./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:10:08,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:10:08,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 00:10:08,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:10:08,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:10:08,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:10:08,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:10:08,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:10:08,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:10:08,107 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:10:08,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:10:08,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:10:08,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:10:08,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:10:08,109 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:10:08,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:10:08,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:10:08,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:10:08,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:10:08,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:10:08,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:10:08,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:10:08,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:10:08,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:10:08,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:10:08,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:10:08,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:10:08,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:10:08,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:10:08,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:10:08,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:10:08,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:10:08,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:10:08,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:10:08,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:10:08,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:10:08,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:10:08,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:10:08,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:10:08,121 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 [2023-11-29 00:10:08,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:10:08,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:10:08,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:10:08,393 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:10:08,394 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:10:08,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2023-11-29 00:10:11,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:10:11,675 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:10:11,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2023-11-29 00:10:11,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/data/df168c326/69edb178a501409e8eeb3c55660401ea/FLAG3964fc10a [2023-11-29 00:10:11,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/data/df168c326/69edb178a501409e8eeb3c55660401ea [2023-11-29 00:10:11,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:10:11,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:10:11,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:10:11,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:10:11,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:10:11,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:10:11" (1/1) ... [2023-11-29 00:10:11,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80e4ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:11, skipping insertion in model container [2023-11-29 00:10:11,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:10:11" (1/1) ... [2023-11-29 00:10:11,833 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:10:12,050 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_c916f88b-8ee1-44df-919d-27d5c365aadd/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4498,4511] [2023-11-29 00:10:12,056 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4558,4571] [2023-11-29 00:10:12,831 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:12,832 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:12,832 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:12,833 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:12,834 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:12,850 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:12,851 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:12,853 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:12,854 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,270 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 00:10:13,271 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 00:10:13,272 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 00:10:13,273 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 00:10:13,275 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 00:10:13,276 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 00:10:13,277 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 00:10:13,277 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 00:10:13,278 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 00:10:13,279 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 00:10:13,521 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,521 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:10:13,661 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:10:13,675 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_c916f88b-8ee1-44df-919d-27d5c365aadd/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4498,4511] [2023-11-29 00:10:13,675 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_c916f88b-8ee1-44df-919d-27d5c365aadd/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4558,4571] [2023-11-29 00:10:13,713 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,713 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,714 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,715 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,715 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,722 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,723 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,724 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,724 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,784 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 00:10:13,785 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 00:10:13,786 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 00:10:13,787 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 00:10:13,788 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 00:10:13,789 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 00:10:13,789 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 00:10:13,790 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 00:10:13,790 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 00:10:13,791 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 00:10:13,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-11-29 00:10:13,865 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,866 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 00:10:13,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2023-11-29 00:10:13,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:10:14,201 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,201 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,201 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,202 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,202 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,202 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,202 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,202 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,202 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,203 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,203 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,203 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,203 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,203 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,203 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,204 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,204 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,204 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:10:14,212 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:10:14,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14 WrapperNode [2023-11-29 00:10:14,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:10:14,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:10:14,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:10:14,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:10:14,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,394 INFO L138 Inliner]: procedures = 690, calls = 2881, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 818 [2023-11-29 00:10:14,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:10:14,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:10:14,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:10:14,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:10:14,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,415 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,478 INFO L175 MemorySlicer]: Split 529 memory accesses to 7 slices as follows [2, 256, 236, 6, 0, 26, 3]. 48 percent of accesses are in the largest equivalence class. The 507 initializations are split as follows [2, 256, 236, 5, 0, 5, 3]. The 4 writes are split as follows [0, 0, 0, 0, 0, 4, 0]. [2023-11-29 00:10:14,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:10:14,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:10:14,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:10:14,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:10:14,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (1/1) ... [2023-11-29 00:10:14,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:10:14,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:14,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:10:14,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:10:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-29 00:10:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-29 00:10:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:10:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-29 00:10:14,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-29 00:10:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 00:10:14,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 00:10:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 00:10:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:10:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 00:10:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 00:10:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 00:10:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 00:10:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 00:10:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 00:10:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 00:10:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-29 00:10:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-29 00:10:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:10:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:10:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-29 00:10:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-29 00:10:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-11-29 00:10:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-11-29 00:10:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-29 00:10:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-29 00:10:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-29 00:10:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-29 00:10:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 00:10:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 00:10:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 00:10:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 00:10:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 00:10:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 00:10:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 00:10:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 00:10:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 00:10:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 00:10:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 00:10:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 00:10:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 00:10:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 00:10:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:10:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:10:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:10:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 00:10:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 00:10:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 00:10:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 00:10:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 00:10:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 00:10:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-29 00:10:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-29 00:10:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-29 00:10:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-29 00:10:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-29 00:10:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-29 00:10:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-29 00:10:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-29 00:10:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-29 00:10:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-29 00:10:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-29 00:10:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-29 00:10:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:10:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 00:10:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 00:10:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 00:10:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 00:10:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 00:10:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 00:10:14,888 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:10:14,891 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:10:16,052 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:10:16,195 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:10:16,195 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 00:10:16,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:16 BoogieIcfgContainer [2023-11-29 00:10:16,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:10:16,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:10:16,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:10:16,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:10:16,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:10:11" (1/3) ... [2023-11-29 00:10:16,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b45be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:10:16, skipping insertion in model container [2023-11-29 00:10:16,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:14" (2/3) ... [2023-11-29 00:10:16,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b45be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:10:16, skipping insertion in model container [2023-11-29 00:10:16,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:16" (3/3) ... [2023-11-29 00:10:16,204 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness_negated.i [2023-11-29 00:10:16,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:10:16,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 00:10:16,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:10:16,283 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=PETRI_NET, 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;@59e57bb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:10:16,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 00:10:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 76 states have internal predecessors, (94), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 00:10:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 00:10:16,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:16,298 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:10:16,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:16,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:16,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1915063369, now seen corresponding path program 1 times [2023-11-29 00:10:16,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:16,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202137680] [2023-11-29 00:10:16,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:16,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:16,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 00:10:16,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:16,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202137680] [2023-11-29 00:10:16,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202137680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:16,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:10:16,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:10:16,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792273378] [2023-11-29 00:10:16,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:16,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:10:16,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:17,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:10:17,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:10:17,004 INFO L87 Difference]: Start difference. First operand has 125 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 76 states have internal predecessors, (94), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:10:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:17,489 INFO L93 Difference]: Finished difference Result 240 states and 334 transitions. [2023-11-29 00:10:17,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:10:17,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2023-11-29 00:10:17,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:17,502 INFO L225 Difference]: With dead ends: 240 [2023-11-29 00:10:17,502 INFO L226 Difference]: Without dead ends: 125 [2023-11-29 00:10:17,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:10:17,511 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 73 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:17,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 85 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:10:17,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-29 00:10:17,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2023-11-29 00:10:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 75 states have internal predecessors, (88), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 153 transitions. [2023-11-29 00:10:17,565 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 153 transitions. Word has length 51 [2023-11-29 00:10:17,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:17,566 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 153 transitions. [2023-11-29 00:10:17,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:10:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 153 transitions. [2023-11-29 00:10:17,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 00:10:17,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:17,569 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:10:17,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:10:17,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:17,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:17,571 INFO L85 PathProgramCache]: Analyzing trace with hash -483789113, now seen corresponding path program 1 times [2023-11-29 00:10:17,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:17,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826381946] [2023-11-29 00:10:17,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:17,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 00:10:18,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:18,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826381946] [2023-11-29 00:10:18,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826381946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:18,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:10:18,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 00:10:18,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276866208] [2023-11-29 00:10:18,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:18,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:10:18,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:18,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:10:18,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:10:18,220 INFO L87 Difference]: Start difference. First operand 123 states and 153 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:10:19,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:19,198 INFO L93 Difference]: Finished difference Result 230 states and 301 transitions. [2023-11-29 00:10:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:10:19,199 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 51 [2023-11-29 00:10:19,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:19,201 INFO L225 Difference]: With dead ends: 230 [2023-11-29 00:10:19,202 INFO L226 Difference]: Without dead ends: 132 [2023-11-29 00:10:19,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:19,205 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 107 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:19,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 304 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:10:19,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-29 00:10:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2023-11-29 00:10:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 81 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 162 transitions. [2023-11-29 00:10:19,222 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 162 transitions. Word has length 51 [2023-11-29 00:10:19,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:19,224 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 162 transitions. [2023-11-29 00:10:19,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:10:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 162 transitions. [2023-11-29 00:10:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 00:10:19,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:19,227 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2023-11-29 00:10:19,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:10:19,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:19,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:19,228 INFO L85 PathProgramCache]: Analyzing trace with hash -217549466, now seen corresponding path program 1 times [2023-11-29 00:10:19,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:19,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119856814] [2023-11-29 00:10:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:19,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 00:10:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-29 00:10:19,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:19,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119856814] [2023-11-29 00:10:19,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119856814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:19,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:10:19,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 00:10:19,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080636573] [2023-11-29 00:10:19,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:19,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:10:19,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:19,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:10:19,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:10:19,884 INFO L87 Difference]: Start difference. First operand 130 states and 162 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 00:10:20,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:20,843 INFO L93 Difference]: Finished difference Result 132 states and 164 transitions. [2023-11-29 00:10:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:10:20,843 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81 [2023-11-29 00:10:20,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:20,845 INFO L225 Difference]: With dead ends: 132 [2023-11-29 00:10:20,845 INFO L226 Difference]: Without dead ends: 129 [2023-11-29 00:10:20,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:20,847 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 89 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:20,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 304 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:10:20,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-29 00:10:20,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2023-11-29 00:10:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 78 states have internal predecessors, (94), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 159 transitions. [2023-11-29 00:10:20,864 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 159 transitions. Word has length 81 [2023-11-29 00:10:20,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:20,864 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 159 transitions. [2023-11-29 00:10:20,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 00:10:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 159 transitions. [2023-11-29 00:10:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-29 00:10:20,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:20,869 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:20,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:10:20,869 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:20,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:20,870 INFO L85 PathProgramCache]: Analyzing trace with hash 351729792, now seen corresponding path program 1 times [2023-11-29 00:10:20,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:20,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602578986] [2023-11-29 00:10:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:20,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 00:10:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 00:10:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 00:10:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 00:10:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 00:10:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 00:10:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-29 00:10:21,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:21,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602578986] [2023-11-29 00:10:21,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602578986] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:21,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803469848] [2023-11-29 00:10:21,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:21,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:21,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:21,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:21,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:10:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:22,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 3035 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:10:22,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-29 00:10:22,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:22,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803469848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:22,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:22,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-11-29 00:10:22,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361358998] [2023-11-29 00:10:22,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:22,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:10:22,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:22,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:10:22,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:10:22,611 INFO L87 Difference]: Start difference. First operand 127 states and 159 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-29 00:10:22,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:22,767 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2023-11-29 00:10:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:10:22,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 188 [2023-11-29 00:10:22,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:22,770 INFO L225 Difference]: With dead ends: 213 [2023-11-29 00:10:22,770 INFO L226 Difference]: Without dead ends: 131 [2023-11-29 00:10:22,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:10:22,772 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 3 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:22,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 398 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:10:22,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-29 00:10:22,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2023-11-29 00:10:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 79 states have (on average 1.2151898734177216) internal successors, (96), 80 states have internal predecessors, (96), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 161 transitions. [2023-11-29 00:10:22,787 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 161 transitions. Word has length 188 [2023-11-29 00:10:22,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:22,788 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 161 transitions. [2023-11-29 00:10:22,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-29 00:10:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 161 transitions. [2023-11-29 00:10:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-29 00:10:22,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:22,793 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:22,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:10:22,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-29 00:10:23,000 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:23,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:23,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1302905280, now seen corresponding path program 1 times [2023-11-29 00:10:23,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:23,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864146285] [2023-11-29 00:10:23,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:23,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 00:10:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 00:10:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 00:10:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 00:10:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 00:10:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 00:10:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-29 00:10:23,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:23,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864146285] [2023-11-29 00:10:23,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864146285] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:23,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903638874] [2023-11-29 00:10:23,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:23,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:23,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:23,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:23,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:10:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:24,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 3025 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:10:24,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-29 00:10:24,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:24,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903638874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:24,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:24,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2023-11-29 00:10:24,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019499012] [2023-11-29 00:10:24,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:24,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:10:24,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:24,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:10:24,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:10:24,445 INFO L87 Difference]: Start difference. First operand 129 states and 161 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-29 00:10:24,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:24,798 INFO L93 Difference]: Finished difference Result 215 states and 270 transitions. [2023-11-29 00:10:24,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:10:24,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 188 [2023-11-29 00:10:24,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:24,801 INFO L225 Difference]: With dead ends: 215 [2023-11-29 00:10:24,801 INFO L226 Difference]: Without dead ends: 131 [2023-11-29 00:10:24,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:24,803 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 29 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:24,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 431 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:10:24,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-29 00:10:24,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-11-29 00:10:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 80 states have (on average 1.2125) internal successors, (97), 82 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2023-11-29 00:10:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 163 transitions. [2023-11-29 00:10:24,818 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 163 transitions. Word has length 188 [2023-11-29 00:10:24,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:24,819 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 163 transitions. [2023-11-29 00:10:24,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-29 00:10:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 163 transitions. [2023-11-29 00:10:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 00:10:24,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:24,823 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:10:24,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:10:25,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:25,024 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:25,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:25,024 INFO L85 PathProgramCache]: Analyzing trace with hash 214471207, now seen corresponding path program 1 times [2023-11-29 00:10:25,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:25,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234330831] [2023-11-29 00:10:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:25,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 00:10:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 00:10:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 00:10:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 00:10:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 00:10:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-29 00:10:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-29 00:10:25,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:25,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234330831] [2023-11-29 00:10:25,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234330831] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:25,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416639815] [2023-11-29 00:10:25,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:25,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:25,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:25,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:25,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:10:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:26,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 3041 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:10:26,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-29 00:10:26,413 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:26,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416639815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:26,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:26,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-29 00:10:26,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848853106] [2023-11-29 00:10:26,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:26,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:10:26,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:26,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:10:26,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:10:26,417 INFO L87 Difference]: Start difference. First operand 131 states and 163 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2023-11-29 00:10:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:26,792 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2023-11-29 00:10:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:10:26,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) Word has length 190 [2023-11-29 00:10:26,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:26,795 INFO L225 Difference]: With dead ends: 188 [2023-11-29 00:10:26,795 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 00:10:26,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:10:26,797 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 35 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:26,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 538 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:10:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 00:10:26,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-29 00:10:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 78 states have internal predecessors, (93), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 158 transitions. [2023-11-29 00:10:26,809 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 158 transitions. Word has length 190 [2023-11-29 00:10:26,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:26,810 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 158 transitions. [2023-11-29 00:10:26,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2023-11-29 00:10:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 158 transitions. [2023-11-29 00:10:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-29 00:10:26,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:26,813 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:26,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:10:27,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 00:10:27,014 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:27,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:27,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1367827744, now seen corresponding path program 1 times [2023-11-29 00:10:27,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:27,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230681435] [2023-11-29 00:10:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:27,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 00:10:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 00:10:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 00:10:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 00:10:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-29 00:10:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 00:10:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 00:10:27,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:27,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230681435] [2023-11-29 00:10:27,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230681435] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:27,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664474510] [2023-11-29 00:10:27,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:27,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:27,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:27,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:27,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:10:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:28,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 3057 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:10:28,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-29 00:10:28,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:28,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664474510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:28,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:28,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2023-11-29 00:10:28,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761080443] [2023-11-29 00:10:28,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:28,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:10:28,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:28,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:10:28,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:10:28,394 INFO L87 Difference]: Start difference. First operand 127 states and 158 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:10:28,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:28,667 INFO L93 Difference]: Finished difference Result 235 states and 294 transitions. [2023-11-29 00:10:28,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:10:28,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 192 [2023-11-29 00:10:28,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:28,669 INFO L225 Difference]: With dead ends: 235 [2023-11-29 00:10:28,669 INFO L226 Difference]: Without dead ends: 129 [2023-11-29 00:10:28,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:10:28,671 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 4 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:28,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 633 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:10:28,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-29 00:10:28,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2023-11-29 00:10:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 157 transitions. [2023-11-29 00:10:28,683 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 157 transitions. Word has length 192 [2023-11-29 00:10:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:28,683 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 157 transitions. [2023-11-29 00:10:28,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:10:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 157 transitions. [2023-11-29 00:10:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:10:28,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:28,686 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:28,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:10:28,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:28,888 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:28,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:28,888 INFO L85 PathProgramCache]: Analyzing trace with hash 245312002, now seen corresponding path program 1 times [2023-11-29 00:10:28,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:28,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602652382] [2023-11-29 00:10:28,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:28,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 00:10:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:10:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 00:10:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 00:10:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 00:10:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 00:10:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 00:10:29,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:29,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602652382] [2023-11-29 00:10:29,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602652382] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:29,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103909775] [2023-11-29 00:10:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:29,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:29,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:29,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:29,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:10:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:30,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 3061 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:10:30,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-29 00:10:30,459 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:30,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103909775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:30,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:30,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-29 00:10:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901307397] [2023-11-29 00:10:30,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:30,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:10:30,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:30,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:10:30,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:30,462 INFO L87 Difference]: Start difference. First operand 127 states and 157 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:10:30,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:30,850 INFO L93 Difference]: Finished difference Result 235 states and 292 transitions. [2023-11-29 00:10:30,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:10:30,851 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 194 [2023-11-29 00:10:30,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:30,852 INFO L225 Difference]: With dead ends: 235 [2023-11-29 00:10:30,852 INFO L226 Difference]: Without dead ends: 129 [2023-11-29 00:10:30,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:10:30,854 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 13 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:30,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 736 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:10:30,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-29 00:10:30,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2023-11-29 00:10:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:30,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 156 transitions. [2023-11-29 00:10:30,864 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 156 transitions. Word has length 194 [2023-11-29 00:10:30,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:30,864 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 156 transitions. [2023-11-29 00:10:30,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:10:30,864 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 156 transitions. [2023-11-29 00:10:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:10:30,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:30,866 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:30,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:10:31,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:31,077 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:31,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:31,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1021499160, now seen corresponding path program 1 times [2023-11-29 00:10:31,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:31,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685154711] [2023-11-29 00:10:31,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:31,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 00:10:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 00:10:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 00:10:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 00:10:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 00:10:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 00:10:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 00:10:31,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:31,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685154711] [2023-11-29 00:10:31,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685154711] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:31,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263428675] [2023-11-29 00:10:31,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:31,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:31,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:31,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:31,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:10:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:32,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 3065 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:10:32,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-29 00:10:32,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:32,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263428675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:32,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:32,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-29 00:10:32,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849173921] [2023-11-29 00:10:32,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:32,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:10:32,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:32,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:10:32,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:32,394 INFO L87 Difference]: Start difference. First operand 127 states and 156 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:10:32,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:32,730 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2023-11-29 00:10:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:10:32,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 196 [2023-11-29 00:10:32,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:32,732 INFO L225 Difference]: With dead ends: 235 [2023-11-29 00:10:32,732 INFO L226 Difference]: Without dead ends: 129 [2023-11-29 00:10:32,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:10:32,734 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 14 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:32,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 610 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:10:32,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-29 00:10:32,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2023-11-29 00:10:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 78 states have internal predecessors, (90), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 155 transitions. [2023-11-29 00:10:32,743 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 155 transitions. Word has length 196 [2023-11-29 00:10:32,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:32,743 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 155 transitions. [2023-11-29 00:10:32,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:10:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 155 transitions. [2023-11-29 00:10:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-29 00:10:32,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:32,746 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:32,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:10:32,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:32,952 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:32,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:32,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2083213246, now seen corresponding path program 1 times [2023-11-29 00:10:32,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:32,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170843711] [2023-11-29 00:10:32,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:32,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 00:10:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 00:10:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 00:10:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-29 00:10:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 00:10:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 00:10:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 00:10:33,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:33,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170843711] [2023-11-29 00:10:33,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170843711] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:33,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138200015] [2023-11-29 00:10:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:33,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:33,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:33,555 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:33,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:10:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:34,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 3069 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:10:34,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-29 00:10:34,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:34,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138200015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:34,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:34,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-29 00:10:34,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205977030] [2023-11-29 00:10:34,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:34,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:10:34,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:34,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:10:34,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:34,103 INFO L87 Difference]: Start difference. First operand 127 states and 155 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:10:34,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:34,481 INFO L93 Difference]: Finished difference Result 235 states and 288 transitions. [2023-11-29 00:10:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:10:34,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 198 [2023-11-29 00:10:34,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:34,483 INFO L225 Difference]: With dead ends: 235 [2023-11-29 00:10:34,483 INFO L226 Difference]: Without dead ends: 129 [2023-11-29 00:10:34,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:10:34,484 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 11 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:34,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 728 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:10:34,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-29 00:10:34,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2023-11-29 00:10:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.155844155844156) internal successors, (89), 78 states have internal predecessors, (89), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:34,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2023-11-29 00:10:34,491 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 198 [2023-11-29 00:10:34,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:34,491 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2023-11-29 00:10:34,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:10:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2023-11-29 00:10:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-29 00:10:34,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:34,493 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:34,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 00:10:34,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 00:10:34,693 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:34,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:34,694 INFO L85 PathProgramCache]: Analyzing trace with hash -634256048, now seen corresponding path program 1 times [2023-11-29 00:10:34,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:34,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645657101] [2023-11-29 00:10:34,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:34,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:10:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:10:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 00:10:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 00:10:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:10:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:10:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 00:10:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-29 00:10:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-11-29 00:10:35,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:35,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645657101] [2023-11-29 00:10:35,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645657101] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:35,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877339355] [2023-11-29 00:10:35,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:35,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:35,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:35,651 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:35,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 00:10:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:36,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 3073 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:10:36,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-29 00:10:36,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:36,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877339355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:36,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:36,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2023-11-29 00:10:36,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584582730] [2023-11-29 00:10:36,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:36,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:10:36,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:36,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:10:36,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:10:36,291 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 00:10:36,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:36,611 INFO L93 Difference]: Finished difference Result 213 states and 267 transitions. [2023-11-29 00:10:36,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:10:36,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 200 [2023-11-29 00:10:36,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:36,613 INFO L225 Difference]: With dead ends: 213 [2023-11-29 00:10:36,613 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 00:10:36,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:10:36,614 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 4 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:36,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 641 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:10:36,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 00:10:36,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-29 00:10:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 78 states have internal predecessors, (88), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 153 transitions. [2023-11-29 00:10:36,622 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 153 transitions. Word has length 200 [2023-11-29 00:10:36,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:36,622 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 153 transitions. [2023-11-29 00:10:36,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 00:10:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 153 transitions. [2023-11-29 00:10:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-29 00:10:36,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:36,624 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:36,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 00:10:36,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 00:10:36,825 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:36,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:36,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1853256912, now seen corresponding path program 1 times [2023-11-29 00:10:36,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:36,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329991585] [2023-11-29 00:10:36,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:36,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:10:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:10:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 00:10:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 00:10:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:10:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 00:10:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 00:10:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 00:10:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 00:10:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:10:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 00:10:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-29 00:10:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:37,783 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 43 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-29 00:10:37,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:37,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329991585] [2023-11-29 00:10:37,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329991585] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:37,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116810188] [2023-11-29 00:10:37,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:37,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:37,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:37,786 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:37,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 00:10:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:38,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 3081 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:10:38,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-29 00:10:38,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:38,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116810188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:38,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:38,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-29 00:10:38,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073786375] [2023-11-29 00:10:38,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:38,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:10:38,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:38,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:10:38,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:38,342 INFO L87 Difference]: Start difference. First operand 127 states and 153 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 00:10:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:38,701 INFO L93 Difference]: Finished difference Result 213 states and 265 transitions. [2023-11-29 00:10:38,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:10:38,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 204 [2023-11-29 00:10:38,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:38,703 INFO L225 Difference]: With dead ends: 213 [2023-11-29 00:10:38,703 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 00:10:38,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:10:38,705 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 11 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:38,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 616 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:10:38,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 00:10:38,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-29 00:10:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.12987012987013) internal successors, (87), 78 states have internal predecessors, (87), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 152 transitions. [2023-11-29 00:10:38,714 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 152 transitions. Word has length 204 [2023-11-29 00:10:38,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:38,715 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 152 transitions. [2023-11-29 00:10:38,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 00:10:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 152 transitions. [2023-11-29 00:10:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-29 00:10:38,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:38,718 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:38,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 00:10:38,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 00:10:38,920 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:38,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:38,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1893456848, now seen corresponding path program 1 times [2023-11-29 00:10:38,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:38,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125570320] [2023-11-29 00:10:38,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:38,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:10:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:10:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 00:10:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:10:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 00:10:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-29 00:10:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-29 00:10:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 00:10:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 00:10:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 00:10:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 00:10:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 00:10:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-29 00:10:39,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:39,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125570320] [2023-11-29 00:10:39,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125570320] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:39,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140330113] [2023-11-29 00:10:39,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:39,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:39,802 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:39,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 00:10:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:40,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 3089 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:10:40,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 00:10:40,351 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:40,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140330113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:40,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:40,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-29 00:10:40,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519478145] [2023-11-29 00:10:40,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:40,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:10:40,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:40,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:10:40,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:40,353 INFO L87 Difference]: Start difference. First operand 127 states and 152 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 00:10:40,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:40,816 INFO L93 Difference]: Finished difference Result 213 states and 263 transitions. [2023-11-29 00:10:40,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:10:40,817 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 208 [2023-11-29 00:10:40,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:40,818 INFO L225 Difference]: With dead ends: 213 [2023-11-29 00:10:40,818 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 00:10:40,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:10:40,819 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 9 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:40,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 735 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:10:40,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 00:10:40,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-29 00:10:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 78 states have internal predecessors, (86), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 151 transitions. [2023-11-29 00:10:40,828 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 151 transitions. Word has length 208 [2023-11-29 00:10:40,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:40,829 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 151 transitions. [2023-11-29 00:10:40,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 00:10:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 151 transitions. [2023-11-29 00:10:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-29 00:10:40,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:40,831 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:40,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 00:10:41,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:41,031 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:41,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:41,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1445236560, now seen corresponding path program 1 times [2023-11-29 00:10:41,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:41,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323104242] [2023-11-29 00:10:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:41,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:10:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:10:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 00:10:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 00:10:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 00:10:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 00:10:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 00:10:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 00:10:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 00:10:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 00:10:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-29 00:10:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 00:10:41,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:41,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323104242] [2023-11-29 00:10:41,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323104242] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:41,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834257596] [2023-11-29 00:10:41,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:41,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:41,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:41,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:41,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 00:10:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:42,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 3097 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:10:42,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-29 00:10:42,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:42,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834257596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:42,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:10:42,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-29 00:10:42,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733081452] [2023-11-29 00:10:42,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:42,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:10:42,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:42,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:10:42,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:10:42,430 INFO L87 Difference]: Start difference. First operand 127 states and 151 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 00:10:42,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:42,836 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2023-11-29 00:10:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:10:42,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 212 [2023-11-29 00:10:42,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:42,837 INFO L225 Difference]: With dead ends: 213 [2023-11-29 00:10:42,837 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 00:10:42,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:10:42,838 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 7 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:42,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 610 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:10:42,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 00:10:42,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-29 00:10:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.103896103896104) internal successors, (85), 78 states have internal predecessors, (85), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:10:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2023-11-29 00:10:42,844 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 212 [2023-11-29 00:10:42,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:42,844 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2023-11-29 00:10:42,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 00:10:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2023-11-29 00:10:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 00:10:42,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:42,846 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:42,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 00:10:43,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:43,046 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:43,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1253836208, now seen corresponding path program 1 times [2023-11-29 00:10:43,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:43,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668467607] [2023-11-29 00:10:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:43,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:10:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:10:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:10:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:10:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 00:10:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 00:10:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:10:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:10:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 00:10:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 00:10:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-29 00:10:45,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:45,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668467607] [2023-11-29 00:10:45,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668467607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:45,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:10:45,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 00:10:45,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274219749] [2023-11-29 00:10:45,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:45,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 00:10:45,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:45,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 00:10:45,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:10:45,596 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand has 16 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 8 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2023-11-29 00:10:47,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:47,600 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2023-11-29 00:10:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 00:10:47,600 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 8 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) Word has length 216 [2023-11-29 00:10:47,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:47,602 INFO L225 Difference]: With dead ends: 151 [2023-11-29 00:10:47,602 INFO L226 Difference]: Without dead ends: 149 [2023-11-29 00:10:47,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2023-11-29 00:10:47,603 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 295 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:47,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 263 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 00:10:47,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-29 00:10:47,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 137. [2023-11-29 00:10:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 84 states have (on average 1.1071428571428572) internal successors, (93), 86 states have internal predecessors, (93), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (34), 33 states have call predecessors, (34), 33 states have call successors, (34) [2023-11-29 00:10:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 161 transitions. [2023-11-29 00:10:47,617 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 161 transitions. Word has length 216 [2023-11-29 00:10:47,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:47,618 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 161 transitions. [2023-11-29 00:10:47,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 8 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2023-11-29 00:10:47,618 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2023-11-29 00:10:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 00:10:47,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:47,620 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 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, 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] [2023-11-29 00:10:47,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:10:47,621 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:47,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:47,621 INFO L85 PathProgramCache]: Analyzing trace with hash 301156977, now seen corresponding path program 1 times [2023-11-29 00:10:47,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:47,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419034483] [2023-11-29 00:10:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:10:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:10:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:10:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:10:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:10:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:10:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:10:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:10:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:10:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:10:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 00:10:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 00:10:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:10:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:10:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:10:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:10:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 00:10:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 00:10:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-29 00:10:48,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:48,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419034483] [2023-11-29 00:10:48,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419034483] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:10:48,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141305392] [2023-11-29 00:10:48,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:48,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:10:48,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:48,520 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:10:48,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 00:10:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:49,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 3124 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-29 00:10:49,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:49,295 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 [2023-11-29 00:10:49,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 24 treesize of output 19 [2023-11-29 00:10:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 195 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:10:50,955 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:10:59,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 78 [2023-11-29 00:11:00,075 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-29 00:11:00,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141305392] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:11:00,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:11:00,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 20, 16] total 38 [2023-11-29 00:11:00,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264345057] [2023-11-29 00:11:00,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:11:00,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-11-29 00:11:00,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:11:00,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-11-29 00:11:00,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1270, Unknown=2, NotChecked=0, Total=1406 [2023-11-29 00:11:00,079 INFO L87 Difference]: Start difference. First operand 137 states and 161 transitions. Second operand has 38 states, 28 states have (on average 6.535714285714286) internal successors, (183), 30 states have internal predecessors, (183), 17 states have call successors, (69), 7 states have call predecessors, (69), 15 states have return successors, (70), 19 states have call predecessors, (70), 17 states have call successors, (70) [2023-11-29 00:11:05,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:09,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:13,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:19,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:23,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:27,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:31,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:35,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:42,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:46,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:50,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:54,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:11:58,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:02,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:06,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:10,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:14,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:19,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:23,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:27,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:28,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:12:28,462 INFO L93 Difference]: Finished difference Result 356 states and 416 transitions. [2023-11-29 00:12:28,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 00:12:28,462 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 28 states have (on average 6.535714285714286) internal successors, (183), 30 states have internal predecessors, (183), 17 states have call successors, (69), 7 states have call predecessors, (69), 15 states have return successors, (70), 19 states have call predecessors, (70), 17 states have call successors, (70) Word has length 217 [2023-11-29 00:12:28,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:12:28,464 INFO L225 Difference]: With dead ends: 356 [2023-11-29 00:12:28,464 INFO L226 Difference]: Without dead ends: 263 [2023-11-29 00:12:28,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 466 SyntacticMatches, 12 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1014 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=460, Invalid=3960, Unknown=2, NotChecked=0, Total=4422 [2023-11-29 00:12:28,466 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 495 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 4014 mSolverCounterSat, 338 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 4381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 4014 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:12:28,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 480 Invalid, 4381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 4014 Invalid, 29 Unknown, 0 Unchecked, 86.9s Time] [2023-11-29 00:12:28,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-11-29 00:12:28,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 253. [2023-11-29 00:12:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 160 states have (on average 1.1125) internal successors, (178), 163 states have internal predecessors, (178), 57 states have call successors, (57), 32 states have call predecessors, (57), 35 states have return successors, (59), 57 states have call predecessors, (59), 54 states have call successors, (59) [2023-11-29 00:12:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 294 transitions. [2023-11-29 00:12:28,495 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 294 transitions. Word has length 217 [2023-11-29 00:12:28,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:12:28,495 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 294 transitions. [2023-11-29 00:12:28,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 28 states have (on average 6.535714285714286) internal successors, (183), 30 states have internal predecessors, (183), 17 states have call successors, (69), 7 states have call predecessors, (69), 15 states have return successors, (70), 19 states have call predecessors, (70), 17 states have call successors, (70) [2023-11-29 00:12:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 294 transitions. [2023-11-29 00:12:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 00:12:28,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:12:28,498 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2023-11-29 00:12:28,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 00:12:28,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:12:28,698 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:12:28,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:12:28,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1644367826, now seen corresponding path program 1 times [2023-11-29 00:12:28,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:12:28,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146306214] [2023-11-29 00:12:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:12:28,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:12:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:12:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:12:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:12:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:12:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:12:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:12:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:12:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:12:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:12:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:12:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:12:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:12:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 00:12:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 00:12:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:12:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:12:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:12:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 00:12:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 00:12:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-29 00:12:29,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:12:29,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146306214] [2023-11-29 00:12:29,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146306214] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:12:29,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812291416] [2023-11-29 00:12:29,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:12:29,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:12:29,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:12:29,492 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:12:29,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 00:12:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:30,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 00:12:30,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:12:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-11-29 00:12:30,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:12:30,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2023-11-29 00:12:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 00:12:30,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812291416] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:12:30,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:12:30,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 13] total 25 [2023-11-29 00:12:30,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172447086] [2023-11-29 00:12:30,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:12:30,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 00:12:30,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:12:30,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 00:12:30,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:12:30,746 INFO L87 Difference]: Start difference. First operand 253 states and 294 transitions. Second operand has 25 states, 21 states have (on average 6.476190476190476) internal successors, (136), 20 states have internal predecessors, (136), 6 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 8 states have call predecessors, (52), 5 states have call successors, (52) [2023-11-29 00:12:33,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:12:33,916 INFO L93 Difference]: Finished difference Result 470 states and 555 transitions. [2023-11-29 00:12:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 00:12:33,917 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 6.476190476190476) internal successors, (136), 20 states have internal predecessors, (136), 6 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 8 states have call predecessors, (52), 5 states have call successors, (52) Word has length 218 [2023-11-29 00:12:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:12:33,919 INFO L225 Difference]: With dead ends: 470 [2023-11-29 00:12:33,919 INFO L226 Difference]: Without dead ends: 269 [2023-11-29 00:12:33,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 00:12:33,921 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 145 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 2409 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 2497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:12:33,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 700 Invalid, 2497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2409 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 00:12:33,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-11-29 00:12:33,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 254. [2023-11-29 00:12:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 161 states have (on average 1.1055900621118013) internal successors, (178), 164 states have internal predecessors, (178), 57 states have call successors, (57), 32 states have call predecessors, (57), 35 states have return successors, (59), 57 states have call predecessors, (59), 54 states have call successors, (59) [2023-11-29 00:12:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 294 transitions. [2023-11-29 00:12:33,941 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 294 transitions. Word has length 218 [2023-11-29 00:12:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:12:33,941 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 294 transitions. [2023-11-29 00:12:33,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 6.476190476190476) internal successors, (136), 20 states have internal predecessors, (136), 6 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 8 states have call predecessors, (52), 5 states have call successors, (52) [2023-11-29 00:12:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 294 transitions. [2023-11-29 00:12:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 00:12:33,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:12:33,943 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2023-11-29 00:12:33,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 00:12:34,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:12:34,143 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:12:34,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:12:34,144 INFO L85 PathProgramCache]: Analyzing trace with hash 308845141, now seen corresponding path program 1 times [2023-11-29 00:12:34,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:12:34,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954276987] [2023-11-29 00:12:34,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:12:34,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:12:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:12:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:12:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:12:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 00:12:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 00:12:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:12:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:12:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:12:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:12:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:12:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:12:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:12:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 00:12:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 00:12:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:12:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:12:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 00:12:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:12:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 00:12:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:34,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 00:12:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-29 00:12:35,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:12:35,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954276987] [2023-11-29 00:12:35,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954276987] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:12:35,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908421334] [2023-11-29 00:12:35,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:12:35,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:12:35,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:12:35,127 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:12:35,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 00:12:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:35,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 3152 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 00:12:35,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:12:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-11-29 00:12:35,823 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:12:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908421334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:12:35,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:12:35,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 00:12:35,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630323325] [2023-11-29 00:12:35,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:12:35,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:12:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:12:35,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:12:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:12:35,825 INFO L87 Difference]: Start difference. First operand 254 states and 294 transitions. Second operand has 8 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-29 00:12:36,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:12:36,287 INFO L93 Difference]: Finished difference Result 318 states and 364 transitions. [2023-11-29 00:12:36,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:12:36,288 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 219 [2023-11-29 00:12:36,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:12:36,289 INFO L225 Difference]: With dead ends: 318 [2023-11-29 00:12:36,289 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 00:12:36,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:12:36,290 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:12:36,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 506 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:12:36,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 00:12:36,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 00:12:36,292 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) [2023-11-29 00:12:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 00:12:36,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2023-11-29 00:12:36,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:12:36,292 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 00:12:36,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-29 00:12:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 00:12:36,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 00:12:36,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-29 00:12:36,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-29 00:12:36,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 00:12:36,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 00:12:36,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 00:12:37,014 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6870 6875) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= 194 |~#s_can_fail_allocator_static~0.base|))) [2023-11-29 00:12:37,014 INFO L899 garLoopResultBuilder]: For program point L6871-1(lines 6871 6873) no Hoare annotation was computed. [2023-11-29 00:12:37,014 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6870 6875) no Hoare annotation was computed. [2023-11-29 00:12:37,014 INFO L895 garLoopResultBuilder]: At program point L6871(lines 6871 6873) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= 194 |~#s_can_fail_allocator_static~0.base|))) [2023-11-29 00:12:37,014 INFO L899 garLoopResultBuilder]: For program point nondet_size_tEXIT(line 263) no Hoare annotation was computed. [2023-11-29 00:12:37,014 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 263) the Hoare annotation is: true [2023-11-29 00:12:37,014 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-29 00:12:37,015 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-29 00:12:37,015 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2023-11-29 00:12:37,015 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5733 5748) no Hoare annotation was computed. [2023-11-29 00:12:37,015 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5733 5748) no Hoare annotation was computed. [2023-11-29 00:12:37,015 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5733 5748) the Hoare annotation is: true [2023-11-29 00:12:37,015 INFO L899 garLoopResultBuilder]: For program point L5734(lines 5734 5747) no Hoare annotation was computed. [2023-11-29 00:12:37,015 INFO L899 garLoopResultBuilder]: For program point L5743(line 5743) no Hoare annotation was computed. [2023-11-29 00:12:37,015 INFO L899 garLoopResultBuilder]: For program point L5745(line 5745) no Hoare annotation was computed. [2023-11-29 00:12:37,015 INFO L899 garLoopResultBuilder]: For program point L5739(line 5739) no Hoare annotation was computed. [2023-11-29 00:12:37,015 INFO L899 garLoopResultBuilder]: For program point L5741(line 5741) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point L5735(line 5735) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point L5737(line 5737) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-29 00:12:37,016 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5779 5782) the Hoare annotation is: true [2023-11-29 00:12:37,016 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5779 5782) no Hoare annotation was computed. [2023-11-29 00:12:37,017 INFO L895 garLoopResultBuilder]: At program point L5781(line 5781) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30| Int)) (let ((.cse1 (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= .cse0 (select .cse1 32))))))) (= 5 aws_atomic_load_ptr_explicit_~memory_order) (not (= 194 |~#s_can_fail_allocator_static~0.base|)) (not (= 5 |aws_atomic_load_ptr_explicit_#in~memory_order|))) [2023-11-29 00:12:37,017 INFO L899 garLoopResultBuilder]: For program point L5781-1(line 5781) no Hoare annotation was computed. [2023-11-29 00:12:37,017 INFO L899 garLoopResultBuilder]: For program point L7057-2(lines 7049 7062) no Hoare annotation was computed. [2023-11-29 00:12:37,017 INFO L899 garLoopResultBuilder]: For program point L7057(lines 7057 7061) no Hoare annotation was computed. [2023-11-29 00:12:37,018 INFO L902 garLoopResultBuilder]: At program point L7050(lines 7050 7052) the Hoare annotation is: true [2023-11-29 00:12:37,018 INFO L899 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7049 7062) no Hoare annotation was computed. [2023-11-29 00:12:37,018 INFO L899 garLoopResultBuilder]: For program point L7053-1(lines 7053 7055) no Hoare annotation was computed. [2023-11-29 00:12:37,018 INFO L902 garLoopResultBuilder]: At program point L7053(lines 7053 7055) the Hoare annotation is: true [2023-11-29 00:12:37,018 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7049 7062) the Hoare annotation is: true [2023-11-29 00:12:37,018 INFO L899 garLoopResultBuilder]: For program point L7050-1(lines 7050 7052) no Hoare annotation was computed. [2023-11-29 00:12:37,018 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#5EXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,018 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-29 00:12:37,018 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-29 00:12:37,019 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,019 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#4EXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,019 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,019 INFO L899 garLoopResultBuilder]: For program point L6032-2(line 6032) no Hoare annotation was computed. [2023-11-29 00:12:37,019 INFO L899 garLoopResultBuilder]: For program point L6032(line 6032) no Hoare annotation was computed. [2023-11-29 00:12:37,019 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6027 6033) no Hoare annotation was computed. [2023-11-29 00:12:37,019 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6027 6033) the Hoare annotation is: true [2023-11-29 00:12:37,019 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#6EXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5626 5629) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L902 garLoopResultBuilder]: At program point L5628(line 5628) the Hoare annotation is: true [2023-11-29 00:12:37,020 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5626 5629) the Hoare annotation is: true [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5626 5629) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#1EXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#0EXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,020 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,021 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,021 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#3EXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,021 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,021 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,021 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#2EXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,021 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,021 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5795 5798) the Hoare annotation is: true [2023-11-29 00:12:37,021 INFO L895 garLoopResultBuilder]: At program point L5797(line 5797) the Hoare annotation is: (or (= 5 aws_atomic_store_ptr_explicit_~memory_order) (not (= 194 |~#s_can_fail_allocator_static~0.base|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_24| Int)) (= (select (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_24|) 8) 0)) (not (= 5 |aws_atomic_store_ptr_explicit_#in~memory_order|))) [2023-11-29 00:12:37,021 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5795 5798) no Hoare annotation was computed. [2023-11-29 00:12:37,021 INFO L899 garLoopResultBuilder]: For program point L5797-1(line 5797) no Hoare annotation was computed. [2023-11-29 00:12:37,022 INFO L899 garLoopResultBuilder]: For program point L5612-1(line 5612) no Hoare annotation was computed. [2023-11-29 00:12:37,022 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5610 5613) no Hoare annotation was computed. [2023-11-29 00:12:37,022 INFO L902 garLoopResultBuilder]: At program point L5612(line 5612) the Hoare annotation is: true [2023-11-29 00:12:37,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5610 5613) the Hoare annotation is: true [2023-11-29 00:12:37,022 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-29 00:12:37,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-29 00:12:37,022 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-29 00:12:37,022 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-29 00:12:37,022 INFO L899 garLoopResultBuilder]: For program point L6064-2(line 6064) no Hoare annotation was computed. [2023-11-29 00:12:37,022 INFO L899 garLoopResultBuilder]: For program point L6064(line 6064) no Hoare annotation was computed. [2023-11-29 00:12:37,022 INFO L899 garLoopResultBuilder]: For program point L6060-1(line 6060) no Hoare annotation was computed. [2023-11-29 00:12:37,023 INFO L895 garLoopResultBuilder]: At program point L6060(line 6060) the Hoare annotation is: (let ((.cse2 (= aws_ring_buffer_is_valid_~head~1.base 0)) (.cse3 (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|)) (.cse4 (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30| Int)) (let ((.cse1 (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= .cse0 (select .cse1 32))))))) (and .cse2 .cse3 .cse4 (= (select (select |#memory_$Pointer$#5.base| |aws_ring_buffer_is_valid_#in~ring_buf.base|) (+ 8 |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) 0)) (and .cse2 .cse3 (= aws_ring_buffer_is_valid_~head_in_range~0 0) .cse4) (not (= 194 |~#s_can_fail_allocator_static~0.base|)))) [2023-11-29 00:12:37,023 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6050 6069) the Hoare annotation is: true [2023-11-29 00:12:37,023 INFO L895 garLoopResultBuilder]: At program point L6054(line 6054) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30| Int)) (let ((.cse1 (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= .cse0 (select .cse1 32))))))) (not (= 194 |~#s_can_fail_allocator_static~0.base|))) [2023-11-29 00:12:37,023 INFO L899 garLoopResultBuilder]: For program point L6054-1(line 6054) no Hoare annotation was computed. [2023-11-29 00:12:37,023 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6050 6069) no Hoare annotation was computed. [2023-11-29 00:12:37,023 INFO L899 garLoopResultBuilder]: For program point L6065-3(line 6065) no Hoare annotation was computed. [2023-11-29 00:12:37,023 INFO L899 garLoopResultBuilder]: For program point L6065(line 6065) no Hoare annotation was computed. [2023-11-29 00:12:37,023 INFO L899 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2023-11-29 00:12:37,023 INFO L899 garLoopResultBuilder]: For program point L6065-6(lines 6065 6068) no Hoare annotation was computed. [2023-11-29 00:12:37,024 INFO L899 garLoopResultBuilder]: For program point L6065-5(line 6065) no Hoare annotation was computed. [2023-11-29 00:12:37,024 INFO L895 garLoopResultBuilder]: At program point L6057(line 6057) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30| Int)) (let ((.cse1 (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= .cse0 (select .cse1 32))))))) (not (= 194 |~#s_can_fail_allocator_static~0.base|))) [2023-11-29 00:12:37,024 INFO L899 garLoopResultBuilder]: For program point L6065-8(lines 6065 6068) no Hoare annotation was computed. [2023-11-29 00:12:37,024 INFO L899 garLoopResultBuilder]: For program point L6057-1(line 6057) no Hoare annotation was computed. [2023-11-29 00:12:37,024 INFO L895 garLoopResultBuilder]: At program point L6053(line 6053) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30| Int)) (let ((.cse1 (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_30|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= .cse0 (select .cse1 32))))))) (not (= 194 |~#s_can_fail_allocator_static~0.base|))) [2023-11-29 00:12:37,024 INFO L899 garLoopResultBuilder]: For program point L6053-1(line 6053) no Hoare annotation was computed. [2023-11-29 00:12:37,024 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6877 6879) the Hoare annotation is: true [2023-11-29 00:12:37,024 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6877 6879) no Hoare annotation was computed. [2023-11-29 00:12:37,025 INFO L895 garLoopResultBuilder]: At program point L9181(line 9181) the Hoare annotation is: false [2023-11-29 00:12:37,025 INFO L899 garLoopResultBuilder]: For program point L9181-1(line 9181) no Hoare annotation was computed. [2023-11-29 00:12:37,025 INFO L895 garLoopResultBuilder]: At program point L6609-1(line 6609) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$#5.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|))) (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= 194 (select .cse0 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (not (= (select .cse0 8) 0)))) [2023-11-29 00:12:37,025 INFO L895 garLoopResultBuilder]: At program point L8587(line 8587) the Hoare annotation is: false [2023-11-29 00:12:37,025 INFO L895 garLoopResultBuilder]: At program point L6609(line 6609) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$#5.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|))) (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= 194 (select .cse0 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (not (= (select .cse0 8) 0)))) [2023-11-29 00:12:37,025 INFO L895 garLoopResultBuilder]: At program point L8587-1(line 8587) the Hoare annotation is: false [2023-11-29 00:12:37,025 INFO L899 garLoopResultBuilder]: For program point L6605-1(line 6605) no Hoare annotation was computed. [2023-11-29 00:12:37,025 INFO L895 garLoopResultBuilder]: At program point L6605(line 6605) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|)) [2023-11-29 00:12:37,026 INFO L899 garLoopResultBuilder]: For program point L8587-2(line 8587) no Hoare annotation was computed. [2023-11-29 00:12:37,026 INFO L895 garLoopResultBuilder]: At program point L9182-1(line 9182) the Hoare annotation is: false [2023-11-29 00:12:37,026 INFO L899 garLoopResultBuilder]: For program point L9182-2(line 9182) no Hoare annotation was computed. [2023-11-29 00:12:37,026 INFO L895 garLoopResultBuilder]: At program point L9182(line 9182) the Hoare annotation is: false [2023-11-29 00:12:37,026 INFO L895 garLoopResultBuilder]: At program point L9174-1(line 9174) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$#5.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_#t~ret1356#1| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (not (= .cse0 0)) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= .cse0 (select .cse1 32)) (= 194 |~#s_can_fail_allocator_static~0.base|) (= 194 (select .cse1 0))))) [2023-11-29 00:12:37,026 INFO L899 garLoopResultBuilder]: For program point L9174-2(line 9174) no Hoare annotation was computed. [2023-11-29 00:12:37,026 INFO L895 garLoopResultBuilder]: At program point L9170(line 9170) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|)) [2023-11-29 00:12:37,026 INFO L899 garLoopResultBuilder]: For program point L6610(line 6610) no Hoare annotation was computed. [2023-11-29 00:12:37,027 INFO L895 garLoopResultBuilder]: At program point L9174(line 9174) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$#5.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (not (= .cse0 0)) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= .cse0 (select .cse1 32)) (= 194 |~#s_can_fail_allocator_static~0.base|) (= 194 (select .cse1 0))))) [2023-11-29 00:12:37,027 INFO L895 garLoopResultBuilder]: At program point L6606(line 6606) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= 194 (select (select |#memory_$Pointer$#5.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|)) [2023-11-29 00:12:37,027 INFO L899 garLoopResultBuilder]: For program point L8588(lines 8588 8590) no Hoare annotation was computed. [2023-11-29 00:12:37,027 INFO L899 garLoopResultBuilder]: For program point L9170-1(line 9170) no Hoare annotation was computed. [2023-11-29 00:12:37,027 INFO L899 garLoopResultBuilder]: For program point L8592(line 8592) no Hoare annotation was computed. [2023-11-29 00:12:37,027 INFO L899 garLoopResultBuilder]: For program point L8592-1(line 8592) no Hoare annotation was computed. [2023-11-29 00:12:37,027 INFO L899 garLoopResultBuilder]: For program point L6606-1(line 6606) no Hoare annotation was computed. [2023-11-29 00:12:37,027 INFO L895 garLoopResultBuilder]: At program point L8592-2(line 8592) the Hoare annotation is: false [2023-11-29 00:12:37,027 INFO L899 garLoopResultBuilder]: For program point L9183-2(line 9183) no Hoare annotation was computed. [2023-11-29 00:12:37,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,028 INFO L895 garLoopResultBuilder]: At program point L9183(line 9183) the Hoare annotation is: false [2023-11-29 00:12:37,028 INFO L895 garLoopResultBuilder]: At program point L9183-1(line 9183) the Hoare annotation is: false [2023-11-29 00:12:37,028 INFO L899 garLoopResultBuilder]: For program point L6611-1(line 6611) no Hoare annotation was computed. [2023-11-29 00:12:37,028 INFO L895 garLoopResultBuilder]: At program point L6611(line 6611) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$#5.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|))) (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= 194 (select .cse0 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (not (= (select .cse0 8) 0)))) [2023-11-29 00:12:37,028 INFO L899 garLoopResultBuilder]: For program point L6607-1(line 6607) no Hoare annotation was computed. [2023-11-29 00:12:37,028 INFO L895 garLoopResultBuilder]: At program point L8589(line 8589) the Hoare annotation is: false [2023-11-29 00:12:37,028 INFO L895 garLoopResultBuilder]: At program point L6607(line 6607) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$#5.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|))) (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= 194 (select .cse0 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (not (= (select .cse0 8) 0)))) [2023-11-29 00:12:37,029 INFO L899 garLoopResultBuilder]: For program point L8589-1(line 8589) no Hoare annotation was computed. [2023-11-29 00:12:37,029 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:12:37,029 INFO L895 garLoopResultBuilder]: At program point L9180(line 9180) the Hoare annotation is: false [2023-11-29 00:12:37,029 INFO L899 garLoopResultBuilder]: For program point L9180-1(line 9180) no Hoare annotation was computed. [2023-11-29 00:12:37,029 INFO L895 garLoopResultBuilder]: At program point L9184(line 9184) the Hoare annotation is: false [2023-11-29 00:12:37,029 INFO L899 garLoopResultBuilder]: For program point L9184-1(line 9184) no Hoare annotation was computed. [2023-11-29 00:12:37,030 INFO L899 garLoopResultBuilder]: For program point L6612-1(line 6612) no Hoare annotation was computed. [2023-11-29 00:12:37,030 INFO L895 garLoopResultBuilder]: At program point L6612(line 6612) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$#5.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|))) (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= 194 (select .cse0 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (not (= (select .cse0 8) 0)))) [2023-11-29 00:12:37,030 INFO L899 garLoopResultBuilder]: For program point L6608-1(line 6608) no Hoare annotation was computed. [2023-11-29 00:12:37,030 INFO L895 garLoopResultBuilder]: At program point L6608(line 6608) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$#5.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|))) (and (<= 2 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (= 194 (select .cse0 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (not (= (select .cse0 8) 0)))) [2023-11-29 00:12:37,030 INFO L899 garLoopResultBuilder]: For program point L8586(lines 8586 8593) no Hoare annotation was computed. [2023-11-29 00:12:37,033 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:12:37,035 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:12:37,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:12:37 BoogieIcfgContainer [2023-11-29 00:12:37,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:12:37,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:12:37,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:12:37,044 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:12:37,045 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:16" (3/4) ... [2023-11-29 00:12:37,046 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:12:37,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-29 00:12:37,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2023-11-29 00:12:37,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2023-11-29 00:12:37,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2023-11-29 00:12:37,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-29 00:12:37,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2023-11-29 00:12:37,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-29 00:12:37,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2023-11-29 00:12:37,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-29 00:12:37,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2023-11-29 00:12:37,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2023-11-29 00:12:37,067 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2023-11-29 00:12:37,069 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2023-11-29 00:12:37,071 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-29 00:12:37,072 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-29 00:12:37,074 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 00:12:37,075 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 00:12:37,077 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 00:12:37,079 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:12:37,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:12:37,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:12:37,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:12:37,660 INFO L158 Benchmark]: Toolchain (without parser) took 145934.19ms. Allocated memory was 165.7MB in the beginning and 851.4MB in the end (delta: 685.8MB). Free memory was 134.7MB in the beginning and 259.7MB in the end (delta: -125.1MB). Peak memory consumption was 560.3MB. Max. memory is 16.1GB. [2023-11-29 00:12:37,660 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:12:37,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2486.43ms. Allocated memory was 165.7MB in the beginning and 230.7MB in the end (delta: 65.0MB). Free memory was 134.7MB in the beginning and 113.2MB in the end (delta: 21.4MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2023-11-29 00:12:37,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.88ms. Allocated memory is still 230.7MB. Free memory was 113.2MB in the beginning and 164.2MB in the end (delta: -51.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-29 00:12:37,661 INFO L158 Benchmark]: Boogie Preprocessor took 152.58ms. Allocated memory is still 230.7MB. Free memory was 164.2MB in the beginning and 147.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 00:12:37,661 INFO L158 Benchmark]: RCFGBuilder took 1647.27ms. Allocated memory is still 230.7MB. Free memory was 147.4MB in the beginning and 131.8MB in the end (delta: 15.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-11-29 00:12:37,662 INFO L158 Benchmark]: TraceAbstraction took 140845.68ms. Allocated memory was 230.7MB in the beginning and 851.4MB in the end (delta: 620.8MB). Free memory was 131.8MB in the beginning and 392.9MB in the end (delta: -261.0MB). Peak memory consumption was 358.7MB. Max. memory is 16.1GB. [2023-11-29 00:12:37,662 INFO L158 Benchmark]: Witness Printer took 615.28ms. Allocated memory is still 851.4MB. Free memory was 392.9MB in the beginning and 259.7MB in the end (delta: 133.2MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2023-11-29 00:12:37,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2486.43ms. Allocated memory was 165.7MB in the beginning and 230.7MB in the end (delta: 65.0MB). Free memory was 134.7MB in the beginning and 113.2MB in the end (delta: 21.4MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.88ms. Allocated memory is still 230.7MB. Free memory was 113.2MB in the beginning and 164.2MB in the end (delta: -51.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 152.58ms. Allocated memory is still 230.7MB. Free memory was 164.2MB in the beginning and 147.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1647.27ms. Allocated memory is still 230.7MB. Free memory was 147.4MB in the beginning and 131.8MB in the end (delta: 15.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * TraceAbstraction took 140845.68ms. Allocated memory was 230.7MB in the beginning and 851.4MB in the end (delta: 620.8MB). Free memory was 131.8MB in the beginning and 392.9MB in the end (delta: -261.0MB). Peak memory consumption was 358.7MB. Max. memory is 16.1GB. * Witness Printer took 615.28ms. Allocated memory is still 851.4MB. Free memory was 392.9MB in the beginning and 259.7MB in the end (delta: 133.2MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8237]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] - GenericResultAtLocation [Line: 8963]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] * 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 22 procedures, 143 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 140.8s, OverallIterations: 18, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 100.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 29 mSolverCounterUnknown, 1454 SdHoareTripleChecker+Valid, 97.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1346 mSDsluCounter, 9318 SdHoareTripleChecker+Invalid, 96.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7526 mSDsCounter, 763 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10401 IncrementalHoareTripleChecker+Invalid, 11193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 763 mSolverCounterUnsat, 1792 mSDtfsCounter, 10401 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4591 GetRequests, 4269 SyntacticMatches, 12 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1480 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=17, InterpolantAutomatonStates: 173, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 53 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 686 PreInvPairs, 698 NumberOfFragments, 580 HoareAnnotationTreeSize, 686 FomulaSimplifications, 51 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 775 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 26.9s InterpolantComputationTime, 6047 NumberOfCodeBlocks, 6047 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 6448 ConstructedInterpolants, 108 QuantifiedInterpolants, 10632 SizeOfPredicates, 55 NumberOfNonLiveVariables, 43107 ConjunctsInSsa, 214 ConjunctsInUnsatCore, 34 InterpolantComputations, 16 PerfectInterpolantSequences, 6627/7022 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: 8592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 00:12:37,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c916f88b-8ee1-44df-919d-27d5c365aadd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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