-02 19:17:32,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:17:32,810 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:17:32,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:17:32,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-02 19:17:32,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-12-02 19:17:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 78 states have (on average 1.1538461538461537) internal successors, (90), 79 states have internal predecessors, (90), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-02 19:17:32,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2023-12-02 19:17:32,863 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 57 [2023-12-02 19:17:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:17:32,865 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2023-12-02 19:17:32,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 19:17:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2023-12-02 19:17:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 19:17:32,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:17:32,868 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:17:32,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:17:32,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:17:32,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:17:32,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1117210248, now seen corresponding path program 1 times [2023-12-02 19:17:32,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:17:32,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45167618] [2023-12-02 19:17:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:17:32,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:17:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:17:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 19:17:33,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:17:33,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45167618] [2023-12-02 19:17:33,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45167618] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:17:33,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:17:33,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 19:17:33,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108159511] [2023-12-02 19:17:33,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:17:33,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 19:17:33,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:17:33,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 19:17:33,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:17:33,374 INFO L87 Difference]: Start difference. First operand 143 states and 187 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 19:17:34,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:17:34,276 INFO L93 Difference]: Finished difference Result 192 states and 246 transitions. [2023-12-02 19:17:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:17:34,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 62 [2023-12-02 19:17:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:17:34,280 INFO L225 Difference]: With dead ends: 192 [2023-12-02 19:17:34,280 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 19:17:34,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:17:34,283 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 1 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:17:34,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 828 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 19:17:34,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 19:17:34,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-12-02 19:17:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 74 states have (on average 1.135135135135135) internal successors, (84), 75 states have internal predecessors, (84), 47 states have call successors, (47), 15 states have call predecessors, (47), 15 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 19:17:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2023-12-02 19:17:34,303 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 177 transitions. Word has length 62 [2023-12-02 19:17:34,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:17:34,304 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 177 transitions. [2023-12-02 19:17:34,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 19:17:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 177 transitions. [2023-12-02 19:17:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 19:17:34,306 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:17:34,306 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-12-02 19:17:34,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:17:34,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:17:34,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:17:34,308 INFO L85 PathProgramCache]: Analyzing trace with hash 385822767, now seen corresponding path program 1 times [2023-12-02 19:17:34,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:17:34,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807427766] [2023-12-02 19:17:34,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:17:34,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:17:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:17:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 19:17:35,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:17:35,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807427766] [2023-12-02 19:17:35,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807427766] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:17:35,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:17:35,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:17:35,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455921053] [2023-12-02 19:17:35,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:17:35,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:17:35,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:17:35,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:17:35,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:17:35,070 INFO L87 Difference]: Start difference. First operand 137 states and 177 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 19:17:35,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:17:35,622 INFO L93 Difference]: Finished difference Result 194 states and 247 transitions. [2023-12-02 19:17:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:17:35,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66 [2023-12-02 19:17:35,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:17:35,625 INFO L225 Difference]: With dead ends: 194 [2023-12-02 19:17:35,625 INFO L226 Difference]: Without dead ends: 138 [2023-12-02 19:17:35,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:17:35,628 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 19:17:35,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 472 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 19:17:35,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-02 19:17:35,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2023-12-02 19:17:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 76 states have internal predecessors, (85), 47 states have call successors, (47), 15 states have call predecessors, (47), 15 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 19:17:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2023-12-02 19:17:35,645 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 178 transitions. Word has length 66 [2023-12-02 19:17:35,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:17:35,645 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 178 transitions. [2023-12-02 19:17:35,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 19:17:35,646 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 178 transitions. [2023-12-02 19:17:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 19:17:35,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:17:35,648 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-12-02 19:17:35,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 19:17:35,648 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:17:35,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:17:35,649 INFO L85 PathProgramCache]: Analyzing trace with hash 974364568, now seen corresponding path program 1 times [2023-12-02 19:17:35,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:17:35,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492111083] [2023-12-02 19:17:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:17:35,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:17:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:17:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 19:17:36,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:17:36,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492111083] [2023-12-02 19:17:36,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492111083] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:17:36,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519742018] [2023-12-02 19:17:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:17:36,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:17:36,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:17:36,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:17:36,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f60e4a-d9a1-4c91-b1de-be2f1d9ad86c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:17:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:17:37,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 19:17:37,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:17:37,322 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 15 treesize of output 1 [2023-12-02 19:17:37,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-12-02 19:17:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 19:17:37,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:17:37,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2023-12-02 19:17:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 19:17:38,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519742018] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:17:38,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1930454808] [2023-12-02 19:17:38,108 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2023-12-02 19:17:38,108 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:17:38,112 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:17:38,117 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:17:38,118 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:18:48,880 WARN L293 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 2735 DAG size of output: 2728 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:19:00,157 WARN L293 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 2735 DAG size of output: 2728 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:25:34,385 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 67 for LOIs [2023-12-02 19:25:34,393 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 339 for LOIs [2023-12-02 19:25:37,526 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 2719 for LOIs [2023-12-02 19:25:49,125 INFO L197 IcfgInterpreter]: Interpreting procedure aws_byte_buf_is_valid with input of size 45 for LOIs [2023-12-02 19:25:49,539 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 79 for LOIs [2023-12-02 19:25:49,725 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 2765 for LOIs [2023-12-02 19:29:05,516 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 2796 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:29:12,125 WARN L293 SmtUtils]: Spent 6.59s on a formula simplification that was a NOOP. DAG size: 2796 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 19:30:02,466 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 2778 for LOIs [2023-12-02 19:30:52,983 INFO L180 IcfgInterpreter]: Interpretation finished