./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:39,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:40,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:12:40,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:40,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:40,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:40,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:40,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:40,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:40,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:40,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:40,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:40,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:40,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:40,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:40,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:40,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:40,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:40,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:40,076 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:40,077 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:40,078 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:40,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:40,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:40,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:40,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:40,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:40,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:40,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:40,083 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:40,084 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2023-11-23 20:12:40,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:40,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:40,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:40,452 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:40,452 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:40,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2023-11-23 20:12:43,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:44,257 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:44,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2023-11-23 20:12:44,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/data/27c61b712/9ea8e02767ea477bb35c26261c2a4404/FLAG094d5ae56 [2023-11-23 20:12:44,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/data/27c61b712/9ea8e02767ea477bb35c26261c2a4404 [2023-11-23 20:12:44,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:44,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:44,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:44,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:44,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:44,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:44" (1/1) ... [2023-11-23 20:12:44,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0a5540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:44, skipping insertion in model container [2023-11-23 20:12:44,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:44" (1/1) ... [2023-11-23 20:12:44,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:44,734 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2023-11-23 20:12:44,743 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2023-11-23 20:12:45,889 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,891 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,891 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,892 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,894 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,912 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,915 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,920 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,921 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,925 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,926 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,927 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:45,932 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,395 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:12:46,396 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:12:46,398 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:12:46,399 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:12:46,401 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:12:46,402 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:12:46,402 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:12:46,403 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:12:46,404 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:12:46,405 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:12:46,617 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,638 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:46,744 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:46,759 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2023-11-23 20:12:46,760 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2023-11-23 20:12:46,862 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,862 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,863 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,863 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,864 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,871 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,871 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,897 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,912 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,913 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,914 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,914 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,915 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:46,974 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:12:46,975 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:12:46,977 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:12:46,985 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:12:46,987 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:12:46,988 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:12:46,989 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:12:46,991 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:12:46,992 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:12:46,993 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:12:47,019 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:47,027 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:12:47,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2023-11-23 20:12:47,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:47,398 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,398 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,398 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,399 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,399 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,399 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,399 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,399 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,399 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,400 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,400 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,401 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,401 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,401 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,401 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:47,409 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:47,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47 WrapperNode [2023-11-23 20:12:47,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:47,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:47,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:47,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:47,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,651 INFO L138 Inliner]: procedures = 689, calls = 1580, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 586 [2023-11-23 20:12:47,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:47,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:47,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:47,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:47,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:47,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:47,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:47,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:47,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:47" (1/1) ... [2023-11-23 20:12:47,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:47,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:47,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:47,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 20:12:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 20:12:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 20:12:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 20:12:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:12:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:12:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:12:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 20:12:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 20:12:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:12:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:12:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:12:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:12:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:12:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:12:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 20:12:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 20:12:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:12:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:12:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2023-11-23 20:12:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2023-11-23 20:12:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:12:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:12:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 20:12:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 20:12:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 20:12:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 20:12:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:12:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:48,254 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:48,256 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:49,289 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:49,472 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:49,472 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:12:49,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:49 BoogieIcfgContainer [2023-11-23 20:12:49,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:49,475 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:49,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:49,485 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:49,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2023-11-23 20:12:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-23 20:12:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:12:49,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:49,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:12:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 104 transitions. [2023-11-23 20:12:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-23 20:12:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:12:50,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:50,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:12:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 105 transitions. [2023-11-23 20:12:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2023-11-23 20:12:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:12:51,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:51,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:12:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 100 transitions. [2023-11-23 20:12:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2023-11-23 20:12:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:12:52,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:52,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:52,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:52,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:12:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 112 transitions. [2023-11-23 20:12:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2023-11-23 20:12:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:12:53,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:53,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:53,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 2254 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:53,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-23 20:12:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 90 states and 117 transitions. [2023-11-23 20:12:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2023-11-23 20:12:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:12:54,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:54,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:54,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:54,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:12:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 91 states and 118 transitions. [2023-11-23 20:12:54,718 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2023-11-23 20:12:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:12:54,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:54,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:55,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:55,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:12:55,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 80 states and 98 transitions. [2023-11-23 20:12:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 98 transitions. [2023-11-23 20:12:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:12:55,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:13:05,804 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:13:05,808 INFO L158 Benchmark]: Toolchain (without parser) took 21490.08ms. Allocated memory was 178.3MB in the beginning and 276.8MB in the end (delta: 98.6MB). Free memory was 144.8MB in the beginning and 132.9MB in the end (delta: 11.9MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2023-11-23 20:13:05,808 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:05,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3092.70ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 119.7MB in the end (delta: 24.3MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2023-11-23 20:13:05,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 240.42ms. Allocated memory is still 178.3MB. Free memory was 119.7MB in the beginning and 110.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:13:05,810 INFO L158 Benchmark]: Boogie Preprocessor took 140.31ms. Allocated memory is still 178.3MB. Free memory was 110.2MB in the beginning and 105.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:13:05,811 INFO L158 Benchmark]: RCFGBuilder took 1679.27ms. Allocated memory was 178.3MB in the beginning and 222.3MB in the end (delta: 44.0MB). Free memory was 105.0MB in the beginning and 102.1MB in the end (delta: 2.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:05,811 INFO L158 Benchmark]: CodeCheck took 16331.98ms. Allocated memory was 222.3MB in the beginning and 276.8MB in the end (delta: 54.5MB). Free memory was 102.1MB in the beginning and 132.9MB in the end (delta: -30.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-23 20:13:05,815 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3092.70ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 119.7MB in the end (delta: 24.3MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 240.42ms. Allocated memory is still 178.3MB. Free memory was 119.7MB in the beginning and 110.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.31ms. Allocated memory is still 178.3MB. Free memory was 110.2MB in the beginning and 105.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1679.27ms. Allocated memory was 178.3MB in the beginning and 222.3MB in the end (delta: 44.0MB). Free memory was 105.0MB in the beginning and 102.1MB in the end (delta: 2.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * CodeCheck took 16331.98ms. Allocated memory was 222.3MB in the beginning and 276.8MB in the end (delta: 54.5MB). Free memory was 102.1MB in the beginning and 132.9MB in the end (delta: -30.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7529]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:13:05,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:08,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:08,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:13:08,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:08,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:08,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:08,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:08,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:08,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:08,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:08,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:08,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:08,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:08,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:08,630 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:13:08,630 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:13:08,631 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:13:08,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:08,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:08,633 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:08,633 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:08,634 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:08,634 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:08,635 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:13:08,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:08,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:08,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:08,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:08,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:08,638 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:13:08,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:08,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:08,640 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:13:08,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:13:08,641 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2023-11-23 20:13:09,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:09,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:09,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:09,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:09,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:09,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2023-11-23 20:13:12,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:13,141 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:13,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2023-11-23 20:13:13,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/data/028ceabd5/270c317fe7f54257b6e03862e37f76c1/FLAG7dd583e7e [2023-11-23 20:13:13,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/data/028ceabd5/270c317fe7f54257b6e03862e37f76c1 [2023-11-23 20:13:13,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:13,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:13,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:13,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:13,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:13,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6410257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13, skipping insertion in model container [2023-11-23 20:13:13,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:13,662 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2023-11-23 20:13:13,669 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2023-11-23 20:13:14,813 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,814 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,814 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,815 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,816 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,830 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,831 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,834 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,835 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,850 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,854 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,857 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:14,858 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,244 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:13:15,246 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:13:15,247 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:13:15,249 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:13:15,251 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:13:15,252 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:13:15,253 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:13:15,253 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:13:15,255 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:13:15,256 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:13:15,397 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,406 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:15,508 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:13:15,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:15,553 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2023-11-23 20:13:15,554 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2023-11-23 20:13:15,607 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,608 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,608 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,609 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,610 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,618 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,619 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,620 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,621 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,622 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,623 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,623 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,624 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,666 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:13:15,667 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:13:15,668 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:13:15,669 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:13:15,671 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:13:15,671 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:13:15,672 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:13:15,673 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:13:15,673 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:13:15,674 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:13:15,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,709 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:15,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:15,846 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2023-11-23 20:13:15,847 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_0130d4fc-6d07-437b-a6ac-a4a932f2a830/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2023-11-23 20:13:15,933 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,933 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,933 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,934 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,935 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,941 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,942 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,943 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,943 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,944 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,945 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,946 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,946 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:15,980 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:13:15,981 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:13:15,982 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:13:15,983 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:13:15,984 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:13:15,984 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:13:15,985 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:13:15,985 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:13:15,986 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:13:15,986 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:13:16,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:16,007 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:13:16,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2023-11-23 20:13:16,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:16,386 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,386 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,386 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,387 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,387 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,387 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,388 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,388 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,388 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,388 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,388 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,388 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,389 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,389 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,389 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:16,397 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:16,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16 WrapperNode [2023-11-23 20:13:16,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:16,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:16,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:16,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:16,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,630 INFO L138 Inliner]: procedures = 709, calls = 1580, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 585 [2023-11-23 20:13:16,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:16,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:16,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:16,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:16,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:16,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:16,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:16,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:16,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:16" (1/1) ... [2023-11-23 20:13:16,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:16,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:16,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:16,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:13:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 20:13:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 20:13:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 20:13:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 20:13:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:13:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:13:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:13:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:13:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-23 20:13:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 20:13:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 20:13:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:13:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:13:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:13:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:13:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:13:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:13:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 20:13:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 20:13:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 20:13:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:13:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:13:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:13:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2023-11-23 20:13:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2023-11-23 20:13:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:13:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-23 20:13:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:13:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 20:13:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 20:13:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 20:13:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 20:13:17,289 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:17,292 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:18,765 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:19,109 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:19,110 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:13:19,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:19 BoogieIcfgContainer [2023-11-23 20:13:19,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:19,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:19,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:19,123 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:19,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:19" (1/1) ... [2023-11-23 20:13:19,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2023-11-23 20:13:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-23 20:13:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:13:19,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:19,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:19,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:19,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:19,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:13:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:19,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:13:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:20,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:20,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:21,222 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:13:21,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:13:24,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:13:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 104 transitions. [2023-11-23 20:13:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-23 20:13:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:13:25,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:25,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:25,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:25,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:25,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:13:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:26,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:13:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:26,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:26,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:27,080 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:13:27,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:13:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 105 transitions. [2023-11-23 20:13:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2023-11-23 20:13:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:13:27,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:27,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:27,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:27,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:27,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:13:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:27,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:13:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:28,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:28,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:28,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:13:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 100 transitions. [2023-11-23 20:13:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2023-11-23 20:13:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:13:28,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:28,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:28,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:28,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:28,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:13:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:29,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:13:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:30,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:30,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:13:30,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:13:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:31,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 80 states and 99 transitions. [2023-11-23 20:13:31,118 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2023-11-23 20:13:31,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:13:31,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:31,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:31,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:31,125 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:31,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0130d4fc-6d07-437b-a6ac-a4a932f2a830/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:13:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:31,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported