./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_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_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/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_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/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_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/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 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:37,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:37,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:13:37,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:37,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:37,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:37,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:37,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:37,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:37,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:37,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:37,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:37,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:37,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:37,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:37,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:37,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:37,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:37,531 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:37,532 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:37,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:37,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:37,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:37,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:37,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:37,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:37,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:37,536 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:37,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:37,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:37,537 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_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 [2023-11-23 20:13:37,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:37,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:37,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:37,889 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:37,889 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:37,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2023-11-23 20:13:41,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:41,734 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:41,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2023-11-23 20:13:41,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/data/c97cb84fa/e036a0021e574dfb9e34775072a273b4/FLAG3ebd49211 [2023-11-23 20:13:41,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/data/c97cb84fa/e036a0021e574dfb9e34775072a273b4 [2023-11-23 20:13:41,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:41,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:41,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:41,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:41,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:41,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:41" (1/1) ... [2023-11-23 20:13:41,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aed9137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:41, skipping insertion in model container [2023-11-23 20:13:41,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:41" (1/1) ... [2023-11-23 20:13:42,005 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:42,389 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_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4497,4510] [2023-11-23 20:13:42,400 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_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2023-11-23 20:13:44,040 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,042 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,043 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,044 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,046 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,082 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,083 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,085 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,086 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:44,709 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:13:44,714 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:13:44,716 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:13:44,719 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:13:44,721 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:13:44,722 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:13:44,723 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:13:44,724 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:13:44,726 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:13:44,729 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:13:45,034 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:45,286 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:45,301 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_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4497,4510] [2023-11-23 20:13:45,317 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_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2023-11-23 20:13:45,385 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,387 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,387 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,388 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,389 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,404 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,405 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,406 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,464 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:13:45,465 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:13:45,466 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:13:45,468 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:13:45,470 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:13:45,471 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:13:45,472 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:13:45,472 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:13:45,473 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:13:45,476 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:13:45,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-11-23 20:13:45,624 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,625 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:45,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2023-11-23 20:13:45,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:45,993 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,993 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,994 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,994 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,994 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,994 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,995 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,995 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,996 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,997 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,997 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,997 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,998 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,998 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,998 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,998 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,999 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:45,999 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:46,007 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:46,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46 WrapperNode [2023-11-23 20:13:46,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:46,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:46,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:46,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:46,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,248 INFO L138 Inliner]: procedures = 694, calls = 2952, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1196 [2023-11-23 20:13:46,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:46,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:46,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:46,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:46,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:46,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:46,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:46,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:46,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:46" (1/1) ... [2023-11-23 20:13:46,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:46,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:46,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:46,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71551bbb-5807-4c8f-8af1-e9d2e8019ef6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-23 20:13:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-23 20:13:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-23 20:13:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-23 20:13:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:13:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:13:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:13:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-23 20:13:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-23 20:13:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:13:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 20:13:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 20:13:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:13:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:13:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:13:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:13:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-23 20:13:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-23 20:13:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:13:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:13:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-11-23 20:13:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-11-23 20:13:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-23 20:13:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-23 20:13:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:13:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:13:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2023-11-23 20:13:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2023-11-23 20:13:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:13:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:13:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:13:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 20:13:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 20:13:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2023-11-23 20:13:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2023-11-23 20:13:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 20:13:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 20:13:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2023-11-23 20:13:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2023-11-23 20:13:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2023-11-23 20:13:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2023-11-23 20:13:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 20:13:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 20:13:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:13:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-23 20:13:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-23 20:13:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-23 20:13:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-23 20:13:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2023-11-23 20:13:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2023-11-23 20:13:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-23 20:13:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-23 20:13:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:46,957 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:46,961 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:48,672 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:49,086 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:49,087 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:13:49,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:49 BoogieIcfgContainer [2023-11-23 20:13:49,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:49,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:49,090 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:49,101 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:49,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:49" (1/1) ... [2023-11-23 20:13:49,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 339 states and 490 transitions. [2023-11-23 20:13:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 490 transitions. [2023-11-23 20:13:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:13:49,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:49,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 347 states and 502 transitions. [2023-11-23 20:13:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 502 transitions. [2023-11-23 20:13:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:13:50,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:50,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:13:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:52,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 351 states and 517 transitions. [2023-11-23 20:13:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 517 transitions. [2023-11-23 20:13:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 20:13:52,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:52,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:13:53,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 355 states and 531 transitions. [2023-11-23 20:13:53,967 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 531 transitions. [2023-11-23 20:13:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:13:53,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:13:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 359 states and 545 transitions. [2023-11-23 20:13:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 545 transitions. [2023-11-23 20:13:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-23 20:13:55,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:13:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 363 states and 559 transitions. [2023-11-23 20:13:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 559 transitions. [2023-11-23 20:13:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 20:13:56,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:57,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:57,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 365 states and 561 transitions. [2023-11-23 20:13:57,717 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 561 transitions. [2023-11-23 20:13:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 20:13:57,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:57,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-23 20:13:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 365 states and 559 transitions. [2023-11-23 20:13:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 559 transitions. [2023-11-23 20:13:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-23 20:13:58,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:58,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-23 20:14:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 370 states and 569 transitions. [2023-11-23 20:14:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 569 transitions. [2023-11-23 20:14:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-23 20:14:00,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:00,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-23 20:14:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 370 states and 564 transitions. [2023-11-23 20:14:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 564 transitions. [2023-11-23 20:14:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-11-23 20:14:01,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2023-11-23 20:14:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 391 states and 649 transitions. [2023-11-23 20:14:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 649 transitions. [2023-11-23 20:14:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-11-23 20:14:15,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:15,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat