./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/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_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/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_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/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 29d7fb95278c2cc136033d841944b6b6554a35073619295af30129693cec9c54 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:51:15,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:51:15,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 17:51:15,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:51:15,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:51:15,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:51:15,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:51:15,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:51:15,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:51:15,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:51:15,111 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:51:15,111 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:51:15,112 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:51:15,112 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:51:15,113 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:51:15,113 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:51:15,114 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:51:15,115 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:51:15,115 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:51:15,116 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:51:15,116 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:51:15,117 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:51:15,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:51:15,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:51:15,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:51:15,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:51:15,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:51:15,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:51:15,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:51:15,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:51:15,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:51:15,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:51:15,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:51:15,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:51:15,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:51:15,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:51:15,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:51:15,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:51:15,125 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:51:15,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:51:15,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:51:15,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:51:15,126 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:51:15,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:51:15,127 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_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d7fb95278c2cc136033d841944b6b6554a35073619295af30129693cec9c54 [2023-12-02 17:51:15,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:51:15,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:51:15,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:51:15,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:51:15,381 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:51:15,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2023-12-02 17:51:18,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:51:18,889 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:51:18,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2023-12-02 17:51:18,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/data/42734d2a1/dda91da81bd84926bcd1d57e51f1911b/FLAGf64481bad [2023-12-02 17:51:18,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/data/42734d2a1/dda91da81bd84926bcd1d57e51f1911b [2023-12-02 17:51:18,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:51:18,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:51:18,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:51:18,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:51:18,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:51:18,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:51:18" (1/1) ... [2023-12-02 17:51:18,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572ad829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:18, skipping insertion in model container [2023-12-02 17:51:18,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:51:18" (1/1) ... [2023-12-02 17:51:19,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:51:19,324 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_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2023-12-02 17:51:19,333 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_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2023-12-02 17:51:20,462 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:20,463 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:20,464 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:20,465 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:20,467 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:20,483 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:20,484 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:20,486 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:20,486 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,048 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 17:51:21,050 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 17:51:21,051 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 17:51:21,053 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 17:51:21,055 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 17:51:21,056 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 17:51:21,057 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 17:51:21,058 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 17:51:21,059 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 17:51:21,060 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 17:51:21,353 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,354 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:51:21,510 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:51:21,523 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_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2023-12-02 17:51:21,524 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_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2023-12-02 17:51:21,560 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,561 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,561 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,562 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,563 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,569 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,569 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,570 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,571 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,601 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 17:51:21,603 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 17:51:21,604 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 17:51:21,604 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 17:51:21,605 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 17:51:21,606 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 17:51:21,606 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 17:51:21,607 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 17:51:21,608 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 17:51:21,608 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 17:51:21,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2023-12-02 17:51:21,677 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,678 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:51:21,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2023-12-02 17:51:21,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:51:21,976 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,977 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,977 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,977 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,977 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,977 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,977 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,977 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,978 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,978 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,978 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,978 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,978 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,978 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,979 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,979 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,979 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,979 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:21,986 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:51:21,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21 WrapperNode [2023-12-02 17:51:21,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:51:21,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:51:21,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:51:21,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:51:21,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,170 INFO L138 Inliner]: procedures = 694, calls = 2939, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 1179 [2023-12-02 17:51:22,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:51:22,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:51:22,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:51:22,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:51:22,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:51:22,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:51:22,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:51:22,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:51:22,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (1/1) ... [2023-12-02 17:51:22,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:51:22,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:22,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:51:22,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:51:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-12-02 17:51:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-12-02 17:51:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-12-02 17:51:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-12-02 17:51:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:51:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 17:51:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 17:51:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-12-02 17:51:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-12-02 17:51:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:51:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-02 17:51:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-02 17:51:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 17:51:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 17:51:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 17:51:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:51:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 17:51:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-12-02 17:51:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-12-02 17:51:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:51:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:51:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 17:51:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 17:51:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-12-02 17:51:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-12-02 17:51:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:51:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:51:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2023-12-02 17:51:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2023-12-02 17:51:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:51:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 17:51:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 17:51:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-12-02 17:51:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-12-02 17:51:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2023-12-02 17:51:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2023-12-02 17:51:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 17:51:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 17:51:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2023-12-02 17:51:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2023-12-02 17:51:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2023-12-02 17:51:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2023-12-02 17:51:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 17:51:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 17:51:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:51:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-12-02 17:51:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-12-02 17:51:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-12-02 17:51:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-12-02 17:51:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2023-12-02 17:51:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2023-12-02 17:51:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-12-02 17:51:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-12-02 17:51:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:51:22,658 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:51:22,661 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:51:24,214 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:51:24,583 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:51:24,583 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 17:51:24,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:24 BoogieIcfgContainer [2023-12-02 17:51:24,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:51:24,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:51:24,588 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:51:24,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:51:24,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:51:18" (1/3) ... [2023-12-02 17:51:24,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445cc38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:24, skipping insertion in model container [2023-12-02 17:51:24,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:21" (2/3) ... [2023-12-02 17:51:24,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445cc38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:24, skipping insertion in model container [2023-12-02 17:51:24,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:24" (3/3) ... [2023-12-02 17:51:24,595 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2023-12-02 17:51:24,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:51:24,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 17:51:24,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:51:24,688 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;@3b61fa2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:51:24,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 17:51:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 329 states, 164 states have (on average 1.1768292682926829) internal successors, (193), 167 states have internal predecessors, (193), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2023-12-02 17:51:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 17:51:24,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:24,705 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 17:51:24,705 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:24,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:24,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1592269531, now seen corresponding path program 1 times [2023-12-02 17:51:24,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:24,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702682267] [2023-12-02 17:51:24,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 17:51:25,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:25,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702682267] [2023-12-02 17:51:25,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702682267] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:25,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:51:25,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:51:25,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930390097] [2023-12-02 17:51:25,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:25,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:51:25,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:25,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:51:25,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:51:25,821 INFO L87 Difference]: Start difference. First operand has 329 states, 164 states have (on average 1.1768292682926829) internal successors, (193), 167 states have internal predecessors, (193), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-02 17:51:27,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:27,257 INFO L93 Difference]: Finished difference Result 654 states and 1049 transitions. [2023-12-02 17:51:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:27,259 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 41 [2023-12-02 17:51:27,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:27,274 INFO L225 Difference]: With dead ends: 654 [2023-12-02 17:51:27,274 INFO L226 Difference]: Without dead ends: 338 [2023-12-02 17:51:27,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:51:27,285 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 26 mSDsluCounter, 2173 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2609 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:27,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2609 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 17:51:27,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-12-02 17:51:27,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2023-12-02 17:51:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 171 states have (on average 1.1637426900584795) internal successors, (199), 174 states have internal predecessors, (199), 143 states have call successors, (143), 22 states have call predecessors, (143), 22 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2023-12-02 17:51:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 484 transitions. [2023-12-02 17:51:27,380 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 484 transitions. Word has length 41 [2023-12-02 17:51:27,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:27,381 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 484 transitions. [2023-12-02 17:51:27,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-02 17:51:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 484 transitions. [2023-12-02 17:51:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 17:51:27,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:27,385 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:27,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:51:27,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:27,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:27,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1175586601, now seen corresponding path program 1 times [2023-12-02 17:51:27,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:27,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919734297] [2023-12-02 17:51:27,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:27,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 17:51:28,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:28,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919734297] [2023-12-02 17:51:28,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919734297] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:28,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418647372] [2023-12-02 17:51:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:28,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:28,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:28,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:28,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:51:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:28,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 2553 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:51:28,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 17:51:28,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:28,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418647372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:28,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:28,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2023-12-02 17:51:28,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266217902] [2023-12-02 17:51:28,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:28,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:51:28,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:28,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:51:28,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:51:28,912 INFO L87 Difference]: Start difference. First operand 338 states and 484 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 17:51:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:30,904 INFO L93 Difference]: Finished difference Result 353 states and 502 transitions. [2023-12-02 17:51:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:30,905 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 71 [2023-12-02 17:51:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:30,910 INFO L225 Difference]: With dead ends: 353 [2023-12-02 17:51:30,911 INFO L226 Difference]: Without dead ends: 350 [2023-12-02 17:51:30,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:51:30,913 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 24 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:30,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2639 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 17:51:30,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-12-02 17:51:30,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2023-12-02 17:51:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 180 states have (on average 1.1777777777777778) internal successors, (212), 183 states have internal predecessors, (212), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2023-12-02 17:51:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 499 transitions. [2023-12-02 17:51:30,957 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 499 transitions. Word has length 71 [2023-12-02 17:51:30,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:30,957 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 499 transitions. [2023-12-02 17:51:30,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 17:51:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 499 transitions. [2023-12-02 17:51:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 17:51:30,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:30,962 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:30,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:51:31,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:31,163 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:31,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:31,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1703601841, now seen corresponding path program 1 times [2023-12-02 17:51:31,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:31,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189805680] [2023-12-02 17:51:31,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:31,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-02 17:51:31,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:31,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189805680] [2023-12-02 17:51:31,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189805680] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:31,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956666849] [2023-12-02 17:51:31,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:31,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:31,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:31,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:31,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 17:51:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:32,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 3123 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:51:32,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-12-02 17:51:32,782 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:32,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956666849] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:32,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:32,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2023-12-02 17:51:32,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221823831] [2023-12-02 17:51:32,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:32,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:51:32,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:32,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:51:32,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:51:32,786 INFO L87 Difference]: Start difference. First operand 350 states and 499 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 17:51:33,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:33,924 INFO L93 Difference]: Finished difference Result 642 states and 920 transitions. [2023-12-02 17:51:33,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:33,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2023-12-02 17:51:33,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:33,930 INFO L225 Difference]: With dead ends: 642 [2023-12-02 17:51:33,930 INFO L226 Difference]: Without dead ends: 359 [2023-12-02 17:51:33,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:51:33,932 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 15 mSDsluCounter, 2197 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:33,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2643 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 17:51:33,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-12-02 17:51:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2023-12-02 17:51:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 186 states have (on average 1.1774193548387097) internal successors, (219), 189 states have internal predecessors, (219), 145 states have call successors, (145), 26 states have call predecessors, (145), 26 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2023-12-02 17:51:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 508 transitions. [2023-12-02 17:51:33,964 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 508 transitions. Word has length 183 [2023-12-02 17:51:33,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:33,966 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 508 transitions. [2023-12-02 17:51:33,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 17:51:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 508 transitions. [2023-12-02 17:51:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-02 17:51:33,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:33,971 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:33,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 17:51:34,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:34,173 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:34,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:34,173 INFO L85 PathProgramCache]: Analyzing trace with hash 227255480, now seen corresponding path program 1 times [2023-12-02 17:51:34,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:34,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872224964] [2023-12-02 17:51:34,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:34,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:35,092 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2023-12-02 17:51:35,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:35,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872224964] [2023-12-02 17:51:35,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872224964] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:35,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037703206] [2023-12-02 17:51:35,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:35,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:35,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:35,094 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:35,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 17:51:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:35,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 3164 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:51:35,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 17:51:35,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:35,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037703206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:35,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:35,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2023-12-02 17:51:35,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800054787] [2023-12-02 17:51:35,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:35,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:51:35,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:35,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:51:35,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:51:35,923 INFO L87 Difference]: Start difference. First operand 359 states and 508 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-02 17:51:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:37,282 INFO L93 Difference]: Finished difference Result 719 states and 1021 transitions. [2023-12-02 17:51:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:37,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 189 [2023-12-02 17:51:37,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:37,288 INFO L225 Difference]: With dead ends: 719 [2023-12-02 17:51:37,288 INFO L226 Difference]: Without dead ends: 371 [2023-12-02 17:51:37,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 17:51:37,291 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 6 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2149 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:37,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2149 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 17:51:37,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-12-02 17:51:37,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2023-12-02 17:51:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 191 states have (on average 1.1675392670157068) internal successors, (223), 194 states have internal predecessors, (223), 146 states have call successors, (146), 28 states have call predecessors, (146), 28 states have return successors, (146), 145 states have call predecessors, (146), 145 states have call successors, (146) [2023-12-02 17:51:37,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 515 transitions. [2023-12-02 17:51:37,326 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 515 transitions. Word has length 189 [2023-12-02 17:51:37,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:37,327 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 515 transitions. [2023-12-02 17:51:37,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-02 17:51:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 515 transitions. [2023-12-02 17:51:37,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-02 17:51:37,331 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:37,331 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:37,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 17:51:37,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:37,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:37,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:37,536 INFO L85 PathProgramCache]: Analyzing trace with hash -836818284, now seen corresponding path program 1 times [2023-12-02 17:51:37,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:37,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131788313] [2023-12-02 17:51:37,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:37,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2023-12-02 17:51:38,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:38,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131788313] [2023-12-02 17:51:38,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131788313] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:38,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809254320] [2023-12-02 17:51:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:38,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:38,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:38,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:38,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 17:51:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:39,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 3168 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:51:39,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 17:51:39,274 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:39,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809254320] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:39,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:39,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-12-02 17:51:39,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556906308] [2023-12-02 17:51:39,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:39,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:51:39,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:39,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:51:39,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:51:39,278 INFO L87 Difference]: Start difference. First operand 367 states and 515 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-02 17:51:40,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:40,821 INFO L93 Difference]: Finished difference Result 729 states and 1022 transitions. [2023-12-02 17:51:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:40,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 191 [2023-12-02 17:51:40,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:40,824 INFO L225 Difference]: With dead ends: 729 [2023-12-02 17:51:40,824 INFO L226 Difference]: Without dead ends: 371 [2023-12-02 17:51:40,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:51:40,827 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 17 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2554 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:40,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2554 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 17:51:40,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-12-02 17:51:40,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 369. [2023-12-02 17:51:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 192 states have (on average 1.1614583333333333) internal successors, (223), 196 states have internal predecessors, (223), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-12-02 17:51:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 516 transitions. [2023-12-02 17:51:40,847 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 516 transitions. Word has length 191 [2023-12-02 17:51:40,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:40,848 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 516 transitions. [2023-12-02 17:51:40,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-02 17:51:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 516 transitions. [2023-12-02 17:51:40,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-12-02 17:51:40,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:40,852 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:40,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 17:51:41,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:41,055 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:41,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:41,055 INFO L85 PathProgramCache]: Analyzing trace with hash 491069504, now seen corresponding path program 1 times [2023-12-02 17:51:41,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:41,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531231290] [2023-12-02 17:51:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:41,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2023-12-02 17:51:41,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:41,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531231290] [2023-12-02 17:51:41,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531231290] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:41,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539897531] [2023-12-02 17:51:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:41,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:41,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:41,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:41,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 17:51:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:42,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 3172 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:51:42,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 17:51:42,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:42,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539897531] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:42,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:42,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-12-02 17:51:42,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574276800] [2023-12-02 17:51:42,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:42,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:51:42,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:42,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:51:42,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:51:42,949 INFO L87 Difference]: Start difference. First operand 369 states and 516 transitions. Second operand has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-02 17:51:45,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:45,448 INFO L93 Difference]: Finished difference Result 731 states and 1022 transitions. [2023-12-02 17:51:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:45,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 193 [2023-12-02 17:51:45,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:45,453 INFO L225 Difference]: With dead ends: 731 [2023-12-02 17:51:45,453 INFO L226 Difference]: Without dead ends: 373 [2023-12-02 17:51:45,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:51:45,456 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 16 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2550 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:45,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2550 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 17:51:45,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-12-02 17:51:45,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 369. [2023-12-02 17:51:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 192 states have (on average 1.15625) internal successors, (222), 196 states have internal predecessors, (222), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-12-02 17:51:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 515 transitions. [2023-12-02 17:51:45,483 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 515 transitions. Word has length 193 [2023-12-02 17:51:45,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:45,483 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 515 transitions. [2023-12-02 17:51:45,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-02 17:51:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 515 transitions. [2023-12-02 17:51:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-02 17:51:45,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:45,487 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:45,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-02 17:51:45,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:45,688 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:45,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:45,688 INFO L85 PathProgramCache]: Analyzing trace with hash 213437332, now seen corresponding path program 1 times [2023-12-02 17:51:45,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:45,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657483069] [2023-12-02 17:51:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:45,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2023-12-02 17:51:46,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:46,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657483069] [2023-12-02 17:51:46,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657483069] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:46,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112871420] [2023-12-02 17:51:46,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:46,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:46,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:46,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:46,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 17:51:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:47,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 3176 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:51:47,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 17:51:47,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:47,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112871420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:47,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:47,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-12-02 17:51:47,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132506116] [2023-12-02 17:51:47,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:47,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:51:47,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:47,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:51:47,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:51:47,246 INFO L87 Difference]: Start difference. First operand 369 states and 515 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-02 17:51:48,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:48,486 INFO L93 Difference]: Finished difference Result 731 states and 1020 transitions. [2023-12-02 17:51:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:48,486 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 195 [2023-12-02 17:51:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:48,490 INFO L225 Difference]: With dead ends: 731 [2023-12-02 17:51:48,491 INFO L226 Difference]: Without dead ends: 373 [2023-12-02 17:51:48,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:51:48,494 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 15 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2546 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:48,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2546 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 17:51:48,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-12-02 17:51:48,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 369. [2023-12-02 17:51:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 192 states have (on average 1.1510416666666667) internal successors, (221), 196 states have internal predecessors, (221), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-12-02 17:51:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 514 transitions. [2023-12-02 17:51:48,522 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 514 transitions. Word has length 195 [2023-12-02 17:51:48,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:48,522 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 514 transitions. [2023-12-02 17:51:48,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-02 17:51:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 514 transitions. [2023-12-02 17:51:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 17:51:48,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:48,527 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:48,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 17:51:48,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:48,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:48,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:48,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1784084936, now seen corresponding path program 1 times [2023-12-02 17:51:48,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:48,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900340181] [2023-12-02 17:51:48,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:48,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-12-02 17:51:49,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:49,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900340181] [2023-12-02 17:51:49,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900340181] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:49,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197394280] [2023-12-02 17:51:49,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:49,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:49,808 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:49,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 17:51:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:50,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 3180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:51:50,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-12-02 17:51:50,600 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:50,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197394280] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:50,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:50,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2023-12-02 17:51:50,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443898081] [2023-12-02 17:51:50,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:50,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:51:50,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:50,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:51:50,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:51:50,602 INFO L87 Difference]: Start difference. First operand 369 states and 514 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 17:51:51,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:51,684 INFO L93 Difference]: Finished difference Result 713 states and 1035 transitions. [2023-12-02 17:51:51,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:51,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 197 [2023-12-02 17:51:51,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:51,689 INFO L225 Difference]: With dead ends: 713 [2023-12-02 17:51:51,689 INFO L226 Difference]: Without dead ends: 369 [2023-12-02 17:51:51,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:51:51,692 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 6 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:51,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2178 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 17:51:51,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-12-02 17:51:51,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2023-12-02 17:51:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 191 states have (on average 1.1361256544502618) internal successors, (217), 194 states have internal predecessors, (217), 146 states have call successors, (146), 28 states have call predecessors, (146), 28 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-02 17:51:51,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 508 transitions. [2023-12-02 17:51:51,721 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 508 transitions. Word has length 197 [2023-12-02 17:51:51,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:51,721 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 508 transitions. [2023-12-02 17:51:51,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 17:51:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 508 transitions. [2023-12-02 17:51:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-02 17:51:51,725 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:51,725 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:51,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 17:51:51,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 17:51:51,926 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:51,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:51,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1594901728, now seen corresponding path program 1 times [2023-12-02 17:51:51,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:51,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162624047] [2023-12-02 17:51:51,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:51,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 71 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-12-02 17:51:52,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:52,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162624047] [2023-12-02 17:51:52,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162624047] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:52,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608673605] [2023-12-02 17:51:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:52,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:52,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:52,940 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:52,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 17:51:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:53,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 3190 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:51:53,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-02 17:51:53,747 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:53,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608673605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:53,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:53,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2023-12-02 17:51:53,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151121702] [2023-12-02 17:51:53,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:53,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:51:53,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:51:53,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-12-02 17:51:53,750 INFO L87 Difference]: Start difference. First operand 367 states and 508 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 17:51:55,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:55,581 INFO L93 Difference]: Finished difference Result 703 states and 1015 transitions. [2023-12-02 17:51:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:55,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 202 [2023-12-02 17:51:55,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:55,586 INFO L225 Difference]: With dead ends: 703 [2023-12-02 17:51:55,586 INFO L226 Difference]: Without dead ends: 367 [2023-12-02 17:51:55,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-12-02 17:51:55,589 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 16 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:55,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2581 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 17:51:55,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-12-02 17:51:55,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2023-12-02 17:51:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 191 states have (on average 1.130890052356021) internal successors, (216), 194 states have internal predecessors, (216), 146 states have call successors, (146), 28 states have call predecessors, (146), 28 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-02 17:51:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 507 transitions. [2023-12-02 17:51:55,615 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 507 transitions. Word has length 202 [2023-12-02 17:51:55,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:55,615 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 507 transitions. [2023-12-02 17:51:55,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 17:51:55,616 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 507 transitions. [2023-12-02 17:51:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-02 17:51:55,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:55,619 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:55,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 17:51:55,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-12-02 17:51:55,823 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:55,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:55,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1701240032, now seen corresponding path program 1 times [2023-12-02 17:51:55,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:55,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388136165] [2023-12-02 17:51:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:55,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 5 proven. 77 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-12-02 17:51:56,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:56,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388136165] [2023-12-02 17:51:56,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388136165] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:56,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728466286] [2023-12-02 17:51:56,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:56,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:56,739 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:56,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 17:51:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:57,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 3198 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:51:57,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:51:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-02 17:51:57,575 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:51:57,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728466286] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:51:57,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:51:57,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2023-12-02 17:51:57,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085020289] [2023-12-02 17:51:57,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:51:57,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:51:57,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:51:57,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:51:57,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-12-02 17:51:57,578 INFO L87 Difference]: Start difference. First operand 367 states and 507 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 17:51:58,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:51:58,553 INFO L93 Difference]: Finished difference Result 705 states and 1015 transitions. [2023-12-02 17:51:58,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:51:58,553 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 206 [2023-12-02 17:51:58,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:51:58,556 INFO L225 Difference]: With dead ends: 705 [2023-12-02 17:51:58,556 INFO L226 Difference]: Without dead ends: 369 [2023-12-02 17:51:58,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-12-02 17:51:58,558 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 17 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2147 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 17:51:58,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2147 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 17:51:58,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-12-02 17:51:58,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2023-12-02 17:51:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 191 states have (on average 1.12565445026178) internal successors, (215), 194 states have internal predecessors, (215), 146 states have call successors, (146), 28 states have call predecessors, (146), 28 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-02 17:51:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 506 transitions. [2023-12-02 17:51:58,577 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 506 transitions. Word has length 206 [2023-12-02 17:51:58,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:51:58,577 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 506 transitions. [2023-12-02 17:51:58,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 17:51:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 506 transitions. [2023-12-02 17:51:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 17:51:58,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:51:58,580 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:51:58,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-02 17:51:58,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 17:51:58,780 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:51:58,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:51:58,781 INFO L85 PathProgramCache]: Analyzing trace with hash 591705184, now seen corresponding path program 1 times [2023-12-02 17:51:58,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:51:58,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350260298] [2023-12-02 17:51:58,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:58,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:51:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:51:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 6 proven. 83 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-12-02 17:51:59,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:51:59,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350260298] [2023-12-02 17:51:59,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350260298] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:51:59,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019301730] [2023-12-02 17:51:59,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:51:59,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:51:59,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:59,796 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:51:59,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 17:52:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:52:00,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 3206 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:52:00,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:52:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-12-02 17:52:00,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:52:00,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019301730] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:52:00,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:52:00,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2023-12-02 17:52:00,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830043781] [2023-12-02 17:52:00,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:52:00,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:52:00,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:52:00,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:52:00,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-12-02 17:52:00,618 INFO L87 Difference]: Start difference. First operand 367 states and 506 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 17:52:01,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:52:01,791 INFO L93 Difference]: Finished difference Result 705 states and 1013 transitions. [2023-12-02 17:52:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:52:01,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 210 [2023-12-02 17:52:01,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:52:01,795 INFO L225 Difference]: With dead ends: 705 [2023-12-02 17:52:01,795 INFO L226 Difference]: Without dead ends: 369 [2023-12-02 17:52:01,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-12-02 17:52:01,798 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 14 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:52:01,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2573 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 17:52:01,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-12-02 17:52:01,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2023-12-02 17:52:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 191 states have (on average 1.1204188481675392) internal successors, (214), 194 states have internal predecessors, (214), 146 states have call successors, (146), 28 states have call predecessors, (146), 28 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-02 17:52:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 505 transitions. [2023-12-02 17:52:01,822 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 505 transitions. Word has length 210 [2023-12-02 17:52:01,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:52:01,823 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 505 transitions. [2023-12-02 17:52:01,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 17:52:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 505 transitions. [2023-12-02 17:52:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 17:52:01,825 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:52:01,825 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:52:01,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 17:52:02,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-02 17:52:02,026 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:52:02,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:52:02,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1027919456, now seen corresponding path program 2 times [2023-12-02 17:52:02,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:52:02,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470791951] [2023-12-02 17:52:02,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:52:02,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:52:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:52:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2023-12-02 17:52:09,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:52:09,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470791951] [2023-12-02 17:52:09,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470791951] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:52:09,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14911863] [2023-12-02 17:52:09,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 17:52:09,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:52:09,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:52:09,073 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:52:09,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 17:52:11,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-12-02 17:52:11,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 17:52:11,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 3214 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-02 17:52:11,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:52:11,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-02 17:52:11,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 17:52:12,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-12-02 17:52:13,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2023-12-02 17:52:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-12-02 17:52:13,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:52:13,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14911863] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:52:13,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:52:13,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [19] total 36 [2023-12-02 17:52:13,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718242377] [2023-12-02 17:52:13,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:52:13,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 17:52:13,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:52:13,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 17:52:13,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1137, Unknown=0, NotChecked=0, Total=1260 [2023-12-02 17:52:13,903 INFO L87 Difference]: Start difference. First operand 367 states and 505 transitions. Second operand has 20 states, 12 states have (on average 6.916666666666667) internal successors, (83), 15 states have internal predecessors, (83), 10 states have call successors, (37), 4 states have call predecessors, (37), 10 states have return successors, (37), 13 states have call predecessors, (37), 10 states have call successors, (37) [2023-12-02 17:52:16,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:52:23,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:52:26,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:52:28,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:52:30,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:52:30,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:52:30,998 INFO L93 Difference]: Finished difference Result 405 states and 541 transitions. [2023-12-02 17:52:30,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 17:52:30,999 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 12 states have (on average 6.916666666666667) internal successors, (83), 15 states have internal predecessors, (83), 10 states have call successors, (37), 4 states have call predecessors, (37), 10 states have return successors, (37), 13 states have call predecessors, (37), 10 states have call successors, (37) Word has length 214 [2023-12-02 17:52:31,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:52:31,000 INFO L225 Difference]: With dead ends: 405 [2023-12-02 17:52:31,000 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 17:52:31,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 186 SyntacticMatches, 12 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=165, Invalid=1557, Unknown=0, NotChecked=0, Total=1722 [2023-12-02 17:52:31,002 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 8 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2023-12-02 17:52:31,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 339 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 412 Invalid, 5 Unknown, 0 Unchecked, 16.8s Time] [2023-12-02 17:52:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 17:52:31,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 17:52:31,003 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 17:52:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 17:52:31,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2023-12-02 17:52:31,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:52:31,004 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 17:52:31,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 12 states have (on average 6.916666666666667) internal successors, (83), 15 states have internal predecessors, (83), 10 states have call successors, (37), 4 states have call predecessors, (37), 10 states have return successors, (37), 13 states have call predecessors, (37), 10 states have call successors, (37) [2023-12-02 17:52:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 17:52:31,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 17:52:31,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-02 17:52:31,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 17:52:31,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 17:52:31,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-02 17:52:31,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 17:52:31,700 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: true [2023-12-02 17:52:31,700 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2023-12-02 17:52:31,700 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2023-12-02 17:52:31,700 INFO L902 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: true [2023-12-02 17:52:31,701 INFO L895 garLoopResultBuilder]: At program point L5793(line 5793) the Hoare annotation is: (or (= 5 aws_atomic_load_ptr_explicit_~memory_order) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse0 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse1 (select .cse0 8))) (or (not (= (select .cse0 32) .cse1)) (= .cse1 0))))) (not (= 5 |aws_atomic_load_ptr_explicit_#in~memory_order|))) [2023-12-02 17:52:31,701 INFO L899 garLoopResultBuilder]: For program point L5793-1(line 5793) no Hoare annotation was computed. [2023-12-02 17:52:31,701 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5791 5794) the Hoare annotation is: true [2023-12-02 17:52:31,701 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5791 5794) no Hoare annotation was computed. [2023-12-02 17:52:31,701 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-12-02 17:52:31,701 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-12-02 17:52:31,701 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8794 8803) the Hoare annotation is: true [2023-12-02 17:52:31,702 INFO L899 garLoopResultBuilder]: For program point s_buf_belongs_to_poolEXIT(lines 8794 8803) no Hoare annotation was computed. [2023-12-02 17:52:31,702 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6039 6045) no Hoare annotation was computed. [2023-12-02 17:52:31,702 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6039 6045) the Hoare annotation is: true [2023-12-02 17:52:31,702 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5638 5641) no Hoare annotation was computed. [2023-12-02 17:52:31,702 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5638 5641) the Hoare annotation is: true [2023-12-02 17:52:31,703 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5638 5641) no Hoare annotation was computed. [2023-12-02 17:52:31,703 INFO L902 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2023-12-02 17:52:31,703 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-12-02 17:52:31,703 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-12-02 17:52:31,703 INFO L902 garLoopResultBuilder]: At program point L9213(line 9213) the Hoare annotation is: true [2023-12-02 17:52:31,703 INFO L902 garLoopResultBuilder]: At program point L9212(line 9212) the Hoare annotation is: true [2023-12-02 17:52:31,704 INFO L899 garLoopResultBuilder]: For program point L9213-1(line 9213) no Hoare annotation was computed. [2023-12-02 17:52:31,704 INFO L899 garLoopResultBuilder]: For program point L9212-1(line 9212) no Hoare annotation was computed. [2023-12-02 17:52:31,704 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9210 9215) the Hoare annotation is: true [2023-12-02 17:52:31,704 INFO L899 garLoopResultBuilder]: For program point is_front_valid_stateEXIT(lines 9210 9215) no Hoare annotation was computed. [2023-12-02 17:52:31,705 INFO L895 garLoopResultBuilder]: At program point L5809(line 5809) the Hoare annotation is: (or (= 5 aws_atomic_store_ptr_explicit_~memory_order) (not (= 5 |aws_atomic_store_ptr_explicit_#in~memory_order|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_3| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_3|) 8) 0))) [2023-12-02 17:52:31,705 INFO L899 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2023-12-02 17:52:31,705 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5807 5810) the Hoare annotation is: true [2023-12-02 17:52:31,705 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5807 5810) no Hoare annotation was computed. [2023-12-02 17:52:31,705 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2023-12-02 17:52:31,705 INFO L899 garLoopResultBuilder]: For program point L5746(lines 5746 5759) no Hoare annotation was computed. [2023-12-02 17:52:31,705 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5745 5760) no Hoare annotation was computed. [2023-12-02 17:52:31,706 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5745 5760) no Hoare annotation was computed. [2023-12-02 17:52:31,706 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5745 5760) the Hoare annotation is: true [2023-12-02 17:52:31,706 INFO L899 garLoopResultBuilder]: For program point L5755(line 5755) no Hoare annotation was computed. [2023-12-02 17:52:31,706 INFO L899 garLoopResultBuilder]: For program point L5757(line 5757) no Hoare annotation was computed. [2023-12-02 17:52:31,706 INFO L899 garLoopResultBuilder]: For program point L5751(line 5751) no Hoare annotation was computed. [2023-12-02 17:52:31,706 INFO L899 garLoopResultBuilder]: For program point L5753(line 5753) no Hoare annotation was computed. [2023-12-02 17:52:31,706 INFO L899 garLoopResultBuilder]: For program point L5747(line 5747) no Hoare annotation was computed. [2023-12-02 17:52:31,706 INFO L899 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2023-12-02 17:52:31,707 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2023-12-02 17:52:31,707 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5622 5625) no Hoare annotation was computed. [2023-12-02 17:52:31,707 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5622 5625) the Hoare annotation is: true [2023-12-02 17:52:31,707 INFO L899 garLoopResultBuilder]: For program point L5624-1(line 5624) no Hoare annotation was computed. [2023-12-02 17:52:31,707 INFO L902 garLoopResultBuilder]: At program point L5624(line 5624) the Hoare annotation is: true [2023-12-02 17:52:31,707 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7375 7381) the Hoare annotation is: true [2023-12-02 17:52:31,707 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7375 7381) no Hoare annotation was computed. [2023-12-02 17:52:31,707 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-12-02 17:52:31,708 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-12-02 17:52:31,708 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1988 1999) the Hoare annotation is: true [2023-12-02 17:52:31,708 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-12-02 17:52:31,708 INFO L899 garLoopResultBuilder]: For program point L6072-1(line 6072) no Hoare annotation was computed. [2023-12-02 17:52:31,708 INFO L895 garLoopResultBuilder]: At program point L6072(line 6072) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~tail~1.base 0)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse0 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse1 (select .cse0 8))) (or (not (= (select .cse0 32) .cse1)) (= .cse1 0)))))) [2023-12-02 17:52:31,709 INFO L895 garLoopResultBuilder]: At program point L6066(line 6066) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse0 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse1 (select .cse0 8))) (or (not (= (select .cse0 32) .cse1)) (= .cse1 0)))))) [2023-12-02 17:52:31,709 INFO L899 garLoopResultBuilder]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2023-12-02 17:52:31,709 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6062 6081) the Hoare annotation is: true [2023-12-02 17:52:31,709 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6062 6081) no Hoare annotation was computed. [2023-12-02 17:52:31,710 INFO L895 garLoopResultBuilder]: At program point L6069(line 6069) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~tail~1.base 0)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse0 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse1 (select .cse0 8))) (or (not (= (select .cse0 32) .cse1)) (= .cse1 0)))))) [2023-12-02 17:52:31,710 INFO L899 garLoopResultBuilder]: For program point L6069-1(line 6069) no Hoare annotation was computed. [2023-12-02 17:52:31,710 INFO L895 garLoopResultBuilder]: At program point L6065(line 6065) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse0 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse1 (select .cse0 8))) (or (not (= (select .cse0 32) .cse1)) (= .cse1 0)))))) [2023-12-02 17:52:31,710 INFO L899 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2023-12-02 17:52:31,711 INFO L899 garLoopResultBuilder]: For program point L8219-1(line 8219) no Hoare annotation was computed. [2023-12-02 17:52:31,711 INFO L902 garLoopResultBuilder]: At program point L8219(line 8219) the Hoare annotation is: true [2023-12-02 17:52:31,711 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8218 8232) the Hoare annotation is: true [2023-12-02 17:52:31,711 INFO L902 garLoopResultBuilder]: At program point L8230(line 8230) the Hoare annotation is: true [2023-12-02 17:52:31,711 INFO L899 garLoopResultBuilder]: For program point L8230-2(line 8230) no Hoare annotation was computed. [2023-12-02 17:52:31,712 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_from_empty_arrayEXIT(lines 8218 8232) no Hoare annotation was computed. [2023-12-02 17:52:31,712 INFO L902 garLoopResultBuilder]: At program point L8230-1(line 8230) the Hoare annotation is: true [2023-12-02 17:52:31,712 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6889 6891) the Hoare annotation is: true [2023-12-02 17:52:31,712 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2023-12-02 17:52:31,712 INFO L899 garLoopResultBuilder]: For program point is_middle_valid_stateEXIT(lines 9221 9226) no Hoare annotation was computed. [2023-12-02 17:52:31,712 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9221 9226) the Hoare annotation is: true [2023-12-02 17:52:31,713 INFO L902 garLoopResultBuilder]: At program point L9224(line 9224) the Hoare annotation is: true [2023-12-02 17:52:31,713 INFO L902 garLoopResultBuilder]: At program point L9223(line 9223) the Hoare annotation is: true [2023-12-02 17:52:31,713 INFO L899 garLoopResultBuilder]: For program point L9224-1(line 9224) no Hoare annotation was computed. [2023-12-02 17:52:31,713 INFO L899 garLoopResultBuilder]: For program point L9223-1(line 9223) no Hoare annotation was computed. [2023-12-02 17:52:31,713 INFO L895 garLoopResultBuilder]: At program point L8673(line 8673) the Hoare annotation is: false [2023-12-02 17:52:31,714 INFO L895 garLoopResultBuilder]: At program point L8673-1(line 8673) the Hoare annotation is: false [2023-12-02 17:52:31,714 INFO L899 garLoopResultBuilder]: For program point L8673-2(line 8673) no Hoare annotation was computed. [2023-12-02 17:52:31,714 INFO L895 garLoopResultBuilder]: At program point L8822-1(line 8822) the Hoare annotation is: false [2023-12-02 17:52:31,714 INFO L899 garLoopResultBuilder]: For program point L8822-2(line 8822) no Hoare annotation was computed. [2023-12-02 17:52:31,714 INFO L895 garLoopResultBuilder]: At program point L9268(line 9268) the Hoare annotation is: false [2023-12-02 17:52:31,714 INFO L899 garLoopResultBuilder]: For program point L9268-1(line 9268) no Hoare annotation was computed. [2023-12-02 17:52:31,715 INFO L895 garLoopResultBuilder]: At program point L9202(line 9202) the Hoare annotation is: false [2023-12-02 17:52:31,715 INFO L895 garLoopResultBuilder]: At program point L8822(line 8822) the Hoare annotation is: false [2023-12-02 17:52:31,715 INFO L899 garLoopResultBuilder]: For program point L9202-1(line 9202) no Hoare annotation was computed. [2023-12-02 17:52:31,715 INFO L895 garLoopResultBuilder]: At program point L9285(line 9285) the Hoare annotation is: false [2023-12-02 17:52:31,715 INFO L899 garLoopResultBuilder]: For program point L9285-1(line 9285) no Hoare annotation was computed. [2023-12-02 17:52:31,716 INFO L899 garLoopResultBuilder]: For program point L8641(lines 8641 8645) no Hoare annotation was computed. [2023-12-02 17:52:31,716 INFO L899 garLoopResultBuilder]: For program point L8823-2(line 8823) no Hoare annotation was computed. [2023-12-02 17:52:31,716 INFO L899 garLoopResultBuilder]: For program point L9269(lines 9269 9275) no Hoare annotation was computed. [2023-12-02 17:52:31,716 INFO L895 garLoopResultBuilder]: At program point L6610(line 6610) the Hoare annotation is: false [2023-12-02 17:52:31,716 INFO L895 garLoopResultBuilder]: At program point L8823(line 8823) the Hoare annotation is: false [2023-12-02 17:52:31,716 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_acquire_returnLabel#1(lines 8627 8689) no Hoare annotation was computed. [2023-12-02 17:52:31,717 INFO L895 garLoopResultBuilder]: At program point L8823-1(line 8823) the Hoare annotation is: false [2023-12-02 17:52:31,717 INFO L899 garLoopResultBuilder]: For program point L6610-3(lines 6610 6612) no Hoare annotation was computed. [2023-12-02 17:52:31,717 INFO L899 garLoopResultBuilder]: For program point L6610-1(lines 6610 6612) no Hoare annotation was computed. [2023-12-02 17:52:31,717 INFO L899 garLoopResultBuilder]: For program point L9286-1(line 9286) no Hoare annotation was computed. [2023-12-02 17:52:31,717 INFO L895 garLoopResultBuilder]: At program point L8642(line 8642) the Hoare annotation is: false [2023-12-02 17:52:31,718 INFO L895 garLoopResultBuilder]: At program point L9286(line 9286) the Hoare annotation is: false [2023-12-02 17:52:31,718 INFO L895 garLoopResultBuilder]: At program point L8642-1(line 8642) the Hoare annotation is: false [2023-12-02 17:52:31,718 INFO L899 garLoopResultBuilder]: For program point L8642-2(line 8642) no Hoare annotation was computed. [2023-12-02 17:52:31,718 INFO L899 garLoopResultBuilder]: For program point L9270-1(line 9270) no Hoare annotation was computed. [2023-12-02 17:52:31,718 INFO L899 garLoopResultBuilder]: For program point L8659(lines 8659 8665) no Hoare annotation was computed. [2023-12-02 17:52:31,718 INFO L895 garLoopResultBuilder]: At program point L9270(line 9270) the Hoare annotation is: false [2023-12-02 17:52:31,719 INFO L895 garLoopResultBuilder]: At program point L8643(line 8643) the Hoare annotation is: false [2023-12-02 17:52:31,719 INFO L895 garLoopResultBuilder]: At program point L8643-1(line 8643) the Hoare annotation is: false [2023-12-02 17:52:31,719 INFO L895 garLoopResultBuilder]: At program point L9287(line 9287) the Hoare annotation is: false [2023-12-02 17:52:31,719 INFO L899 garLoopResultBuilder]: For program point L9287-1(line 9287) no Hoare annotation was computed. [2023-12-02 17:52:31,719 INFO L899 garLoopResultBuilder]: For program point L8643-2(line 8643) no Hoare annotation was computed. [2023-12-02 17:52:31,720 INFO L895 garLoopResultBuilder]: At program point L8660(line 8660) the Hoare annotation is: false [2023-12-02 17:52:31,720 INFO L895 garLoopResultBuilder]: At program point L8660-1(line 8660) the Hoare annotation is: false [2023-12-02 17:52:31,720 INFO L899 garLoopResultBuilder]: For program point L8660-2(line 8660) no Hoare annotation was computed. [2023-12-02 17:52:31,720 INFO L899 garLoopResultBuilder]: For program point L6612-1(line 6612) no Hoare annotation was computed. [2023-12-02 17:52:31,720 INFO L895 garLoopResultBuilder]: At program point L6612(line 6612) the Hoare annotation is: false [2023-12-02 17:52:31,720 INFO L895 garLoopResultBuilder]: At program point L9271(line 9271) the Hoare annotation is: false [2023-12-02 17:52:31,720 INFO L899 garLoopResultBuilder]: For program point L9271-1(line 9271) no Hoare annotation was computed. [2023-12-02 17:52:31,721 INFO L895 garLoopResultBuilder]: At program point L8660-3(line 8660) the Hoare annotation is: false [2023-12-02 17:52:31,721 INFO L895 garLoopResultBuilder]: At program point L8660-4(line 8660) the Hoare annotation is: false [2023-12-02 17:52:31,721 INFO L899 garLoopResultBuilder]: For program point L8677(lines 8677 8683) no Hoare annotation was computed. [2023-12-02 17:52:31,721 INFO L895 garLoopResultBuilder]: At program point L8644(line 8644) the Hoare annotation is: false [2023-12-02 17:52:31,721 INFO L899 garLoopResultBuilder]: For program point L8644-1(line 8644) no Hoare annotation was computed. [2023-12-02 17:52:31,721 INFO L895 garLoopResultBuilder]: At program point L9288(line 9288) the Hoare annotation is: false [2023-12-02 17:52:31,721 INFO L899 garLoopResultBuilder]: For program point L9288-1(line 9288) no Hoare annotation was computed. [2023-12-02 17:52:31,721 INFO L899 garLoopResultBuilder]: For program point L8661(line 8661) no Hoare annotation was computed. [2023-12-02 17:52:31,722 INFO L895 garLoopResultBuilder]: At program point L8628(line 8628) the Hoare annotation is: false [2023-12-02 17:52:31,722 INFO L895 garLoopResultBuilder]: At program point L8628-1(line 8628) the Hoare annotation is: false [2023-12-02 17:52:31,722 INFO L899 garLoopResultBuilder]: For program point L8628-2(line 8628) no Hoare annotation was computed. [2023-12-02 17:52:31,722 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2023-12-02 17:52:31,722 INFO L895 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: false [2023-12-02 17:52:31,722 INFO L895 garLoopResultBuilder]: At program point L8678-1(line 8678) the Hoare annotation is: false [2023-12-02 17:52:31,722 INFO L899 garLoopResultBuilder]: For program point L8678-2(line 8678) no Hoare annotation was computed. [2023-12-02 17:52:31,722 INFO L895 garLoopResultBuilder]: At program point L8678-3(line 8678) the Hoare annotation is: false [2023-12-02 17:52:31,722 INFO L899 garLoopResultBuilder]: For program point L8678-4(line 8678) no Hoare annotation was computed. [2023-12-02 17:52:31,723 INFO L895 garLoopResultBuilder]: At program point L8678(line 8678) the Hoare annotation is: false [2023-12-02 17:52:31,723 INFO L895 garLoopResultBuilder]: At program point L8629(line 8629) the Hoare annotation is: false [2023-12-02 17:52:31,723 INFO L895 garLoopResultBuilder]: At program point L8662-1(line 8662) the Hoare annotation is: false [2023-12-02 17:52:31,723 INFO L895 garLoopResultBuilder]: At program point L8629-1(line 8629) the Hoare annotation is: false [2023-12-02 17:52:31,723 INFO L899 garLoopResultBuilder]: For program point L8662-2(line 8662) no Hoare annotation was computed. [2023-12-02 17:52:31,723 INFO L899 garLoopResultBuilder]: For program point L8629-2(line 8629) no Hoare annotation was computed. [2023-12-02 17:52:31,723 INFO L899 garLoopResultBuilder]: For program point L7192(lines 7192 7204) no Hoare annotation was computed. [2023-12-02 17:52:31,723 INFO L895 garLoopResultBuilder]: At program point L9273(line 9273) the Hoare annotation is: false [2023-12-02 17:52:31,723 INFO L899 garLoopResultBuilder]: For program point L9273-1(line 9273) no Hoare annotation was computed. [2023-12-02 17:52:31,724 INFO L895 garLoopResultBuilder]: At program point L8662(line 8662) the Hoare annotation is: false [2023-12-02 17:52:31,724 INFO L895 garLoopResultBuilder]: At program point L8646-1(line 8646) the Hoare annotation is: false [2023-12-02 17:52:31,724 INFO L899 garLoopResultBuilder]: For program point L8646-2(line 8646) no Hoare annotation was computed. [2023-12-02 17:52:31,724 INFO L895 garLoopResultBuilder]: At program point L8646-3(line 8646) the Hoare annotation is: false [2023-12-02 17:52:31,724 INFO L899 garLoopResultBuilder]: For program point L8646-4(line 8646) no Hoare annotation was computed. [2023-12-02 17:52:31,724 INFO L895 garLoopResultBuilder]: At program point L8679(line 8679) the Hoare annotation is: false [2023-12-02 17:52:31,724 INFO L895 garLoopResultBuilder]: At program point L6053(line 6053) the Hoare annotation is: false [2023-12-02 17:52:31,725 INFO L895 garLoopResultBuilder]: At program point L8646(line 8646) the Hoare annotation is: false [2023-12-02 17:52:31,725 INFO L899 garLoopResultBuilder]: For program point L8679-1(line 8679) no Hoare annotation was computed. [2023-12-02 17:52:31,725 INFO L899 garLoopResultBuilder]: For program point L6053-1(line 6053) no Hoare annotation was computed. [2023-12-02 17:52:31,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 17:52:31,725 INFO L895 garLoopResultBuilder]: At program point L9274(line 9274) the Hoare annotation is: false [2023-12-02 17:52:31,725 INFO L895 garLoopResultBuilder]: At program point L8630-1(line 8630) the Hoare annotation is: false [2023-12-02 17:52:31,726 INFO L899 garLoopResultBuilder]: For program point L8663-2(line 8663) no Hoare annotation was computed. [2023-12-02 17:52:31,726 INFO L899 garLoopResultBuilder]: For program point L8630-2(line 8630) no Hoare annotation was computed. [2023-12-02 17:52:31,726 INFO L899 garLoopResultBuilder]: For program point L8630-4(line 8630) no Hoare annotation was computed. [2023-12-02 17:52:31,726 INFO L899 garLoopResultBuilder]: For program point L9274-1(lines 9269 9275) no Hoare annotation was computed. [2023-12-02 17:52:31,726 INFO L895 garLoopResultBuilder]: At program point L8663(line 8663) the Hoare annotation is: false [2023-12-02 17:52:31,726 INFO L895 garLoopResultBuilder]: At program point L8663-1(line 8663) the Hoare annotation is: false [2023-12-02 17:52:31,726 INFO L895 garLoopResultBuilder]: At program point L9258(line 9258) the Hoare annotation is: false [2023-12-02 17:52:31,726 INFO L895 garLoopResultBuilder]: At program point L8630-5(line 8630) the Hoare annotation is: false [2023-12-02 17:52:31,726 INFO L899 garLoopResultBuilder]: For program point L8630-6(line 8630) no Hoare annotation was computed. [2023-12-02 17:52:31,727 INFO L899 garLoopResultBuilder]: For program point L8647-2(line 8647) no Hoare annotation was computed. [2023-12-02 17:52:31,727 INFO L895 garLoopResultBuilder]: At program point L8647-3(line 8647) the Hoare annotation is: false [2023-12-02 17:52:31,727 INFO L895 garLoopResultBuilder]: At program point L6054(line 6054) the Hoare annotation is: false [2023-12-02 17:52:31,727 INFO L899 garLoopResultBuilder]: For program point L8647-4(line 8647) no Hoare annotation was computed. [2023-12-02 17:52:31,727 INFO L899 garLoopResultBuilder]: For program point L9258-1(line 9258) no Hoare annotation was computed. [2023-12-02 17:52:31,727 INFO L895 garLoopResultBuilder]: At program point L8680(line 8680) the Hoare annotation is: false [2023-12-02 17:52:31,727 INFO L895 garLoopResultBuilder]: At program point L8647(line 8647) the Hoare annotation is: false [2023-12-02 17:52:31,727 INFO L895 garLoopResultBuilder]: At program point L8680-1(line 8680) the Hoare annotation is: false [2023-12-02 17:52:31,727 INFO L899 garLoopResultBuilder]: For program point L6054-1(line 6054) no Hoare annotation was computed. [2023-12-02 17:52:31,728 INFO L895 garLoopResultBuilder]: At program point L8647-1(line 8647) the Hoare annotation is: false [2023-12-02 17:52:31,728 INFO L899 garLoopResultBuilder]: For program point L8680-2(line 8680) no Hoare annotation was computed. [2023-12-02 17:52:31,728 INFO L895 garLoopResultBuilder]: At program point L9259(line 9259) the Hoare annotation is: false [2023-12-02 17:52:31,728 INFO L899 garLoopResultBuilder]: For program point L9259-1(line 9259) no Hoare annotation was computed. [2023-12-02 17:52:31,728 INFO L895 garLoopResultBuilder]: At program point L8681(line 8681) the Hoare annotation is: false [2023-12-02 17:52:31,728 INFO L895 garLoopResultBuilder]: At program point L8648(line 8648) the Hoare annotation is: false [2023-12-02 17:52:31,728 INFO L895 garLoopResultBuilder]: At program point L8681-1(line 8681) the Hoare annotation is: false [2023-12-02 17:52:31,728 INFO L899 garLoopResultBuilder]: For program point L8648-1(line 8648) no Hoare annotation was computed. [2023-12-02 17:52:31,728 INFO L899 garLoopResultBuilder]: For program point L8681-2(line 8681) no Hoare annotation was computed. [2023-12-02 17:52:31,728 INFO L899 garLoopResultBuilder]: For program point L9276(line 9276) no Hoare annotation was computed. [2023-12-02 17:52:31,729 INFO L895 garLoopResultBuilder]: At program point L9276-2(line 9276) the Hoare annotation is: false [2023-12-02 17:52:31,729 INFO L899 garLoopResultBuilder]: For program point L6617-1(line 6617) no Hoare annotation was computed. [2023-12-02 17:52:31,729 INFO L895 garLoopResultBuilder]: At program point L6617(line 6617) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_3| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_3|) 8) 0))) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)) [2023-12-02 17:52:31,729 INFO L899 garLoopResultBuilder]: For program point L9276-3(line 9276) no Hoare annotation was computed. [2023-12-02 17:52:31,729 INFO L895 garLoopResultBuilder]: At program point L9276-4(line 9276) the Hoare annotation is: false [2023-12-02 17:52:31,729 INFO L899 garLoopResultBuilder]: For program point L9276-5(line 9276) no Hoare annotation was computed. [2023-12-02 17:52:31,729 INFO L895 garLoopResultBuilder]: At program point L9260(line 9260) the Hoare annotation is: false [2023-12-02 17:52:31,729 INFO L899 garLoopResultBuilder]: For program point L9260-1(line 9260) no Hoare annotation was computed. [2023-12-02 17:52:31,730 INFO L895 garLoopResultBuilder]: At program point L8649(line 8649) the Hoare annotation is: false [2023-12-02 17:52:31,730 INFO L895 garLoopResultBuilder]: At program point L8649-1(line 8649) the Hoare annotation is: false [2023-12-02 17:52:31,730 INFO L899 garLoopResultBuilder]: For program point L8649-2(line 8649) no Hoare annotation was computed. [2023-12-02 17:52:31,730 INFO L895 garLoopResultBuilder]: At program point L9277(line 9277) the Hoare annotation is: false [2023-12-02 17:52:31,730 INFO L899 garLoopResultBuilder]: For program point L9277-1(line 9277) no Hoare annotation was computed. [2023-12-02 17:52:31,730 INFO L899 garLoopResultBuilder]: For program point L9277-2(line 9277) no Hoare annotation was computed. [2023-12-02 17:52:31,730 INFO L895 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_3| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_3|) 8) 0))) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)) [2023-12-02 17:52:31,730 INFO L899 garLoopResultBuilder]: For program point L7196-1(lines 7195 7204) no Hoare annotation was computed. [2023-12-02 17:52:31,731 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2023-12-02 17:52:31,731 INFO L899 garLoopResultBuilder]: For program point L6618-1(line 6618) no Hoare annotation was computed. [2023-12-02 17:52:31,731 INFO L895 garLoopResultBuilder]: At program point L9277-4(line 9277) the Hoare annotation is: false [2023-12-02 17:52:31,731 INFO L899 garLoopResultBuilder]: For program point L9277-5(line 9277) no Hoare annotation was computed. [2023-12-02 17:52:31,731 INFO L895 garLoopResultBuilder]: At program point L9277-6(line 9277) the Hoare annotation is: false [2023-12-02 17:52:31,731 INFO L899 garLoopResultBuilder]: For program point L9277-7(line 9277) no Hoare annotation was computed. [2023-12-02 17:52:31,731 INFO L895 garLoopResultBuilder]: At program point L9261(line 9261) the Hoare annotation is: false [2023-12-02 17:52:31,732 INFO L899 garLoopResultBuilder]: For program point L9261-1(line 9261) no Hoare annotation was computed. [2023-12-02 17:52:31,732 INFO L895 garLoopResultBuilder]: At program point L8650(line 8650) the Hoare annotation is: false [2023-12-02 17:52:31,732 INFO L895 garLoopResultBuilder]: At program point L8650-1(line 8650) the Hoare annotation is: false [2023-12-02 17:52:31,732 INFO L899 garLoopResultBuilder]: For program point L8650-2(line 8650) no Hoare annotation was computed. [2023-12-02 17:52:31,732 INFO L899 garLoopResultBuilder]: For program point L9278-1(line 9278) no Hoare annotation was computed. [2023-12-02 17:52:31,732 INFO L899 garLoopResultBuilder]: For program point L9278-2(line 9278) no Hoare annotation was computed. [2023-12-02 17:52:31,732 INFO L899 garLoopResultBuilder]: For program point L8667(lines 8667 8684) no Hoare annotation was computed. [2023-12-02 17:52:31,733 INFO L895 garLoopResultBuilder]: At program point L8634(line 8634) the Hoare annotation is: false [2023-12-02 17:52:31,733 INFO L895 garLoopResultBuilder]: At program point L9278-4(line 9278) the Hoare annotation is: false [2023-12-02 17:52:31,733 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2023-12-02 17:52:31,733 INFO L895 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) 8) 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)) [2023-12-02 17:52:31,733 INFO L895 garLoopResultBuilder]: At program point L9278(line 9278) the Hoare annotation is: false [2023-12-02 17:52:31,733 INFO L899 garLoopResultBuilder]: For program point L9278-9(line 9278) no Hoare annotation was computed. [2023-12-02 17:52:31,733 INFO L899 garLoopResultBuilder]: For program point L9278-10(line 9278) no Hoare annotation was computed. [2023-12-02 17:52:31,734 INFO L895 garLoopResultBuilder]: At program point L9278-11(line 9278) the Hoare annotation is: false [2023-12-02 17:52:31,734 INFO L899 garLoopResultBuilder]: For program point L9278-12(line 9278) no Hoare annotation was computed. [2023-12-02 17:52:31,734 INFO L899 garLoopResultBuilder]: For program point L8634-1(line 8634) no Hoare annotation was computed. [2023-12-02 17:52:31,734 INFO L895 garLoopResultBuilder]: At program point L8667-2(lines 8656 8684) the Hoare annotation is: false [2023-12-02 17:52:31,734 INFO L899 garLoopResultBuilder]: For program point L9278-5(line 9278) no Hoare annotation was computed. [2023-12-02 17:52:31,734 INFO L895 garLoopResultBuilder]: At program point L8634-2(line 8634) the Hoare annotation is: false [2023-12-02 17:52:31,735 INFO L899 garLoopResultBuilder]: For program point L9278-6(line 9278) no Hoare annotation was computed. [2023-12-02 17:52:31,735 INFO L895 garLoopResultBuilder]: At program point L8634-3(line 8634) the Hoare annotation is: false [2023-12-02 17:52:31,735 INFO L899 garLoopResultBuilder]: For program point L8634-4(line 8634) no Hoare annotation was computed. [2023-12-02 17:52:31,735 INFO L895 garLoopResultBuilder]: At program point L9278-8(line 9278) the Hoare annotation is: false [2023-12-02 17:52:31,735 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 17:52:31,735 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2023-12-02 17:52:31,735 INFO L895 garLoopResultBuilder]: At program point L8635(line 8635) the Hoare annotation is: false [2023-12-02 17:52:31,735 INFO L899 garLoopResultBuilder]: For program point L8635-1(line 8635) no Hoare annotation was computed. [2023-12-02 17:52:31,736 INFO L899 garLoopResultBuilder]: For program point L6620-1(line 6620) no Hoare annotation was computed. [2023-12-02 17:52:31,736 INFO L895 garLoopResultBuilder]: At program point L6620(line 6620) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) 8) 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)) [2023-12-02 17:52:31,736 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2023-12-02 17:52:31,736 INFO L895 garLoopResultBuilder]: At program point L8635-2(line 8635) the Hoare annotation is: false [2023-12-02 17:52:31,736 INFO L895 garLoopResultBuilder]: At program point L8635-3(line 8635) the Hoare annotation is: false [2023-12-02 17:52:31,736 INFO L899 garLoopResultBuilder]: For program point L8635-4(line 8635) no Hoare annotation was computed. [2023-12-02 17:52:31,736 INFO L895 garLoopResultBuilder]: At program point L9263-2(lines 9263 9284) the Hoare annotation is: false [2023-12-02 17:52:31,736 INFO L895 garLoopResultBuilder]: At program point L8817(line 8817) the Hoare annotation is: false [2023-12-02 17:52:31,737 INFO L895 garLoopResultBuilder]: At program point L8817-1(line 8817) the Hoare annotation is: false [2023-12-02 17:52:31,737 INFO L899 garLoopResultBuilder]: For program point L9263(lines 9263 9284) no Hoare annotation was computed. [2023-12-02 17:52:31,737 INFO L899 garLoopResultBuilder]: For program point L8817-2(line 8817) no Hoare annotation was computed. [2023-12-02 17:52:31,737 INFO L899 garLoopResultBuilder]: For program point L8669(lines 8669 8675) no Hoare annotation was computed. [2023-12-02 17:52:31,737 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2023-12-02 17:52:31,737 INFO L895 garLoopResultBuilder]: At program point L9280-4(line 9280) the Hoare annotation is: false [2023-12-02 17:52:31,737 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2023-12-02 17:52:31,737 INFO L899 garLoopResultBuilder]: For program point L9280-5(line 9280) no Hoare annotation was computed. [2023-12-02 17:52:31,738 INFO L895 garLoopResultBuilder]: At program point L9280-6(line 9280) the Hoare annotation is: false [2023-12-02 17:52:31,738 INFO L895 garLoopResultBuilder]: At program point L9280(line 9280) the Hoare annotation is: false [2023-12-02 17:52:31,738 INFO L895 garLoopResultBuilder]: At program point L6621-1(line 6621) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) 8) 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)) [2023-12-02 17:52:31,738 INFO L899 garLoopResultBuilder]: For program point L9280-1(line 9280) no Hoare annotation was computed. [2023-12-02 17:52:31,738 INFO L895 garLoopResultBuilder]: At program point L6621(line 6621) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) 8) 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)) [2023-12-02 17:52:31,739 INFO L899 garLoopResultBuilder]: For program point L9280-2(line 9280) no Hoare annotation was computed. [2023-12-02 17:52:31,739 INFO L895 garLoopResultBuilder]: At program point L8818(line 8818) the Hoare annotation is: false [2023-12-02 17:52:31,739 INFO L899 garLoopResultBuilder]: For program point L9280-7(line 9280) no Hoare annotation was computed. [2023-12-02 17:52:31,739 INFO L899 garLoopResultBuilder]: For program point L8686-1(line 8686) no Hoare annotation was computed. [2023-12-02 17:52:31,739 INFO L895 garLoopResultBuilder]: At program point L8818-1(line 8818) the Hoare annotation is: false [2023-12-02 17:52:31,740 INFO L895 garLoopResultBuilder]: At program point L9264(line 9264) the Hoare annotation is: false [2023-12-02 17:52:31,740 INFO L899 garLoopResultBuilder]: For program point L8818-2(line 8818) no Hoare annotation was computed. [2023-12-02 17:52:31,740 INFO L895 garLoopResultBuilder]: At program point L9264-1(line 9264) the Hoare annotation is: false [2023-12-02 17:52:31,740 INFO L895 garLoopResultBuilder]: At program point L8686(line 8686) the Hoare annotation is: false [2023-12-02 17:52:31,740 INFO L899 garLoopResultBuilder]: For program point L9264-2(line 9264) no Hoare annotation was computed. [2023-12-02 17:52:31,741 INFO L899 garLoopResultBuilder]: For program point L6622(line 6622) no Hoare annotation was computed. [2023-12-02 17:52:31,741 INFO L895 garLoopResultBuilder]: At program point L8670-1(line 8670) the Hoare annotation is: false [2023-12-02 17:52:31,741 INFO L899 garLoopResultBuilder]: For program point L9281-4(line 9281) no Hoare annotation was computed. [2023-12-02 17:52:31,741 INFO L899 garLoopResultBuilder]: For program point L8670-2(line 8670) no Hoare annotation was computed. [2023-12-02 17:52:31,741 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2023-12-02 17:52:31,741 INFO L895 garLoopResultBuilder]: At program point L8670-3(line 8670) the Hoare annotation is: false [2023-12-02 17:52:31,741 INFO L895 garLoopResultBuilder]: At program point L9281-6(line 9281) the Hoare annotation is: false [2023-12-02 17:52:31,741 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2023-12-02 17:52:31,742 INFO L895 garLoopResultBuilder]: At program point L8670-4(line 8670) the Hoare annotation is: false [2023-12-02 17:52:31,742 INFO L899 garLoopResultBuilder]: For program point L9281-7(line 9281) no Hoare annotation was computed. [2023-12-02 17:52:31,742 INFO L895 garLoopResultBuilder]: At program point L9281(line 9281) the Hoare annotation is: false [2023-12-02 17:52:31,742 INFO L895 garLoopResultBuilder]: At program point L9248(line 9248) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= .cse0 (select .cse1 32)) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)))) [2023-12-02 17:52:31,742 INFO L899 garLoopResultBuilder]: For program point L9281-1(line 9281) no Hoare annotation was computed. [2023-12-02 17:52:31,742 INFO L895 garLoopResultBuilder]: At program point L9248-1(line 9248) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (not (= .cse0 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= .cse0 (select .cse1 32)) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_#t~ret1360#1| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)))) [2023-12-02 17:52:31,742 INFO L899 garLoopResultBuilder]: For program point L9281-2(line 9281) no Hoare annotation was computed. [2023-12-02 17:52:31,743 INFO L899 garLoopResultBuilder]: For program point L9248-2(line 9248) no Hoare annotation was computed. [2023-12-02 17:52:31,743 INFO L895 garLoopResultBuilder]: At program point L8670(line 8670) the Hoare annotation is: false [2023-12-02 17:52:31,743 INFO L895 garLoopResultBuilder]: At program point L9281-3(line 9281) the Hoare annotation is: false [2023-12-02 17:52:31,743 INFO L899 garLoopResultBuilder]: For program point L8687-2(line 8687) no Hoare annotation was computed. [2023-12-02 17:52:31,743 INFO L895 garLoopResultBuilder]: At program point L9265(line 9265) the Hoare annotation is: false [2023-12-02 17:52:31,743 INFO L899 garLoopResultBuilder]: For program point L9265-1(line 9265) no Hoare annotation was computed. [2023-12-02 17:52:31,743 INFO L895 garLoopResultBuilder]: At program point L8687(line 8687) the Hoare annotation is: false [2023-12-02 17:52:31,743 INFO L895 garLoopResultBuilder]: At program point L8687-1(line 8687) the Hoare annotation is: false [2023-12-02 17:52:31,743 INFO L899 garLoopResultBuilder]: For program point L6623-1(line 6623) no Hoare annotation was computed. [2023-12-02 17:52:31,744 INFO L895 garLoopResultBuilder]: At program point L6623(line 6623) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) 8) 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)) [2023-12-02 17:52:31,744 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2023-12-02 17:52:31,744 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2023-12-02 17:52:31,744 INFO L899 garLoopResultBuilder]: For program point L8671(line 8671) no Hoare annotation was computed. [2023-12-02 17:52:31,744 INFO L899 garLoopResultBuilder]: For program point L8638(lines 8638 8652) no Hoare annotation was computed. [2023-12-02 17:52:31,744 INFO L895 garLoopResultBuilder]: At program point L8688(line 8688) the Hoare annotation is: false [2023-12-02 17:52:31,744 INFO L895 garLoopResultBuilder]: At program point L9266-2(line 9266) the Hoare annotation is: false [2023-12-02 17:52:31,744 INFO L899 garLoopResultBuilder]: For program point L8688-1(line 8688) no Hoare annotation was computed. [2023-12-02 17:52:31,744 INFO L899 garLoopResultBuilder]: For program point L9266-3(line 9266) no Hoare annotation was computed. [2023-12-02 17:52:31,745 INFO L895 garLoopResultBuilder]: At program point L9250(line 9250) the Hoare annotation is: false [2023-12-02 17:52:31,745 INFO L895 garLoopResultBuilder]: At program point L7202(line 7202) the Hoare annotation is: false [2023-12-02 17:52:31,745 INFO L899 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2023-12-02 17:52:31,745 INFO L895 garLoopResultBuilder]: At program point L6624(line 6624) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) 8) 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#buf~3#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset| 0)) [2023-12-02 17:52:31,745 INFO L899 garLoopResultBuilder]: For program point L7202-1(line 7202) no Hoare annotation was computed. [2023-12-02 17:52:31,745 INFO L895 garLoopResultBuilder]: At program point L9250-1(line 9250) the Hoare annotation is: false [2023-12-02 17:52:31,745 INFO L899 garLoopResultBuilder]: For program point L9250-2(line 9250) no Hoare annotation was computed. [2023-12-02 17:52:31,745 INFO L895 garLoopResultBuilder]: At program point L8672(line 8672) the Hoare annotation is: false [2023-12-02 17:52:31,746 INFO L895 garLoopResultBuilder]: At program point L8672-1(line 8672) the Hoare annotation is: false [2023-12-02 17:52:31,746 INFO L899 garLoopResultBuilder]: For program point L8672-2(line 8672) no Hoare annotation was computed. [2023-12-02 17:52:31,746 INFO L895 garLoopResultBuilder]: At program point L8821(line 8821) the Hoare annotation is: false [2023-12-02 17:52:31,746 INFO L899 garLoopResultBuilder]: For program point L8821-1(line 8821) no Hoare annotation was computed. [2023-12-02 17:52:31,746 INFO L895 garLoopResultBuilder]: At program point L9267(line 9267) the Hoare annotation is: false [2023-12-02 17:52:31,746 INFO L899 garLoopResultBuilder]: For program point L9267-1(line 9267) no Hoare annotation was computed. [2023-12-02 17:52:31,746 INFO L895 garLoopResultBuilder]: At program point L9201(line 9201) the Hoare annotation is: false [2023-12-02 17:52:31,746 INFO L899 garLoopResultBuilder]: For program point L8656(lines 8656 8684) no Hoare annotation was computed. [2023-12-02 17:52:31,746 INFO L899 garLoopResultBuilder]: For program point L9201-1(line 9201) no Hoare annotation was computed. [2023-12-02 17:52:31,746 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-12-02 17:52:31,747 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-12-02 17:52:31,747 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-12-02 17:52:31,747 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-12-02 17:52:31,747 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-12-02 17:52:31,747 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-12-02 17:52:31,747 INFO L899 garLoopResultBuilder]: For program point is_ends_valid_stateEXIT(lines 9232 9237) no Hoare annotation was computed. [2023-12-02 17:52:31,747 INFO L899 garLoopResultBuilder]: For program point L9234-1(line 9234) no Hoare annotation was computed. [2023-12-02 17:52:31,747 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9232 9237) the Hoare annotation is: true [2023-12-02 17:52:31,748 INFO L902 garLoopResultBuilder]: At program point L9235(line 9235) the Hoare annotation is: true [2023-12-02 17:52:31,748 INFO L902 garLoopResultBuilder]: At program point L9234(line 9234) the Hoare annotation is: true [2023-12-02 17:52:31,748 INFO L899 garLoopResultBuilder]: For program point L9235-1(line 9235) no Hoare annotation was computed. [2023-12-02 17:52:31,751 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:52:31,753 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:52:31,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:52:31 BoogieIcfgContainer [2023-12-02 17:52:31,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:52:31,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:52:31,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:52:31,767 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:52:31,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:24" (3/4) ... [2023-12-02 17:52:31,769 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:52:31,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-12-02 17:52:31,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2023-12-02 17:52:31,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2023-12-02 17:52:31,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_buf_belongs_to_pool [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_from_empty_array [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-12-02 17:52:31,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_middle_valid_state [2023-12-02 17:52:31,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_front_valid_state [2023-12-02 17:52:31,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 17:52:31,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2023-12-02 17:52:31,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_ends_valid_state [2023-12-02 17:52:31,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2023-12-02 17:52:31,805 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 197 nodes and edges [2023-12-02 17:52:31,809 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2023-12-02 17:52:31,812 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-12-02 17:52:31,816 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-02 17:52:31,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 17:52:31,823 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 17:52:31,826 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 17:52:31,829 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:52:32,598 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:52:32,599 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:52:32,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:52:32,601 INFO L158 Benchmark]: Toolchain (without parser) took 73656.84ms. Allocated memory was 153.1MB in the beginning and 717.2MB in the end (delta: 564.1MB). Free memory was 99.9MB in the beginning and 610.5MB in the end (delta: -510.6MB). Peak memory consumption was 284.6MB. Max. memory is 16.1GB. [2023-12-02 17:52:32,602 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:52:32,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3042.52ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 99.9MB in the beginning and 124.0MB in the end (delta: -24.1MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. [2023-12-02 17:52:32,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.52ms. Allocated memory is still 184.5MB. Free memory was 124.0MB in the beginning and 109.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 17:52:32,604 INFO L158 Benchmark]: Boogie Preprocessor took 112.50ms. Allocated memory is still 184.5MB. Free memory was 109.4MB in the beginning and 98.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 17:52:32,604 INFO L158 Benchmark]: RCFGBuilder took 2300.61ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 98.9MB in the beginning and 115.1MB in the end (delta: -16.2MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2023-12-02 17:52:32,605 INFO L158 Benchmark]: TraceAbstraction took 67177.45ms. Allocated memory was 237.0MB in the beginning and 717.2MB in the end (delta: 480.2MB). Free memory was 114.0MB in the beginning and 523.2MB in the end (delta: -409.2MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2023-12-02 17:52:32,606 INFO L158 Benchmark]: Witness Printer took 832.77ms. Allocated memory is still 717.2MB. Free memory was 522.2MB in the beginning and 610.5MB in the end (delta: -88.3MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2023-12-02 17:52:32,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3042.52ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 99.9MB in the beginning and 124.0MB in the end (delta: -24.1MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.52ms. Allocated memory is still 184.5MB. Free memory was 124.0MB in the beginning and 109.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.50ms. Allocated memory is still 184.5MB. Free memory was 109.4MB in the beginning and 98.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2300.61ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 98.9MB in the beginning and 115.1MB in the end (delta: -16.2MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * TraceAbstraction took 67177.45ms. Allocated memory was 237.0MB in the beginning and 717.2MB in the end (delta: 480.2MB). Free memory was 114.0MB in the beginning and 523.2MB in the end (delta: -409.2MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Witness Printer took 832.77ms. Allocated memory is still 717.2MB. Free memory was 522.2MB in the beginning and 610.5MB in the end (delta: -88.3MB). Peak memory consumption was 140.5MB. 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: 8989]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] * 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: 233]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - 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 21 procedures, 329 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 67.1s, OverallIterations: 12, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 33.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 32.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 27508 SdHoareTripleChecker+Invalid, 31.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22656 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2802 IncrementalHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 4852 mSDtfsCounter, 2802 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2203 GetRequests, 2011 SyntacticMatches, 12 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=369occurred in iteration=5, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 20 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 163 LocationsWithAnnotation, 2730 PreInvPairs, 2736 NumberOfFragments, 549 HoareAnnotationTreeSize, 2730 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 163 FomulaSimplificationsInter, 651 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 8.1s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 4143 NumberOfCodeBlocks, 4143 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 4120 ConstructedInterpolants, 89 QuantifiedInterpolants, 6792 SizeOfPredicates, 46 NumberOfNonLiveVariables, 34344 ConjunctsInSsa, 159 ConjunctsInUnsatCore, 23 InterpolantComputations, 12 PerfectInterpolantSequences, 4932/5380 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 2 specifications checked. All of them hold - InvariantResult [Line: 8630]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-02 17:52:32,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74aaa2c-9fea-4af1-b549-0f30fa3f206c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE