./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a1b15a50745e0ba8bc663ecf7914875a5f4007e6617ab86ad1f64de01b489750 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:54,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:54,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:33:54,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:54,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:54,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:54,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:54,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:54,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:54,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:54,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:54,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:54,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:54,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:54,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:54,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:54,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:54,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:54,318 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:54,319 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:54,320 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:54,320 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:54,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:54,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:54,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:54,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:54,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:54,324 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:54,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:54,325 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:54,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1b15a50745e0ba8bc663ecf7914875a5f4007e6617ab86ad1f64de01b489750 [2023-11-21 18:33:54,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:54,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:54,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:54,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:54,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:54,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2023-11-21 18:33:57,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:58,589 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:58,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2023-11-21 18:33:58,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/data/42687c049/46364624ce104baea5a129ad99be184f/FLAGd6a729a67 [2023-11-21 18:33:58,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/data/42687c049/46364624ce104baea5a129ad99be184f [2023-11-21 18:33:58,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:58,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:58,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:58,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:58,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:58,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:58" (1/1) ... [2023-11-21 18:33:58,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcb67d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:58, skipping insertion in model container [2023-11-21 18:33:58,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:58" (1/1) ... [2023-11-21 18:33:58,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:59,183 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_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2023-11-21 18:33:59,191 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_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2023-11-21 18:34:00,358 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,359 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,366 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,386 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,386 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,389 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,390 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:00,872 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:34:00,873 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:34:00,875 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:34:00,878 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:34:00,880 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:34:00,881 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:34:00,882 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:34:00,883 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:34:00,885 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:34:00,887 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:34:01,251 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,254 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:01,494 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:01,519 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_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2023-11-21 18:34:01,520 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_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2023-11-21 18:34:01,653 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,654 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,654 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,655 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,655 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,670 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,671 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,672 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,672 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,712 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:34:01,713 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:34:01,714 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:34:01,723 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:34:01,725 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:34:01,726 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:34:01,727 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:34:01,728 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:34:01,728 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:34:01,729 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:34:01,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-11-21 18:34:01,851 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,851 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:34:01,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2023-11-21 18:34:01,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:02,192 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,192 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,192 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,193 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,193 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,193 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,193 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,193 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,194 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,194 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,194 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,194 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,194 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,195 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,195 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,195 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,195 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,195 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:02,223 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:02,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02 WrapperNode [2023-11-21 18:34:02,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:02,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:02,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:02,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:02,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,504 INFO L138 Inliner]: procedures = 694, calls = 2926, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1196 [2023-11-21 18:34:02,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:02,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:02,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:02,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:02,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:02,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:02,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:02,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:02,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:02" (1/1) ... [2023-11-21 18:34:02,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:02,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:02,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:02,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad57166-deab-4c0c-b2e0-61b3fcfc4f7a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-21 18:34:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-21 18:34:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-21 18:34:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-21 18:34:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:34:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 18:34:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 18:34:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-21 18:34:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-21 18:34:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:34:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 18:34:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 18:34:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:34:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:34:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:34:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:34:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-21 18:34:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-21 18:34:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 18:34:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 18:34:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-21 18:34:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-21 18:34:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:34:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:34:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2023-11-21 18:34:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2023-11-21 18:34:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:34:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:34:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:34:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-21 18:34:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-21 18:34:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2023-11-21 18:34:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2023-11-21 18:34:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 18:34:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 18:34:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2023-11-21 18:34:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2023-11-21 18:34:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2023-11-21 18:34:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2023-11-21 18:34:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-21 18:34:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-21 18:34:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:34:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-21 18:34:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-21 18:34:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-21 18:34:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-21 18:34:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2023-11-21 18:34:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2023-11-21 18:34:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-21 18:34:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-21 18:34:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:34:03,257 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:03,260 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:05,300 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:05,673 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:05,673 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:34:05,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:05 BoogieIcfgContainer [2023-11-21 18:34:05,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:05,677 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:05,677 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:05,688 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:05,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:05" (1/1) ... [2023-11-21 18:34:05,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 342 states and 501 transitions. [2023-11-21 18:34:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 501 transitions. [2023-11-21 18:34:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:34:05,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:05,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:34:07,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 350 states and 513 transitions. [2023-11-21 18:34:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 513 transitions. [2023-11-21 18:34:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:34:07,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 354 states and 528 transitions. [2023-11-21 18:34:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 528 transitions. [2023-11-21 18:34:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:34:09,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:10,265 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 358 states and 542 transitions. [2023-11-21 18:34:11,004 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 542 transitions. [2023-11-21 18:34:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:34:11,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:12,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 362 states and 556 transitions. [2023-11-21 18:34:12,546 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 556 transitions. [2023-11-21 18:34:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:34:12,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:12,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:14,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 366 states and 570 transitions. [2023-11-21 18:34:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 570 transitions. [2023-11-21 18:34:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:34:14,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:34:14,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 368 states and 572 transitions. [2023-11-21 18:34:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 572 transitions. [2023-11-21 18:34:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-21 18:34:14,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-21 18:34:17,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 373 states and 582 transitions. [2023-11-21 18:34:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 582 transitions. [2023-11-21 18:34:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-21 18:34:17,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:17,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-21 18:34:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 373 states and 577 transitions. [2023-11-21 18:34:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 577 transitions. [2023-11-21 18:34:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-21 18:34:19,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:19,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked.