./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 527bcce2 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_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/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_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/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_89d7d57e-9868-4164-a9fd-7ed259892189/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_89d7d57e-9868-4164-a9fd-7ed259892189/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 2293598a72fb26bd355ae2995b6b28cabefb2a1c0a42bb14a43bd85f81ccf59f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:03,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:03,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:30:03,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:03,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:03,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:03,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:03,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:03,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:03,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:03,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:03,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:03,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:03,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:03,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:03,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:03,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:03,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:03,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:03,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:03,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:03,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:03,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:03,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:03,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:03,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:03,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:03,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:03,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:03,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:03,766 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_89d7d57e-9868-4164-a9fd-7ed259892189/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2293598a72fb26bd355ae2995b6b28cabefb2a1c0a42bb14a43bd85f81ccf59f [2023-11-21 18:30:04,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:04,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:04,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:04,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:04,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:04,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2023-11-21 18:30:07,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:07,902 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:07,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2023-11-21 18:30:07,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/data/2f2df63ab/7e04f2363fc54a87a586598590f42ee1/FLAG6c4b404bc [2023-11-21 18:30:07,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/data/2f2df63ab/7e04f2363fc54a87a586598590f42ee1 [2023-11-21 18:30:07,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:07,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:07,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:07,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:07,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:07,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67bf7fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07, skipping insertion in model container [2023-11-21 18:30:07,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:08,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:08,509 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_89d7d57e-9868-4164-a9fd-7ed259892189/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4497,4510] [2023-11-21 18:30:08,518 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_89d7d57e-9868-4164-a9fd-7ed259892189/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2023-11-21 18:30:09,764 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:09,767 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:09,768 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:09,770 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:09,772 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:09,799 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:09,800 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:09,802 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:09,807 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:10,301 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:30:10,302 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:30:10,304 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:30:10,307 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:30:10,310 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:30:10,311 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:30:10,312 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:30:10,313 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:30:10,313 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:30:10,314 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:30:10,695 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:10,696 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:10,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:10,947 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:10,972 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_89d7d57e-9868-4164-a9fd-7ed259892189/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4497,4510] [2023-11-21 18:30:10,974 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_89d7d57e-9868-4164-a9fd-7ed259892189/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2023-11-21 18:30:11,026 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,027 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,027 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,028 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,029 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,036 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,037 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,038 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,039 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,081 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:30:11,082 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:30:11,083 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:30:11,090 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:30:11,092 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:30:11,093 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:30:11,094 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:30:11,095 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:30:11,096 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:30:11,097 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:30:11,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-11-21 18:30:11,246 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,247 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:30:11,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2023-11-21 18:30:11,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:11,592 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,593 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,593 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,593 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,593 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,593 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,594 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,594 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,594 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,594 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,594 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,594 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,595 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,595 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,595 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,595 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,595 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,596 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:11,604 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:11,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11 WrapperNode [2023-11-21 18:30:11,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:11,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:11,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:11,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:11,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,861 INFO L138 Inliner]: procedures = 694, calls = 2939, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 1179 [2023-11-21 18:30:11,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:11,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:11,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:11,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:11,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:11,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:11,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:11,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:11,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:11" (1/1) ... [2023-11-21 18:30:11,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:12,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:12,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:12,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d7d57e-9868-4164-a9fd-7ed259892189/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-21 18:30:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-21 18:30:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-21 18:30:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-21 18:30:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 18:30:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 18:30:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-21 18:30:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-21 18:30:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:30:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 18:30:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 18:30:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:30:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:30:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:30:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:30:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-21 18:30:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-21 18:30:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 18:30:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 18:30:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-21 18:30:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-21 18:30:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:30:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:30:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2023-11-21 18:30:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2023-11-21 18:30:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:30:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:30:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-21 18:30:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-21 18:30:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2023-11-21 18:30:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2023-11-21 18:30:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 18:30:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 18:30:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2023-11-21 18:30:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2023-11-21 18:30:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2023-11-21 18:30:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2023-11-21 18:30:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-21 18:30:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-21 18:30:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:30:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-21 18:30:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-21 18:30:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-21 18:30:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-21 18:30:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2023-11-21 18:30:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2023-11-21 18:30:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-21 18:30:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-21 18:30:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:12,543 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:12,546 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:14,680 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:15,060 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:15,060 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:30:15,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:15 BoogieIcfgContainer [2023-11-21 18:30:15,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:15,063 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:15,064 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:15,074 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:15,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:15" (1/1) ... [2023-11-21 18:30:15,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 329 states and 477 transitions. [2023-11-21 18:30:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 477 transitions. [2023-11-21 18:30:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:30:15,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:16,354 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 18:30:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 337 states and 489 transitions. [2023-11-21 18:30:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 489 transitions. [2023-11-21 18:30:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:30:16,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:16,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:17,859 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 18:30:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 341 states and 504 transitions. [2023-11-21 18:30:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 504 transitions. [2023-11-21 18:30:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:30:18,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:18,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:19,051 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 18:30:19,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 345 states and 518 transitions. [2023-11-21 18:30:19,680 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 518 transitions. [2023-11-21 18:30:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:30:19,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:19,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:20,535 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 18:30:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 349 states and 532 transitions. [2023-11-21 18:30:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 532 transitions. [2023-11-21 18:30:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:30:21,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,056 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 18:30:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 353 states and 546 transitions. [2023-11-21 18:30:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 546 transitions. [2023-11-21 18:30:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:30:22,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:23,545 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 18:30:23,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 355 states and 548 transitions. [2023-11-21 18:30:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 548 transitions. [2023-11-21 18:30:23,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-21 18:30:23,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:23,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-21 18:30:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 355 states and 546 transitions. [2023-11-21 18:30:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 546 transitions. [2023-11-21 18:30:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-21 18:30:24,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-21 18:30:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 360 states and 556 transitions. [2023-11-21 18:30:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 556 transitions. [2023-11-21 18:30:25,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-21 18:30:25,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:25,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-11-21 18:30:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 360 states and 551 transitions. [2023-11-21 18:30:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 551 transitions. [2023-11-21 18:30:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-21 18:30:27,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:27,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2023-11-21 18:30:43,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 368 states and 568 transitions. [2023-11-21 18:30:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 568 transitions. [2023-11-21 18:30:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-21 18:30:43,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat