./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_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_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/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_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/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_028141b1-4393-4d66-8cb7-d1f0737f7017/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 781bda6fed61385a8a2dfd24d0779b588b4e3a263a6bd1d451e7bf9a103d1f1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:37:58,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:37:58,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 12:37:58,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:37:58,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:37:58,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:37:58,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:37:58,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:37:58,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:37:58,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:37:58,402 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:37:58,402 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:37:58,403 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:37:58,403 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:37:58,404 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:37:58,404 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:37:58,405 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:37:58,405 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:37:58,406 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:37:58,407 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:37:58,407 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:37:58,408 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:37:58,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:37:58,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:37:58,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:37:58,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:37:58,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:37:58,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:37:58,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:37:58,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:37:58,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:37:58,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:37:58,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:37:58,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:37:58,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:37:58,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:37:58,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:37:58,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:37:58,415 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:37:58,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:37:58,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:37:58,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:37:58,416 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:37:58,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:37:58,416 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_028141b1-4393-4d66-8cb7-d1f0737f7017/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781bda6fed61385a8a2dfd24d0779b588b4e3a263a6bd1d451e7bf9a103d1f1e [2023-12-02 12:37:58,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:37:58,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:37:58,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:37:58,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:37:58,674 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:37:58,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness_negated.i [2023-12-02 12:38:01,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:38:01,867 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:38:01,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness_negated.i [2023-12-02 12:38:01,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/data/fab54a838/abfbe2f444ab42a79b6cc73809592fd1/FLAG809fd6bda [2023-12-02 12:38:01,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/data/fab54a838/abfbe2f444ab42a79b6cc73809592fd1 [2023-12-02 12:38:01,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:38:01,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:38:01,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:38:01,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:38:01,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:38:01,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:38:01" (1/1) ... [2023-12-02 12:38:01,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d252db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:01, skipping insertion in model container [2023-12-02 12:38:01,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:38:01" (1/1) ... [2023-12-02 12:38:02,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:38:02,328 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_028141b1-4393-4d66-8cb7-d1f0737f7017/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness_negated.i[4499,4512] [2023-12-02 12:38:02,336 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_028141b1-4393-4d66-8cb7-d1f0737f7017/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness_negated.i[4559,4572] [2023-12-02 12:38:03,207 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,208 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,208 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,209 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,211 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,226 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,227 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,229 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,229 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,630 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 12:38:03,631 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 12:38:03,632 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 12:38:03,633 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 12:38:03,635 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 12:38:03,636 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 12:38:03,636 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 12:38:03,637 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 12:38:03,637 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 12:38:03,638 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 12:38:03,892 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,892 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:03,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:38:04,015 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:38:04,029 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_028141b1-4393-4d66-8cb7-d1f0737f7017/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness_negated.i[4499,4512] [2023-12-02 12:38:04,029 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_028141b1-4393-4d66-8cb7-d1f0737f7017/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness_negated.i[4559,4572] [2023-12-02 12:38:04,063 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,064 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,064 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,065 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,065 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,071 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,072 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,073 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,073 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,104 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 12:38:04,105 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 12:38:04,106 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 12:38:04,107 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 12:38:04,107 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 12:38:04,108 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 12:38:04,108 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 12:38:04,109 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 12:38:04,109 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 12:38:04,110 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 12:38:04,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-12-02 12:38:04,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:38:04,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2023-12-02 12:38:04,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:38:04,459 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,460 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,460 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,460 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,460 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,460 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,460 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,461 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,461 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,461 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,461 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,461 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,461 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,461 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,462 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,462 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,462 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,462 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:38:04,470 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:38:04,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04 WrapperNode [2023-12-02 12:38:04,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:38:04,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:38:04,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:38:04,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:38:04,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,643 INFO L138 Inliner]: procedures = 690, calls = 2648, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1022 [2023-12-02 12:38:04,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:38:04,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:38:04,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:38:04,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:38:04,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:38:04,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:38:04,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:38:04,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:38:04,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (1/1) ... [2023-12-02 12:38:04,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:38:04,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:38:04,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:38:04,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:38:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2023-12-02 12:38:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2023-12-02 12:38:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2023-12-02 12:38:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2023-12-02 12:38:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2023-12-02 12:38:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-12-02 12:38:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-12-02 12:38:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:38:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 12:38:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 12:38:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2023-12-02 12:38:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 12:38:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 12:38:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh64 [2023-12-02 12:38:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh64 [2023-12-02 12:38:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:38:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 12:38:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 12:38:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 12:38:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 12:38:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 12:38:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:38:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:38:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:38:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:38:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 12:38:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 12:38:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 12:38:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 12:38:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 12:38:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 12:38:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-12-02 12:38:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-12-02 12:38:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:38:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:38:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:38:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 12:38:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 12:38:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 12:38:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 12:38:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:38:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2023-12-02 12:38:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2023-12-02 12:38:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2023-12-02 12:38:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:38:05,063 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:38:05,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:38:06,339 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:38:06,702 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:38:06,702 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 12:38:06,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:38:06 BoogieIcfgContainer [2023-12-02 12:38:06,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:38:06,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:38:06,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:38:06,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:38:06,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:38:01" (1/3) ... [2023-12-02 12:38:06,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5f1d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:38:06, skipping insertion in model container [2023-12-02 12:38:06,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:04" (2/3) ... [2023-12-02 12:38:06,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5f1d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:38:06, skipping insertion in model container [2023-12-02 12:38:06,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:38:06" (3/3) ... [2023-12-02 12:38:06,712 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be64_harness_negated.i [2023-12-02 12:38:06,730 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:38:06,730 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:38:06,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:38:06,788 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;@1966abf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:38:06,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:38:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 70 states have internal predecessors, (82), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 12:38:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 12:38:06,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:38:06,806 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 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, 1, 1, 1, 1] [2023-12-02 12:38:06,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:38:06,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:38:06,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2113072510, now seen corresponding path program 1 times [2023-12-02 12:38:06,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:38:06,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192036282] [2023-12-02 12:38:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:06,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:38:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-02 12:38:09,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:38:09,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192036282] [2023-12-02 12:38:09,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192036282] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:38:09,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871322949] [2023-12-02 12:38:09,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:09,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:38:09,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:38:09,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:38:09,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:38:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:10,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 12:38:10,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:38:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-02 12:38:10,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:38:10,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871322949] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:38:10,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 12:38:10,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 11 [2023-12-02 12:38:10,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156624814] [2023-12-02 12:38:10,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:38:10,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 12:38:10,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:38:10,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 12:38:10,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-02 12:38:10,659 INFO L87 Difference]: Start difference. First operand has 134 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 70 states have internal predecessors, (82), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 8 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2023-12-02 12:38:11,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:38:11,901 INFO L93 Difference]: Finished difference Result 255 states and 365 transitions. [2023-12-02 12:38:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 12:38:11,904 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 90 [2023-12-02 12:38:11,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:38:11,913 INFO L225 Difference]: With dead ends: 255 [2023-12-02 12:38:11,913 INFO L226 Difference]: Without dead ends: 132 [2023-12-02 12:38:11,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-02 12:38:11,920 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 2 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:38:11,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1055 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 12:38:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-12-02 12:38:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2023-12-02 12:38:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 68 states have (on average 1.161764705882353) internal successors, (79), 69 states have internal predecessors, (79), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-02 12:38:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 178 transitions. [2023-12-02 12:38:11,969 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 178 transitions. Word has length 90 [2023-12-02 12:38:11,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:38:11,970 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 178 transitions. [2023-12-02 12:38:11,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2023-12-02 12:38:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 178 transitions. [2023-12-02 12:38:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 12:38:11,976 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:38:11,976 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:38:11,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:38:12,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:38:12,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:38:12,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:38:12,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1761049593, now seen corresponding path program 1 times [2023-12-02 12:38:12,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:38:12,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526875206] [2023-12-02 12:38:12,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:12,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:38:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 12:38:14,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:38:14,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526875206] [2023-12-02 12:38:14,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526875206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:38:14,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:38:14,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 12:38:14,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478624728] [2023-12-02 12:38:14,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:38:14,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:38:14,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:38:14,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:38:14,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:38:14,144 INFO L87 Difference]: Start difference. First operand 132 states and 178 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 12:38:14,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:38:14,948 INFO L93 Difference]: Finished difference Result 233 states and 316 transitions. [2023-12-02 12:38:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:38:14,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 98 [2023-12-02 12:38:14,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:38:14,952 INFO L225 Difference]: With dead ends: 233 [2023-12-02 12:38:14,953 INFO L226 Difference]: Without dead ends: 135 [2023-12-02 12:38:14,954 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 12:38:14,955 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 4 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:38:14,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 469 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 12:38:14,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-12-02 12:38:14,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2023-12-02 12:38:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 70 states have (on average 1.1857142857142857) internal successors, (83), 72 states have internal predecessors, (83), 50 states have call successors, (50), 13 states have call predecessors, (50), 14 states have return successors, (50), 49 states have call predecessors, (50), 49 states have call successors, (50) [2023-12-02 12:38:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 183 transitions. [2023-12-02 12:38:14,973 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 183 transitions. Word has length 98 [2023-12-02 12:38:14,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:38:14,974 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 183 transitions. [2023-12-02 12:38:14,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 12:38:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 183 transitions. [2023-12-02 12:38:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 12:38:14,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:38:14,977 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:38:14,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 12:38:14,977 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:38:14,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:38:14,978 INFO L85 PathProgramCache]: Analyzing trace with hash -178264466, now seen corresponding path program 1 times [2023-12-02 12:38:14,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:38:14,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731149519] [2023-12-02 12:38:14,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:14,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:38:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 12:38:17,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:38:17,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731149519] [2023-12-02 12:38:17,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731149519] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:38:17,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624609310] [2023-12-02 12:38:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:17,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:38:17,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:38:17,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:38:17,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 12:38:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:17,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 2969 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:38:17,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:38:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 12:38:17,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:38:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 12:38:17,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624609310] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 12:38:17,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:38:17,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 8 [2023-12-02 12:38:17,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390882007] [2023-12-02 12:38:17,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:38:17,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:38:17,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:38:17,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:38:17,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-02 12:38:17,944 INFO L87 Difference]: Start difference. First operand 135 states and 183 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 12:38:18,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:38:18,480 INFO L93 Difference]: Finished difference Result 242 states and 333 transitions. [2023-12-02 12:38:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:38:18,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 99 [2023-12-02 12:38:18,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:38:18,483 INFO L225 Difference]: With dead ends: 242 [2023-12-02 12:38:18,483 INFO L226 Difference]: Without dead ends: 140 [2023-12-02 12:38:18,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-02 12:38:18,485 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 4 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:38:18,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 467 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 12:38:18,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-12-02 12:38:18,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2023-12-02 12:38:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 50 states have call successors, (50), 14 states have call predecessors, (50), 14 states have return successors, (50), 49 states have call predecessors, (50), 49 states have call successors, (50) [2023-12-02 12:38:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 186 transitions. [2023-12-02 12:38:18,503 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 186 transitions. Word has length 99 [2023-12-02 12:38:18,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:38:18,504 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 186 transitions. [2023-12-02 12:38:18,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 12:38:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 186 transitions. [2023-12-02 12:38:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 12:38:18,518 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:38:18,518 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:38:18,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 12:38:18,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:38:18,719 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:38:18,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:38:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1596362203, now seen corresponding path program 1 times [2023-12-02 12:38:18,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:38:18,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910028898] [2023-12-02 12:38:18,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:18,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:38:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-02 12:38:20,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:38:20,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910028898] [2023-12-02 12:38:20,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910028898] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:38:20,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116345430] [2023-12-02 12:38:20,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:20,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:38:20,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:38:20,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:38:20,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 12:38:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:20,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 2992 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 12:38:20,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:38:21,016 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 8 treesize of output 1 [2023-12-02 12:38:21,020 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 11 treesize of output 7 [2023-12-02 12:38:21,024 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 11 treesize of output 7 [2023-12-02 12:38:22,180 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 12:38:22,180 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 15 treesize of output 7 [2023-12-02 12:38:22,190 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 12:38:22,191 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 15 treesize of output 7 [2023-12-02 12:38:22,310 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 17 treesize of output 9 [2023-12-02 12:38:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-02 12:38:22,351 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:38:22,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116345430] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:38:22,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 12:38:22,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5] total 20 [2023-12-02 12:38:22,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181120599] [2023-12-02 12:38:22,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:38:22,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:38:22,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:38:22,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:38:22,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:38:22,355 INFO L87 Difference]: Start difference. First operand 138 states and 186 transitions. Second operand has 17 states, 9 states have (on average 4.555555555555555) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2023-12-02 12:38:26,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:38:27,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:38:27,833 INFO L93 Difference]: Finished difference Result 260 states and 350 transitions. [2023-12-02 12:38:27,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 12:38:27,833 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 9 states have (on average 4.555555555555555) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 100 [2023-12-02 12:38:27,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:38:27,835 INFO L225 Difference]: With dead ends: 260 [2023-12-02 12:38:27,835 INFO L226 Difference]: Without dead ends: 140 [2023-12-02 12:38:27,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2023-12-02 12:38:27,837 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 55 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:38:27,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 1501 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-02 12:38:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-12-02 12:38:27,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2023-12-02 12:38:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 74 states have (on average 1.162162162162162) internal successors, (86), 75 states have internal predecessors, (86), 50 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 49 states have call predecessors, (50), 49 states have call successors, (50) [2023-12-02 12:38:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 186 transitions. [2023-12-02 12:38:27,849 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 186 transitions. Word has length 100 [2023-12-02 12:38:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:38:27,849 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 186 transitions. [2023-12-02 12:38:27,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 9 states have (on average 4.555555555555555) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2023-12-02 12:38:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 186 transitions. [2023-12-02 12:38:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 12:38:27,851 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:38:27,851 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:38:27,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 12:38:28,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:38:28,052 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:38:28,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:38:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash 629635500, now seen corresponding path program 1 times [2023-12-02 12:38:28,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:38:28,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805410323] [2023-12-02 12:38:28,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:28,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:38:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-12-02 12:38:29,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:38:29,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805410323] [2023-12-02 12:38:29,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805410323] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:38:29,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697983885] [2023-12-02 12:38:29,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:29,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:38:29,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:38:29,166 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:38:29,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028141b1-4393-4d66-8cb7-d1f0737f7017/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 12:38:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:29,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 3027 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-02 12:38:29,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:38:30,186 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 12:38:30,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 12:38:30,855 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 24 treesize of output 20 [2023-12-02 12:38:30,863 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 17 treesize of output 9 [2023-12-02 12:38:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 12:38:30,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:38:31,295 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 9 treesize of output 5 [2023-12-02 12:38:31,355 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 12:38:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-12-02 12:38:31,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697983885] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:38:31,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [951088479] [2023-12-02 12:38:31,645 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2023-12-02 12:38:31,645 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:38:31,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:38:31,651 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:38:31,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:39:53,659 WARN L293 SmtUtils]: Spent 6.75s on a formula simplification. DAG size of input: 2794 DAG size of output: 2792 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 12:40:07,290 WARN L293 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 2794 DAG size of output: 2792 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 12:44:24,744 WARN L293 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 2802 DAG size of output: 2802 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 12:44:40,602 WARN L293 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 2802 DAG size of output: 2802 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 12:45:36,234 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 2765 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:51:14,548 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memcpy with input of size 152 for LOIs [2023-12-02 12:51:14,859 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ntoh64 with input of size 58 for LOIs [2023-12-02 12:51:15,010 INFO L197 IcfgInterpreter]: Interpreting procedure aws_byte_cursor_read with input of size 104 for LOIs [2023-12-02 12:51:28,796 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 189 for LOIs [2023-12-02 12:51:28,811 INFO L197 IcfgInterpreter]: Interpreting procedure aws_hton64 with input of size 58 for LOIs [2023-12-02 12:51:28,897 INFO L197 IcfgInterpreter]: Interpreting procedure aws_is_big_endian with input of size 49 for LOIs [2023-12-02 12:51:28,905 INFO L197 IcfgInterpreter]: Interpreting procedure aws_byte_cursor_is_valid with input of size 47 for LOIs [2023-12-02 12:51:29,246 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 2715 for LOIs