./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/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_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/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_83227ecc-b7cd-4295-8f58-6da19ca95138/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 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:37,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:37,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:05:37,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:37,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:37,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:37,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:37,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:37,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:37,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:37,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:37,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:37,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:37,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:37,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:37,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:37,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:37,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:37,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:37,778 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:37,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:37,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:37,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:37,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:37,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:37,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:37,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:37,783 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:37,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:37,784 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:37,785 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_83227ecc-b7cd-4295-8f58-6da19ca95138/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 [2023-11-23 20:05:38,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:38,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:38,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:38,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:38,076 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:38,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2023-11-23 20:05:41,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:41,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:41,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2023-11-23 20:05:41,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/data/99fec46f3/d2d121becf3f40509c79267296a273df/FLAG29757e2cb [2023-11-23 20:05:41,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/data/99fec46f3/d2d121becf3f40509c79267296a273df [2023-11-23 20:05:41,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:41,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:41,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:41,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:41,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:41,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:41" (1/1) ... [2023-11-23 20:05:41,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a61c9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:41, skipping insertion in model container [2023-11-23 20:05:41,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:41" (1/1) ... [2023-11-23 20:05:42,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:42,297 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-23 20:05:42,305 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-23 20:05:43,340 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,341 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,342 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,343 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,344 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,359 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,360 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,366 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,367 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,368 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,368 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,765 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:05:43,769 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:05:43,773 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:05:43,776 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:05:43,780 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:05:43,785 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:05:43,787 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:05:43,788 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:05:43,790 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:05:43,792 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:05:43,960 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:43,969 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:44,106 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:44,135 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-23 20:05:44,136 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-23 20:05:44,231 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,231 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,232 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,232 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,233 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,247 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,248 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,249 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,250 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,251 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,251 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,252 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,252 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,314 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:05:44,316 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:05:44,317 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:05:44,318 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:05:44,320 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:05:44,321 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:05:44,322 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:05:44,322 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:05:44,323 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:05:44,323 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:05:44,354 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,367 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:44,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] [2023-11-23 20:05:44,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:44,631 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,631 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,631 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,631 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,631 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,632 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,632 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,632 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,632 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,632 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,632 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,633 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,633 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,633 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,633 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:44,651 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:44,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44 WrapperNode [2023-11-23 20:05:44,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:44,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:44,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:44,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:44,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:44,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:44,860 INFO L138 Inliner]: procedures = 689, calls = 1580, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 586 [2023-11-23 20:05:44,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:44,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:44,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:44,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:44,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:44,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:44,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:44,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:44,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:44,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:44,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:45,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:45,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:45,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:45,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:45,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:45,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:44" (1/1) ... [2023-11-23 20:05:45,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:45,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:45,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:45,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:05:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 20:05:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 20:05:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 20:05:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 20:05:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:05:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:05:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:05:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 20:05:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 20:05:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:05:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:05:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:05:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 20:05:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 20:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:05:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2023-11-23 20:05:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2023-11-23 20:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 20:05:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 20:05:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 20:05:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 20:05:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:05:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:45,498 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:45,500 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:46,429 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:46,662 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:46,663 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:05:46,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:46 BoogieIcfgContainer [2023-11-23 20:05:46,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:46,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:46,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:46,679 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:46,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:46" (1/1) ... [2023-11-23 20:05:46,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2023-11-23 20:05:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-23 20:05:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:05:46,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:46,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:48,085 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 20:05:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 104 transitions. [2023-11-23 20:05:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-23 20:05:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:05:48,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:48,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:49,046 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 20:05:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 105 transitions. [2023-11-23 20:05:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2023-11-23 20:05:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:05:49,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:49,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:49,545 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 20:05:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 100 transitions. [2023-11-23 20:05:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2023-11-23 20:05:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:05:49,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:49,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:50,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:50,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:50,464 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 20:05:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 112 transitions. [2023-11-23 20:05:50,966 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2023-11-23 20:05:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:05:50,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:50,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:51,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 2254 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:51,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:51,602 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 20:05:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 90 states and 117 transitions. [2023-11-23 20:05:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2023-11-23 20:05:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:05:51,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:51,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:52,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:52,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:52,254 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 20:05:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 91 states and 118 transitions. [2023-11-23 20:05:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2023-11-23 20:05:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:05:52,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:52,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:52,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:52,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:52,869 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 20:05:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 80 states and 98 transitions. [2023-11-23 20:05:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 98 transitions. [2023-11-23 20:05:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:05:52,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:06:03,517 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 20:06:03,521 INFO L158 Benchmark]: Toolchain (without parser) took 21628.12ms. Allocated memory was 130.0MB in the beginning and 306.2MB in the end (delta: 176.2MB). Free memory was 77.1MB in the beginning and 181.8MB in the end (delta: -104.7MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:03,521 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:03,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2758.91ms. Allocated memory was 130.0MB in the beginning and 199.2MB in the end (delta: 69.2MB). Free memory was 77.1MB in the beginning and 136.6MB in the end (delta: -59.6MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. [2023-11-23 20:06:03,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.86ms. Allocated memory is still 199.2MB. Free memory was 136.6MB in the beginning and 127.3MB in the end (delta: 9.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:06:03,524 INFO L158 Benchmark]: Boogie Preprocessor took 164.92ms. Allocated memory is still 199.2MB. Free memory was 127.3MB in the beginning and 122.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:06:03,525 INFO L158 Benchmark]: RCFGBuilder took 1637.85ms. Allocated memory is still 199.2MB. Free memory was 122.1MB in the beginning and 80.7MB in the end (delta: 41.3MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-11-23 20:06:03,525 INFO L158 Benchmark]: CodeCheck took 16852.48ms. Allocated memory was 199.2MB in the beginning and 306.2MB in the end (delta: 107.0MB). Free memory was 80.7MB in the beginning and 181.8MB in the end (delta: -101.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-23 20:06:03,534 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 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2758.91ms. Allocated memory was 130.0MB in the beginning and 199.2MB in the end (delta: 69.2MB). Free memory was 77.1MB in the beginning and 136.6MB in the end (delta: -59.6MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.86ms. Allocated memory is still 199.2MB. Free memory was 136.6MB in the beginning and 127.3MB in the end (delta: 9.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.92ms. Allocated memory is still 199.2MB. Free memory was 127.3MB in the beginning and 122.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1637.85ms. Allocated memory is still 199.2MB. Free memory was 122.1MB in the beginning and 80.7MB in the end (delta: 41.3MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * CodeCheck took 16852.48ms. Allocated memory was 199.2MB in the beginning and 306.2MB in the end (delta: 107.0MB). Free memory was 80.7MB in the beginning and 181.8MB in the end (delta: -101.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7517]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:06:03,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/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_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/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_83227ecc-b7cd-4295-8f58-6da19ca95138/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 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:06,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:06,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:06:06,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:06,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:06,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:06,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:06,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:06,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:06,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:06,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:06,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:06,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:06,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:06,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:06:06,564 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:06:06,565 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:06:06,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:06,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:06,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:06,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:06,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:06,570 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:06,570 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:06:06,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:06,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:06,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:06,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:06,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:06,573 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:06:06,575 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:06,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:06,575 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:06:06,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:06:06,576 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_83227ecc-b7cd-4295-8f58-6da19ca95138/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 [2023-11-23 20:06:07,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:07,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:07,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:07,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:07,143 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:07,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2023-11-23 20:06:10,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:11,068 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:11,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2023-11-23 20:06:11,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/data/5fc0268f7/795ac165ce8b4b52abe40ae0081bb022/FLAG3d73aab1e [2023-11-23 20:06:11,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/data/5fc0268f7/795ac165ce8b4b52abe40ae0081bb022 [2023-11-23 20:06:11,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:11,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:11,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:11,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:11,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:11,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:11" (1/1) ... [2023-11-23 20:06:11,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfe0abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:11, skipping insertion in model container [2023-11-23 20:06:11,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:11" (1/1) ... [2023-11-23 20:06:11,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:11,726 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-23 20:06:11,736 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-23 20:06:12,883 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,883 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,884 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,885 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,886 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,902 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,903 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,905 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,906 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,908 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,909 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,910 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:12,910 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,325 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:06:13,327 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:06:13,328 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:06:13,330 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:06:13,332 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:06:13,332 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:06:13,333 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:06:13,334 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:06:13,335 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:06:13,336 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:06:13,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,533 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:13,643 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:06:13,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:13,696 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-23 20:06:13,697 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-23 20:06:13,764 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,777 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,778 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,779 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,780 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,788 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,795 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,797 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,802 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,804 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,809 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,810 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,810 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,857 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:06:13,858 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:06:13,859 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:06:13,860 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:06:13,861 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:06:13,862 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:06:13,862 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:06:13,863 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:06:13,863 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:06:13,864 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:06:13,885 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,891 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:13,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:13,939 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:13,974 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-23 20:06:13,983 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_83227ecc-b7cd-4295-8f58-6da19ca95138/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-23 20:06:14,034 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,034 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,036 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,043 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,043 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,044 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,045 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,046 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,047 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,047 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,048 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,084 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:06:14,085 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:06:14,086 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:06:14,087 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:06:14,088 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:06:14,088 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:06:14,088 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:06:14,089 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:06:14,089 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:06:14,090 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:06:14,106 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,111 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:06:14,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] [2023-11-23 20:06:14,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:14,372 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,372 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,373 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,373 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,373 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,373 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,373 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,373 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,374 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,374 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,374 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,374 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,374 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,375 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,375 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:14,383 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:14,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14 WrapperNode [2023-11-23 20:06:14,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:14,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:14,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:14,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:14,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,603 INFO L138 Inliner]: procedures = 709, calls = 1580, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 585 [2023-11-23 20:06:14,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:14,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:14,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:14,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:14,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:14,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:14,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:14,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:14,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:14" (1/1) ... [2023-11-23 20:06:14,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:14,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:14,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:14,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:06:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 20:06:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 20:06:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 20:06:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 20:06:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:06:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:06:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:06:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:06:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-23 20:06:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 20:06:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 20:06:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:06:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:06:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:06:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:06:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:06:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:06:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 20:06:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 20:06:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 20:06:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:06:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:06:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:06:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2023-11-23 20:06:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2023-11-23 20:06:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:06:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-23 20:06:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:06:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 20:06:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 20:06:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 20:06:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 20:06:15,197 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:15,199 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:16,598 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:16,980 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:16,980 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:06:16,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:16 BoogieIcfgContainer [2023-11-23 20:06:16,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:16,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:16,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:16,994 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:16,995 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:16" (1/1) ... [2023-11-23 20:06:17,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2023-11-23 20:06:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-23 20:06:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:06:17,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:17,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:17,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:06:17,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:06:17,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:06:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:17,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:06:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:18,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:19,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:19,279 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 20:06:19,283 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:06:19,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 20:06:23,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:06:24,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 104 transitions. [2023-11-23 20:06:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-23 20:06:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:06:24,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:24,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:24,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:06:24,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:06:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:06:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:25,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:06:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:26,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:26,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:26,377 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 20:06:26,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-23 20:06:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:26,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 105 transitions. [2023-11-23 20:06:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2023-11-23 20:06:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:06:26,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:26,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:26,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:06:26,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:06:26,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:06:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:27,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:06:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:28,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:28,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:28,244 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 20:06:28,248 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:06:28,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:06:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:28,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 100 transitions. [2023-11-23 20:06:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2023-11-23 20:06:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:06:28,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:28,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:28,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:06:28,320 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:06:28,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83227ecc-b7cd-4295-8f58-6da19ca95138/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:06:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:29,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:06:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:30,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:30,035 INFO L285 TraceCheckSpWp]: Computing forward predicates...