./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/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_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/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_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/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 2e74061603d1466b037b305bab04ccfaa41041189a61fef40533e07a2fdf1d25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:10:55,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:10:55,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 20:10:55,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:10:55,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:10:55,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:10:55,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:10:55,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:10:55,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:10:55,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:10:55,641 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:10:55,641 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:10:55,642 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:10:55,642 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 20:10:55,643 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:10:55,643 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:10:55,644 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 20:10:55,644 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 20:10:55,645 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:10:55,646 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 20:10:55,646 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 20:10:55,647 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 20:10:55,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:10:55,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:10:55,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:10:55,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:10:55,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:10:55,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:10:55,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:10:55,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:10:55,651 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:10:55,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:10:55,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:10:55,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:10:55,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:10:55,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:10:55,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:10:55,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:10:55,653 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 20:10:55,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:10:55,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:10:55,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:10:55,654 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:10:55,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:10:55,655 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_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e74061603d1466b037b305bab04ccfaa41041189a61fef40533e07a2fdf1d25 [2023-12-02 20:10:55,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:10:55,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:10:55,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:10:55,891 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:10:55,892 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:10:55,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2023-12-02 20:10:58,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:10:59,079 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:10:59,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2023-12-02 20:10:59,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/data/c7056e911/9bc62e0a65c2489ea27e128d64d8ed4d/FLAG4fb129ca5 [2023-12-02 20:10:59,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/data/c7056e911/9bc62e0a65c2489ea27e128d64d8ed4d [2023-12-02 20:10:59,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:10:59,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:10:59,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:10:59,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:10:59,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:10:59,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:59" (1/1) ... [2023-12-02 20:10:59,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40145651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:59, skipping insertion in model container [2023-12-02 20:10:59,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:59" (1/1) ... [2023-12-02 20:10:59,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:10:59,536 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_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2023-12-02 20:10:59,545 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_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2023-12-02 20:11:00,265 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,266 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,266 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,267 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,269 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,281 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,281 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,283 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,283 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,641 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 20:11:00,642 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 20:11:00,643 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 20:11:00,645 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 20:11:00,646 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 20:11:00,647 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 20:11:00,648 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 20:11:00,649 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 20:11:00,649 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 20:11:00,650 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 20:11:00,906 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,907 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:00,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:11:01,022 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:11:01,037 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_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2023-12-02 20:11:01,038 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_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2023-12-02 20:11:01,107 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,108 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,108 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,109 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,109 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,116 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,116 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,117 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,118 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,154 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 20:11:01,155 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 20:11:01,156 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 20:11:01,157 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 20:11:01,158 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 20:11:01,158 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 20:11:01,159 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 20:11:01,159 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 20:11:01,159 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 20:11:01,160 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 20:11:01,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2023-12-02 20:11:01,236 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,237 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 20:11:01,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2023-12-02 20:11:01,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:11:01,497 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,497 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,498 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,498 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,498 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,498 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,498 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,498 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,498 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,498 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,499 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,499 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,499 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,499 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,499 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,499 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,499 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,499 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:01,507 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:11:01,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01 WrapperNode [2023-12-02 20:11:01,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:11:01,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:11:01,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:11:01,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:11:01,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,693 INFO L138 Inliner]: procedures = 689, calls = 2617, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 789 [2023-12-02 20:11:01,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:11:01,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:11:01,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:11:01,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:11:01,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:11:01,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:11:01,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:11:01,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:11:01,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (1/1) ... [2023-12-02 20:11:01,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:11:01,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:11:01,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:11:01,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:11:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-12-02 20:11:01,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-12-02 20:11:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:11:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:11:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 20:11:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 20:11:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:11:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:11:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:11:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:11:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:11:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 20:11:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 20:11:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 20:11:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 20:11:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:11:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:11:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 20:11:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 20:11:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 20:11:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:11:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:11:02,094 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:11:02,097 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:11:03,210 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:11:03,448 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:11:03,448 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:11:03,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:03 BoogieIcfgContainer [2023-12-02 20:11:03,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:11:03,452 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:11:03,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:11:03,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:11:03,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:10:59" (1/3) ... [2023-12-02 20:11:03,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d22f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:03, skipping insertion in model container [2023-12-02 20:11:03,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:01" (2/3) ... [2023-12-02 20:11:03,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d22f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:03, skipping insertion in model container [2023-12-02 20:11:03,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:03" (3/3) ... [2023-12-02 20:11:03,458 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_empty_array_harness.i [2023-12-02 20:11:03,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:11:03,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:11:03,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:11:03,532 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;@621fffd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:11:03,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:11:03,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 20:11:03,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 20:11:03,543 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:03,544 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:03,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:11:03,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:03,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1774844414, now seen corresponding path program 1 times [2023-12-02 20:11:03,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:03,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404929394] [2023-12-02 20:11:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:03,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:11:10,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:10,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404929394] [2023-12-02 20:11:10,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404929394] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:10,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:10,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 20:11:10,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511437352] [2023-12-02 20:11:10,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:10,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 20:11:10,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:10,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 20:11:10,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-02 20:11:10,757 INFO L87 Difference]: Start difference. First operand has 45 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 20:11:11,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:11,164 INFO L93 Difference]: Finished difference Result 83 states and 108 transitions. [2023-12-02 20:11:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:11:11,167 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 20 [2023-12-02 20:11:11,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:11,173 INFO L225 Difference]: With dead ends: 83 [2023-12-02 20:11:11,173 INFO L226 Difference]: Without dead ends: 45 [2023-12-02 20:11:11,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-12-02 20:11:11,180 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:11,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 372 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 20:11:11,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-12-02 20:11:11,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-12-02 20:11:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 25 states have internal predecessors, (25), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 20:11:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2023-12-02 20:11:11,216 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 20 [2023-12-02 20:11:11,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:11,217 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2023-12-02 20:11:11,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 20:11:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-12-02 20:11:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 20:11:11,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:11,219 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:11,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:11:11,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:11:11,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:11,221 INFO L85 PathProgramCache]: Analyzing trace with hash -386167894, now seen corresponding path program 1 times [2023-12-02 20:11:11,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:11,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500069849] [2023-12-02 20:11:11,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:11,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:11:18,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:18,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500069849] [2023-12-02 20:11:18,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500069849] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:18,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:18,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-02 20:11:18,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465970325] [2023-12-02 20:11:18,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:18,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:11:18,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:18,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:11:18,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-12-02 20:11:18,491 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 13 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 7 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 20:11:19,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:19,004 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2023-12-02 20:11:19,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:11:19,005 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 7 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 29 [2023-12-02 20:11:19,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:19,006 INFO L225 Difference]: With dead ends: 51 [2023-12-02 20:11:19,007 INFO L226 Difference]: Without dead ends: 49 [2023-12-02 20:11:19,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-12-02 20:11:19,009 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 15 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:19,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 270 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 20:11:19,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-02 20:11:19,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-02 20:11:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 20:11:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2023-12-02 20:11:19,024 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 29 [2023-12-02 20:11:19,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:19,025 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2023-12-02 20:11:19,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 7 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 20:11:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-12-02 20:11:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 20:11:19,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:19,026 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:19,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:11:19,027 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:11:19,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:19,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1228570148, now seen corresponding path program 1 times [2023-12-02 20:11:19,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:19,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263649312] [2023-12-02 20:11:19,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:19,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 20:11:19,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:19,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263649312] [2023-12-02 20:11:19,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263649312] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:19,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:19,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 20:11:19,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814891364] [2023-12-02 20:11:19,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:19,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 20:11:19,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:19,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 20:11:19,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 20:11:19,986 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-02 20:11:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:20,164 INFO L93 Difference]: Finished difference Result 55 states and 60 transitions. [2023-12-02 20:11:20,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:11:20,165 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 35 [2023-12-02 20:11:20,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:20,167 INFO L225 Difference]: With dead ends: 55 [2023-12-02 20:11:20,167 INFO L226 Difference]: Without dead ends: 53 [2023-12-02 20:11:20,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-02 20:11:20,168 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 13 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:20,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 163 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 20:11:20,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-02 20:11:20,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-12-02 20:11:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 31 states have internal predecessors, (31), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 20:11:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2023-12-02 20:11:20,184 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 35 [2023-12-02 20:11:20,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:20,184 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2023-12-02 20:11:20,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-02 20:11:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-12-02 20:11:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 20:11:20,186 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:20,186 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:20,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:11:20,187 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:11:20,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:20,187 INFO L85 PathProgramCache]: Analyzing trace with hash -549629044, now seen corresponding path program 1 times [2023-12-02 20:11:20,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:20,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484131015] [2023-12-02 20:11:20,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:20,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 20:11:21,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:21,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484131015] [2023-12-02 20:11:21,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484131015] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:21,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:21,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 20:11:21,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090893468] [2023-12-02 20:11:21,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:21,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 20:11:21,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:21,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 20:11:21,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-02 20:11:21,453 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 6 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-12-02 20:11:21,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:21,715 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2023-12-02 20:11:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:11:21,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 6 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 41 [2023-12-02 20:11:21,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:21,717 INFO L225 Difference]: With dead ends: 59 [2023-12-02 20:11:21,718 INFO L226 Difference]: Without dead ends: 57 [2023-12-02 20:11:21,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:11:21,719 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 14 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:21,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 196 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 20:11:21,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-12-02 20:11:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-12-02 20:11:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 34 states have internal predecessors, (34), 14 states have call successors, (14), 9 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 20:11:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2023-12-02 20:11:21,734 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 41 [2023-12-02 20:11:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:21,734 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2023-12-02 20:11:21,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 6 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-12-02 20:11:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2023-12-02 20:11:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 20:11:21,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:21,736 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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] [2023-12-02 20:11:21,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 20:11:21,736 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:11:21,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:21,737 INFO L85 PathProgramCache]: Analyzing trace with hash -358356422, now seen corresponding path program 1 times [2023-12-02 20:11:21,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:21,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076144922] [2023-12-02 20:11:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:21,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:22,631 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 20:11:22,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:22,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076144922] [2023-12-02 20:11:22,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076144922] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:22,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:22,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 20:11:22,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828946135] [2023-12-02 20:11:22,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:22,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 20:11:22,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:22,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 20:11:22,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 20:11:22,634 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 4 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-02 20:11:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:22,844 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2023-12-02 20:11:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:11:22,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 4 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 47 [2023-12-02 20:11:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:22,846 INFO L225 Difference]: With dead ends: 63 [2023-12-02 20:11:22,846 INFO L226 Difference]: Without dead ends: 61 [2023-12-02 20:11:22,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-02 20:11:22,848 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 11 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:22,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 168 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 20:11:22,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-02 20:11:22,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-02 20:11:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 37 states have internal predecessors, (37), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 20:11:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2023-12-02 20:11:22,864 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 47 [2023-12-02 20:11:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:22,865 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2023-12-02 20:11:22,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 4 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-02 20:11:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-02 20:11:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 20:11:22,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:22,867 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 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] [2023-12-02 20:11:22,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 20:11:22,868 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:11:22,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:22,868 INFO L85 PathProgramCache]: Analyzing trace with hash -713981864, now seen corresponding path program 1 times [2023-12-02 20:11:22,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:22,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910636809] [2023-12-02 20:11:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:22,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 20:11:23,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:23,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910636809] [2023-12-02 20:11:23,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910636809] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:23,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:23,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 20:11:23,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318132652] [2023-12-02 20:11:23,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:23,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 20:11:23,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:23,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 20:11:23,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-02 20:11:23,937 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 20:11:24,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:24,114 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2023-12-02 20:11:24,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:11:24,115 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 54 [2023-12-02 20:11:24,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:24,116 INFO L225 Difference]: With dead ends: 67 [2023-12-02 20:11:24,116 INFO L226 Difference]: Without dead ends: 63 [2023-12-02 20:11:24,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-02 20:11:24,117 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 12 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:24,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 264 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 20:11:24,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-02 20:11:24,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-12-02 20:11:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.0) internal successors, (38), 38 states have internal predecessors, (38), 14 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 20:11:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2023-12-02 20:11:24,130 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 54 [2023-12-02 20:11:24,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:24,130 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2023-12-02 20:11:24,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 20:11:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2023-12-02 20:11:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 20:11:24,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:24,132 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:24,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 20:11:24,132 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:11:24,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:24,133 INFO L85 PathProgramCache]: Analyzing trace with hash -732580615, now seen corresponding path program 1 times [2023-12-02 20:11:24,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:24,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525259639] [2023-12-02 20:11:24,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:24,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 20:11:26,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:26,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525259639] [2023-12-02 20:11:26,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525259639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:26,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:26,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 20:11:26,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032446788] [2023-12-02 20:11:26,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:26,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:11:26,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:26,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:11:26,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:11:26,701 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand has 12 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2023-12-02 20:11:27,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:27,093 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2023-12-02 20:11:27,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:11:27,093 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 68 [2023-12-02 20:11:27,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:27,094 INFO L225 Difference]: With dead ends: 63 [2023-12-02 20:11:27,094 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 20:11:27,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-12-02 20:11:27,096 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 15 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:27,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 261 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 20:11:27,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 20:11:27,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 20:11:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 20:11:27,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2023-12-02 20:11:27,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:27,097 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 20:11:27,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2023-12-02 20:11:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 20:11:27,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 20:11:27,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 20:11:27,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 20:11:27,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 20:11:27,856 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: true [2023-12-02 20:11:27,856 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2023-12-02 20:11:27,856 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2023-12-02 20:11:27,857 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (= |bounded_malloc_#in~size| bounded_malloc_~size) [2023-12-02 20:11:27,857 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7375 7381) the Hoare annotation is: true [2023-12-02 20:11:27,857 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7375 7381) no Hoare annotation was computed. [2023-12-02 20:11:27,857 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-12-02 20:11:27,857 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-12-02 20:11:27,857 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-12-02 20:11:27,857 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-12-02 20:11:27,857 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 20:11:27,857 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2023-12-02 20:11:27,857 INFO L899 garLoopResultBuilder]: For program point L8219-1(line 8219) no Hoare annotation was computed. [2023-12-02 20:11:27,858 INFO L895 garLoopResultBuilder]: At program point L8219(line 8219) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0)) [2023-12-02 20:11:27,858 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2023-12-02 20:11:27,858 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse4 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse6 (= (select .cse4 8) 0)) (.cse7 (select .cse0 8)) (.cse5 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse2 (select .cse5 16)) (.cse1 (= .cse7 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) (.cse3 (and (= .cse7 0) .cse6))) (and (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= (select .cse0 24) 0) (or .cse1 (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1220#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1220#1.base| 0))) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (or (< .cse2 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616)))) .cse3) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse2) (= (select .cse4 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse5 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) .cse1 .cse6) .cse3) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,858 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 20:11:27,859 INFO L895 garLoopResultBuilder]: At program point L8230(line 8230) the Hoare annotation is: (let ((.cse4 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|)) (.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|))) (let ((.cse5 (= (select .cse0 8) 0)) (.cse6 (select .cse4 8)) (.cse1 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|))) (let ((.cse2 (select .cse1 16)) (.cse3 (and .cse5 (= .cse6 0)))) (and (= (select .cse0 24) 0) (= (select .cse1 0) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base| 0)) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (= .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (or .cse3 (< .cse2 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616))))) (= (select .cse4 24) 0) (or .cse3 (and .cse5 (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|))) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,859 INFO L902 garLoopResultBuilder]: At program point L8963(line 8963) the Hoare annotation is: true [2023-12-02 20:11:27,859 INFO L899 garLoopResultBuilder]: For program point L8963-1(line 8963) no Hoare annotation was computed. [2023-12-02 20:11:27,860 INFO L895 garLoopResultBuilder]: At program point L8969(lines 8969 8971) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse5 (select .cse0 8)) (.cse6 (= (select .cse3 8) 0)) (.cse4 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse4 16)) (.cse2 (and (= .cse5 0) .cse6))) (and (= (select .cse0 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (or (< .cse1 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1219#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse1) (= (select .cse3 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse4 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse5 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) .cse6) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1219#1.base| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,860 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2023-12-02 20:11:27,860 INFO L899 garLoopResultBuilder]: For program point L8969-1(lines 8969 8971) no Hoare annotation was computed. [2023-12-02 20:11:27,860 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse4 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse6 (= (select .cse4 8) 0)) (.cse7 (select .cse0 8)) (.cse5 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse2 (select .cse5 16)) (.cse1 (= .cse7 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) (.cse3 (and (= .cse7 0) .cse6))) (and (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= (select .cse0 24) 0) (or .cse1 (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1220#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1220#1.base| 0))) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (or (< .cse2 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616)))) .cse3) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse2) (= (select .cse4 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse5 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) .cse1 .cse6) .cse3) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,860 INFO L899 garLoopResultBuilder]: For program point L8230-2(line 8230) no Hoare annotation was computed. [2023-12-02 20:11:27,861 INFO L895 garLoopResultBuilder]: At program point L8967(line 8967) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse5 (select .cse0 8)) (.cse6 (= (select .cse3 8) 0)) (.cse4 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse4 16)) (.cse2 (and (= .cse5 0) .cse6))) (and (= (select .cse0 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1217#1| 0) (or (< .cse1 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse1) (= (select .cse3 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse4 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse5 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) .cse6) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,861 INFO L895 garLoopResultBuilder]: At program point L8230-1(line 8230) the Hoare annotation is: (let ((.cse4 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|)) (.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|))) (let ((.cse5 (= (select .cse0 8) 0)) (.cse6 (select .cse4 8)) (.cse1 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|))) (let ((.cse2 (select .cse1 16)) (.cse3 (and .cse5 (= .cse6 0)))) (and (= (select .cse0 24) 0) (= (select .cse1 0) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base| 0)) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (= .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (or .cse3 (< .cse2 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616))))) (= (select .cse4 24) 0) (or .cse3 (and .cse5 (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|))) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#t~ret1060#1| 1) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,861 INFO L899 garLoopResultBuilder]: For program point L8967-1(line 8967) no Hoare annotation was computed. [2023-12-02 20:11:27,861 INFO L899 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2023-12-02 20:11:27,861 INFO L899 garLoopResultBuilder]: For program point L8972(lines 8972 8974) no Hoare annotation was computed. [2023-12-02 20:11:27,861 INFO L899 garLoopResultBuilder]: For program point L8972-2(lines 8972 8974) no Hoare annotation was computed. [2023-12-02 20:11:27,862 INFO L895 garLoopResultBuilder]: At program point L8966-1(line 8966) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse5 (select .cse0 8)) (.cse6 (= (select .cse3 8) 0)) (.cse4 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse4 16)) (.cse2 (and (= .cse5 0) .cse6))) (and (= (select .cse0 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (or (< .cse1 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse1) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~ret1216#1| 1) (= (select .cse3 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse4 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse5 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) .cse6) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,862 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse4 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse6 (= (select .cse4 8) 0)) (.cse7 (select .cse0 8)) (.cse5 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse2 (select .cse5 16)) (.cse1 (= .cse7 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) (.cse3 (and (= .cse7 0) .cse6))) (and (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= (select .cse0 24) 0) (or .cse1 (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1220#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1220#1.base| 0))) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (or (< .cse2 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616)))) .cse3) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse2) (= (select .cse4 24) 0) (= |ULTIMATE.start_assert_bytes_match_#t~mem594#1| |ULTIMATE.start_assert_bytes_match_#t~mem593#1|) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse5 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) .cse1 .cse6) .cse3) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,862 INFO L899 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2023-12-02 20:11:27,863 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse4 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse6 (= (select .cse4 8) 0)) (.cse7 (select .cse0 8)) (.cse5 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse2 (select .cse5 16)) (.cse1 (= .cse7 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) (.cse3 (and (= .cse7 0) .cse6))) (and (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= (select .cse0 24) 0) (or .cse1 (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1220#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1220#1.base| 0))) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (or (< .cse2 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616)))) .cse3) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse2) (= (select .cse4 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse5 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) .cse1 .cse6) .cse3) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,863 INFO L895 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse5 (select .cse0 8)) (.cse6 (= (select .cse3 8) 0)) (.cse4 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse4 16)) (.cse2 (and (= .cse5 0) .cse6))) (and (= (select .cse0 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (or (< .cse1 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse1) (= (select .cse3 24) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1218#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse4 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse5 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) .cse6) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,863 INFO L899 garLoopResultBuilder]: For program point L8968-1(line 8968) no Hoare annotation was computed. [2023-12-02 20:11:27,863 INFO L895 garLoopResultBuilder]: At program point L8966(line 8966) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse5 (select .cse0 8)) (.cse6 (= (select .cse3 8) 0)) (.cse4 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse4 16)) (.cse2 (and (= .cse5 0) .cse6))) (and (= (select .cse0 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base| 0)) (or (< .cse1 (+ 18446744073709551616 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1| .cse1) (= (select .cse3 24) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= (select .cse4 0) 0) (or (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse5 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) .cse6) .cse2) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2023-12-02 20:11:27,864 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2023-12-02 20:11:27,864 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-12-02 20:11:27,864 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-12-02 20:11:27,864 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-12-02 20:11:27,864 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-12-02 20:11:27,864 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-12-02 20:11:27,864 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-12-02 20:11:27,867 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:27,869 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 20:11:27,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:11:27 BoogieIcfgContainer [2023-12-02 20:11:27,873 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:11:27,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:11:27,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:11:27,874 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:11:27,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:03" (3/4) ... [2023-12-02 20:11:27,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 20:11:27,880 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-12-02 20:11:27,880 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-12-02 20:11:27,880 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2023-12-02 20:11:27,880 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 20:11:27,880 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 20:11:27,894 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2023-12-02 20:11:27,896 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2023-12-02 20:11:27,898 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-12-02 20:11:27,899 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 20:11:27,901 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 20:11:27,902 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 20:11:27,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 20:11:27,905 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 20:11:28,580 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 20:11:28,580 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 20:11:28,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:11:28,581 INFO L158 Benchmark]: Toolchain (without parser) took 29452.01ms. Allocated memory was 127.9MB in the beginning and 828.4MB in the end (delta: 700.4MB). Free memory was 77.5MB in the beginning and 730.1MB in the end (delta: -652.6MB). Peak memory consumption was 537.5MB. Max. memory is 16.1GB. [2023-12-02 20:11:28,581 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:11:28,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2377.82ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 77.5MB in the beginning and 57.0MB in the end (delta: 20.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2023-12-02 20:11:28,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.43ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 57.0MB in the beginning and 130.7MB in the end (delta: -73.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-12-02 20:11:28,582 INFO L158 Benchmark]: Boogie Preprocessor took 88.87ms. Allocated memory is still 197.1MB. Free memory was 130.7MB in the beginning and 124.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 20:11:28,583 INFO L158 Benchmark]: RCFGBuilder took 1665.59ms. Allocated memory is still 197.1MB. Free memory was 124.4MB in the beginning and 85.1MB in the end (delta: 39.3MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2023-12-02 20:11:28,583 INFO L158 Benchmark]: TraceAbstraction took 24420.97ms. Allocated memory was 197.1MB in the beginning and 828.4MB in the end (delta: 631.2MB). Free memory was 84.0MB in the beginning and 355.5MB in the end (delta: -271.4MB). Peak memory consumption was 359.8MB. Max. memory is 16.1GB. [2023-12-02 20:11:28,583 INFO L158 Benchmark]: Witness Printer took 706.30ms. Allocated memory is still 828.4MB. Free memory was 355.5MB in the beginning and 730.1MB in the end (delta: -374.6MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2023-12-02 20:11:28,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2377.82ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 77.5MB in the beginning and 57.0MB in the end (delta: 20.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.43ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 57.0MB in the beginning and 130.7MB in the end (delta: -73.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.87ms. Allocated memory is still 197.1MB. Free memory was 130.7MB in the beginning and 124.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1665.59ms. Allocated memory is still 197.1MB. Free memory was 124.4MB in the beginning and 85.1MB in the end (delta: 39.3MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * TraceAbstraction took 24420.97ms. Allocated memory was 197.1MB in the beginning and 828.4MB in the end (delta: 631.2MB). Free memory was 84.0MB in the beginning and 355.5MB in the end (delta: -271.4MB). Peak memory consumption was 359.8MB. Max. memory is 16.1GB. * Witness Printer took 706.30ms. Allocated memory is still 828.4MB. Free memory was 355.5MB in the beginning and 730.1MB in the end (delta: -374.6MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8269]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] - GenericResultAtLocation [Line: 8755]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 7, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 1694 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1441 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1192 IncrementalHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 253 mSDtfsCounter, 1192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=6, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 37 PreInvPairs, 46 NumberOfFragments, 1397 HoareAnnotationTreeSize, 37 FomulaSimplifications, 315 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 1778 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 212/212 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 20:11:28,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078574a2-6ee3-4c6f-a0c5-8df74d5ace40/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE