./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/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_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC --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 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:18,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:19,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:12:19,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:19,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:19,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:19,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:19,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:19,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:19,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:19,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:19,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:19,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:19,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:19,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:19,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:19,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:19,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:19,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:19,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:19,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:19,148 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:19,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:19,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:19,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:19,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:19,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:19,150 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:19,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:19,151 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:19,152 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_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2023-11-23 20:12:19,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:19,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:19,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:19,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:19,565 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:19,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2023-11-23 20:12:22,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:23,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:23,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2023-11-23 20:12:23,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/data/958fc3086/c99c76e2530044448a22a8c488fa2f02/FLAGf518fc2d3 [2023-11-23 20:12:23,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/data/958fc3086/c99c76e2530044448a22a8c488fa2f02 [2023-11-23 20:12:23,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:23,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:23,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:23,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:23,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:23,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:23" (1/1) ... [2023-11-23 20:12:23,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20034b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:23, skipping insertion in model container [2023-11-23 20:12:23,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:23" (1/1) ... [2023-11-23 20:12:23,557 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:23,878 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_4c738424-e105-4b39-b0a7-138399e60764/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2023-11-23 20:12:23,889 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_4c738424-e105-4b39-b0a7-138399e60764/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2023-11-23 20:12:25,309 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,310 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,311 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,312 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,314 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,344 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,349 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,352 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,356 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:25,973 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:12:25,975 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:12:25,976 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:12:25,977 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:12:25,979 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:12:25,980 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:12:25,981 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:12:25,989 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:12:25,991 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:12:25,994 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:12:26,333 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,334 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:26,560 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:26,586 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_4c738424-e105-4b39-b0a7-138399e60764/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2023-11-23 20:12:26,587 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_4c738424-e105-4b39-b0a7-138399e60764/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2023-11-23 20:12:26,660 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,663 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,664 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,665 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,668 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,680 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,681 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,682 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,683 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,734 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:12:26,735 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:12:26,736 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:12:26,738 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:12:26,741 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:12:26,742 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:12:26,743 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:12:26,744 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:12:26,745 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:12:26,786 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:12:26,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-11-23 20:12:26,905 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,906 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:26,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2023-11-23 20:12:26,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:27,308 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,309 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,309 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,309 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,309 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,309 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,310 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,310 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,311 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,312 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,312 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,312 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,312 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,313 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,313 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,313 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,314 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,314 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,324 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:27,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27 WrapperNode [2023-11-23 20:12:27,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:27,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:27,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:27,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:27,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,608 INFO L138 Inliner]: procedures = 694, calls = 2940, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1215 [2023-11-23 20:12:27,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:27,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:27,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:27,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:27,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:27,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:27,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:27,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:27,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:27,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:27,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:27,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c738424-e105-4b39-b0a7-138399e60764/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-23 20:12:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-23 20:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-23 20:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-23 20:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:12:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-23 20:12:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-23 20:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:12:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 20:12:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 20:12:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:12:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:12:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:12:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:12:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-23 20:12:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-23 20:12:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:12:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:12:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-11-23 20:12:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-11-23 20:12:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-23 20:12:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-23 20:12:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:12:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:12:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2023-11-23 20:12:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2023-11-23 20:12:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:12:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:12:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 20:12:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 20:12:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2023-11-23 20:12:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2023-11-23 20:12:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 20:12:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 20:12:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2023-11-23 20:12:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2023-11-23 20:12:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2023-11-23 20:12:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2023-11-23 20:12:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 20:12:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 20:12:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:12:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-23 20:12:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-23 20:12:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-23 20:12:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-23 20:12:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2023-11-23 20:12:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2023-11-23 20:12:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-23 20:12:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-23 20:12:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:28,257 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:28,260 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:30,026 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:30,410 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:30,410 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:12:30,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:30 BoogieIcfgContainer [2023-11-23 20:12:30,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:30,413 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:30,413 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:30,424 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:30,425 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:30" (1/1) ... [2023-11-23 20:12:30,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 354 states and 517 transitions. [2023-11-23 20:12:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 517 transitions. [2023-11-23 20:12:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:12:30,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:30,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-23 20:12:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 362 states and 529 transitions. [2023-11-23 20:12:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 529 transitions. [2023-11-23 20:12:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:12:32,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:32,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:12:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 366 states and 544 transitions. [2023-11-23 20:12:33,707 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 544 transitions. [2023-11-23 20:12:33,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-23 20:12:33,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:12:35,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 370 states and 558 transitions. [2023-11-23 20:12:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 558 transitions. [2023-11-23 20:12:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 20:12:35,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:35,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:12:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 374 states and 572 transitions. [2023-11-23 20:12:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 572 transitions. [2023-11-23 20:12:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 20:12:37,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:37,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:12:38,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 378 states and 586 transitions. [2023-11-23 20:12:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 586 transitions. [2023-11-23 20:12:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-23 20:12:38,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:38,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-23 20:12:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 380 states and 588 transitions. [2023-11-23 20:12:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 588 transitions. [2023-11-23 20:12:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-23 20:12:39,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:39,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-23 20:12:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 385 states and 598 transitions. [2023-11-23 20:12:42,005 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 598 transitions. [2023-11-23 20:12:42,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-23 20:12:42,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:42,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-23 20:12:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 385 states and 593 transitions. [2023-11-23 20:12:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 593 transitions. [2023-11-23 20:12:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-23 20:12:44,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:44,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat