./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 489764fe0dfa0efcb3c4a756357bb10dbad4a656c8e3e512b897a17730f5d7c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:59:40,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:59:40,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:59:40,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:59:40,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:59:40,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:59:40,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:59:40,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:59:40,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:59:40,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:59:40,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:59:40,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:59:40,275 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:59:40,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:59:40,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:59:40,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:59:40,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:59:40,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:59:40,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:59:40,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:59:40,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:59:40,293 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:59:40,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:59:40,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:59:40,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:59:40,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:40,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:59:40,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:59:40,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:59:40,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:59:40,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:59:40,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:59:40,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:59:40,300 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:59:40,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:59:40,329 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:59:40,329 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 489764fe0dfa0efcb3c4a756357bb10dbad4a656c8e3e512b897a17730f5d7c8 [2023-11-06 22:59:40,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:59:40,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:59:40,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:59:40,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:59:40,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:59:40,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2023-11-06 22:59:44,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:59:45,271 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:59:45,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2023-11-06 22:59:45,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/data/e4ac03bff/c021120cfbff4326830c7c3d2adbadd4/FLAG6ffdee1b4 [2023-11-06 22:59:45,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/data/e4ac03bff/c021120cfbff4326830c7c3d2adbadd4 [2023-11-06 22:59:45,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:59:45,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:59:45,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:45,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:59:45,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:59:45,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:45" (1/1) ... [2023-11-06 22:59:45,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b19a67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:45, skipping insertion in model container [2023-11-06 22:59:45,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:45" (1/1) ... [2023-11-06 22:59:45,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:59:45,975 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_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i[4499,4512] [2023-11-06 22:59:45,986 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_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i[4559,4572] [2023-11-06 22:59:47,353 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:47,357 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:47,358 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:47,361 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:47,363 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:47,398 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:47,398 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:47,400 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:47,401 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,085 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:59:48,096 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:59:48,098 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:59:48,102 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:59:48,106 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:59:48,107 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:59:48,108 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:59:48,109 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:59:48,111 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:59:48,116 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:59:48,531 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,532 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:48,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:59:48,820 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_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i[4499,4512] [2023-11-06 22:59:48,821 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_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i[4559,4572] [2023-11-06 22:59:48,895 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,896 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,897 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,898 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,899 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,910 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,910 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,912 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,912 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:48,985 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:59:48,987 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:59:48,988 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:59:48,989 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:59:48,993 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:59:48,994 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:59:48,995 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:59:48,997 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:59:48,997 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:59:48,998 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:59:49,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2023-11-06 22:59:49,104 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:49,105 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:59:49,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2023-11-06 22:59:49,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:49,418 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,419 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,419 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,419 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,419 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,420 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,420 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,420 WARN L672 CHandler]: The function s_global_handler is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,420 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,420 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,421 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,421 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,421 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,421 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,421 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,422 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,422 WARN L672 CHandler]: The function tl_thread_handler is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,422 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,422 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,422 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:49,432 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:59:49,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49 WrapperNode [2023-11-06 22:59:49,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:49,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:49,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:59:49,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:59:49,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,765 INFO L138 Inliner]: procedures = 692, calls = 2777, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 807 [2023-11-06 22:59:49,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:49,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:59:49,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:59:49,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:59:49,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:59:49,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:59:49,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:59:49,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:59:49,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (1/1) ... [2023-11-06 22:59:49,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:49,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:49,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:50,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:59:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-06 22:59:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-06 22:59:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-06 22:59:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-06 22:59:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:59:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-06 22:59:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-06 22:59:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:59:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:59:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:59:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:59:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:59:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:59:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:59:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:59:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-06 22:59:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-06 22:59:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:59:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2023-11-06 22:59:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2023-11-06 22:59:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-06 22:59:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-06 22:59:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:59:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:59:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-06 22:59:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-06 22:59:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:59:50,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:59:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:59:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:59:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-06 22:59:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-06 22:59:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-06 22:59:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-06 22:59:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:59:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:59:50,397 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:59:50,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:59:52,111 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:59:52,120 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:59:52,131 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:59:52,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:52 BoogieIcfgContainer [2023-11-06 22:59:52,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:59:52,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:59:52,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:59:52,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:59:52,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:59:45" (1/3) ... [2023-11-06 22:59:52,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7baa937d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:52, skipping insertion in model container [2023-11-06 22:59:52,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:49" (2/3) ... [2023-11-06 22:59:52,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7baa937d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:52, skipping insertion in model container [2023-11-06 22:59:52,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:52" (3/3) ... [2023-11-06 22:59:52,144 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness_negated.i [2023-11-06 22:59:52,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:59:52,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:59:52,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:59:52,254 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52e58ccb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:59:52,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:59:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:59:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-06 22:59:52,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:52,314 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:52,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:52,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:52,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1123190232, now seen corresponding path program 1 times [2023-11-06 22:59:52,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:52,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746182629] [2023-11-06 22:59:52,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:52,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:59:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:59:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:59:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:59:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:59:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:59:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:59:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 22:59:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-06 22:59:53,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:53,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746182629] [2023-11-06 22:59:53,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746182629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:53,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:53,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:59:53,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782128939] [2023-11-06 22:59:53,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:53,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:59:53,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:53,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:59:53,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:59:53,480 INFO L87 Difference]: Start difference. First operand has 102 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:59:53,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:53,844 INFO L93 Difference]: Finished difference Result 205 states and 253 transitions. [2023-11-06 22:59:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:59:53,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2023-11-06 22:59:53,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:53,917 INFO L225 Difference]: With dead ends: 205 [2023-11-06 22:59:53,917 INFO L226 Difference]: Without dead ends: 101 [2023-11-06 22:59:53,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:59:53,925 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 88 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:53,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 104 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:59:53,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-06 22:59:53,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 93. [2023-11-06 22:59:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:59:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions. [2023-11-06 22:59:54,006 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 108 transitions. Word has length 63 [2023-11-06 22:59:54,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:54,008 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 108 transitions. [2023-11-06 22:59:54,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:59:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2023-11-06 22:59:54,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-06 22:59:54,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:54,013 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:54,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:59:54,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:54,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:54,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2002642540, now seen corresponding path program 1 times [2023-11-06 22:59:54,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:54,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805652077] [2023-11-06 22:59:54,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:54,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:59:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:59:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:59:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:59:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:59:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:59:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:59:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 22:59:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:59:56,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:56,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805652077] [2023-11-06 22:59:56,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805652077] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:59:56,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450004689] [2023-11-06 22:59:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:56,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:59:56,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:56,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:59:56,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:59:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:57,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 2530 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:59:57,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:59:57,588 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:59:57,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450004689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:57,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:59:57,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 23 [2023-11-06 22:59:57,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971238207] [2023-11-06 22:59:57,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:57,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:59:57,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:57,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:59:57,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2023-11-06 22:59:57,592 INFO L87 Difference]: Start difference. First operand 93 states and 108 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-06 22:59:57,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:57,855 INFO L93 Difference]: Finished difference Result 112 states and 126 transitions. [2023-11-06 22:59:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:59:57,855 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 63 [2023-11-06 22:59:57,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:57,858 INFO L225 Difference]: With dead ends: 112 [2023-11-06 22:59:57,858 INFO L226 Difference]: Without dead ends: 93 [2023-11-06 22:59:57,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:59:57,860 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 32 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:57,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 925 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:59:57,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-06 22:59:57,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-06 22:59:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 61 states have internal predecessors, (68), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:59:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions. [2023-11-06 22:59:57,876 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 63 [2023-11-06 22:59:57,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:57,876 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 107 transitions. [2023-11-06 22:59:57,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-06 22:59:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2023-11-06 22:59:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:59:57,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:57,880 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:57,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:58,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 22:59:58,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:58,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:58,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1152237421, now seen corresponding path program 1 times [2023-11-06 22:59:58,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:58,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753929916] [2023-11-06 22:59:58,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:58,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:59:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:59:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:59:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:59:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:59:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:59:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:59:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:59:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:59:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:59:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:59:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:59:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-06 22:59:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:59:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-06 22:59:58,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:58,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753929916] [2023-11-06 22:59:58,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753929916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:58,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:58,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:59:58,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114082403] [2023-11-06 22:59:58,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:58,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:59:58,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:58,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:59:58,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:59:58,740 INFO L87 Difference]: Start difference. First operand 93 states and 107 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:59:59,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:59,167 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2023-11-06 22:59:59,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:59:59,168 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 94 [2023-11-06 22:59:59,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:59,170 INFO L225 Difference]: With dead ends: 160 [2023-11-06 22:59:59,170 INFO L226 Difference]: Without dead ends: 101 [2023-11-06 22:59:59,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:59:59,172 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 55 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:59,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 177 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:59:59,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-06 22:59:59,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 93. [2023-11-06 22:59:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 61 states have (on average 1.098360655737705) internal successors, (67), 61 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:59:59,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2023-11-06 22:59:59,187 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 94 [2023-11-06 22:59:59,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:59,188 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2023-11-06 22:59:59,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:59:59,188 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2023-11-06 22:59:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:59:59,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:59,190 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:59,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:59:59,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:59,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:59,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2045656941, now seen corresponding path program 1 times [2023-11-06 22:59:59,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:59,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356042751] [2023-11-06 22:59:59,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:59,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:00:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:01,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:00:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:00:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:01,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:00:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:00:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:00:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:00:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 23:00:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:00:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:00:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 23:00:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 23:00:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:00:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 23:00:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 23:00:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-06 23:00:02,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:02,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356042751] [2023-11-06 23:00:02,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356042751] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:00:02,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687417881] [2023-11-06 23:00:02,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:02,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:02,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:02,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:02,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:00:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:02,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 2670 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-06 23:00:02,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:03,579 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:00:03,580 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2023-11-06 23:00:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 23:00:03,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:03,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687417881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:03,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:00:03,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [14] total 29 [2023-11-06 23:00:03,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818721024] [2023-11-06 23:00:03,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:03,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-06 23:00:03,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:03,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 23:00:03,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2023-11-06 23:00:03,929 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand has 17 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-06 23:00:04,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:04,879 INFO L93 Difference]: Finished difference Result 122 states and 137 transitions. [2023-11-06 23:00:04,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 23:00:04,880 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) Word has length 103 [2023-11-06 23:00:04,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:04,882 INFO L225 Difference]: With dead ends: 122 [2023-11-06 23:00:04,882 INFO L226 Difference]: Without dead ends: 94 [2023-11-06 23:00:04,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=95, Invalid=1237, Unknown=0, NotChecked=0, Total=1332 [2023-11-06 23:00:04,887 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 21 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:04,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1464 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:00:04,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-06 23:00:04,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-06 23:00:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 62 states have (on average 1.096774193548387) internal successors, (68), 62 states have internal predecessors, (68), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:00:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2023-11-06 23:00:04,910 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 103 [2023-11-06 23:00:04,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:04,911 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2023-11-06 23:00:04,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-06 23:00:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2023-11-06 23:00:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-06 23:00:04,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:04,925 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:04,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 23:00:05,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:05,135 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:00:05,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:05,135 INFO L85 PathProgramCache]: Analyzing trace with hash -347632261, now seen corresponding path program 1 times [2023-11-06 23:00:05,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:05,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529643158] [2023-11-06 23:00:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:05,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:00:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:00:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:00:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:00:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:00:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:00:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:00:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 23:00:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:00:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:00:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 23:00:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 23:00:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:00:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 23:00:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 23:00:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-06 23:00:07,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:07,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529643158] [2023-11-06 23:00:07,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529643158] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:00:07,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363550314] [2023-11-06 23:00:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:07,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:07,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:07,845 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:07,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:00:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:09,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 2689 conjuncts, 102 conjunts are in the unsatisfiable core [2023-11-06 23:00:09,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:09,520 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2023-11-06 23:00:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:00:09,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:00:09,540 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 86 [2023-11-06 23:00:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-06 23:00:10,005 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:10,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363550314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:10,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:00:10,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 23 [2023-11-06 23:00:10,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080804707] [2023-11-06 23:00:10,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:10,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:00:10,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:10,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:00:10,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2023-11-06 23:00:10,009 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 6 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-06 23:00:11,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:11,758 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2023-11-06 23:00:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:00:11,759 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 6 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 104 [2023-11-06 23:00:11,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:11,760 INFO L225 Difference]: With dead ends: 101 [2023-11-06 23:00:11,760 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:00:11,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 120 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=143, Invalid=787, Unknown=0, NotChecked=0, Total=930 [2023-11-06 23:00:11,762 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 28 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:11,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 227 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 23:00:11,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:00:11,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:00:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:00:11,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2023-11-06 23:00:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:11,764 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:00:11,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 6 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-06 23:00:11,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:00:11,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:00:11,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:00:11,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:11,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:11,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:00:12,386 INFO L902 garLoopResultBuilder]: At program point L8735(line 8735) the Hoare annotation is: true [2023-11-06 23:00:12,386 INFO L899 garLoopResultBuilder]: For program point L8735-1(line 8735) no Hoare annotation was computed. [2023-11-06 23:00:12,386 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8734 8751) the Hoare annotation is: true [2023-11-06 23:00:12,386 INFO L899 garLoopResultBuilder]: For program point aws_secure_zeroEXIT(lines 8734 8751) no Hoare annotation was computed. [2023-11-06 23:00:12,386 INFO L899 garLoopResultBuilder]: For program point aws_secure_zeroFINAL(lines 8734 8751) no Hoare annotation was computed. [2023-11-06 23:00:12,387 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6800 6804) no Hoare annotation was computed. [2023-11-06 23:00:12,387 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0) (<= (+ 18410715276689353099 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (* 18446744073709551616 (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616))))) [2023-11-06 23:00:12,387 INFO L899 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2023-11-06 23:00:12,387 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_returnLabel#1(lines 6806 6816) the Hoare annotation is: (let ((.cse2 (select |#memory_int| |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base|))) (let ((.cse0 (select .cse2 8))) (let ((.cse3 (mod .cse0 18446744073709551616)) (.cse1 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (<= (+ .cse0 18410715276689353099) (* 18446744073709551616 (div (+ .cse0 18446744073708317066) 18446744073709551616))) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse1) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse1) (= (select .cse2 (+ 16 .cse3)) 0) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 0) (<= (+ .cse3 1) .cse1) (<= (+ 18410715276689353099 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (* 18446744073709551616 (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616))))))) [2023-11-06 23:00:12,387 INFO L895 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0) (= |old(#valid)| |#valid|))) [2023-11-06 23:00:12,388 INFO L899 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2023-11-06 23:00:12,388 INFO L895 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0) (<= (+ 18410715276689353099 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (* 18446744073709551616 (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616))))) [2023-11-06 23:00:12,388 INFO L899 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2023-11-06 23:00:12,388 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-06 23:00:12,388 INFO L899 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2023-11-06 23:00:12,388 INFO L899 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2023-11-06 23:00:12,389 INFO L895 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-06 23:00:12,389 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2023-11-06 23:00:12,389 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6800 6804) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-06 23:00:12,389 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6800 6804) no Hoare annotation was computed. [2023-11-06 23:00:12,389 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2023-11-06 23:00:12,389 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-06 23:00:12,389 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2023-11-06 23:00:12,389 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2023-11-06 23:00:12,390 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-06 23:00:12,390 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:00:12,390 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-06 23:00:12,390 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-06 23:00:12,390 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:00:12,390 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2023-11-06 23:00:12,390 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-06 23:00:12,390 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-06 23:00:12,391 INFO L899 garLoopResultBuilder]: For program point L7069-2(lines 7061 7074) no Hoare annotation was computed. [2023-11-06 23:00:12,391 INFO L899 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7061 7074) no Hoare annotation was computed. [2023-11-06 23:00:12,391 INFO L899 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2023-11-06 23:00:12,391 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 7061 7074) the Hoare annotation is: (= |old(#valid)| |#valid|) [2023-11-06 23:00:12,391 INFO L895 garLoopResultBuilder]: At program point L7062(lines 7062 7064) the Hoare annotation is: (= |old(#valid)| |#valid|) [2023-11-06 23:00:12,391 INFO L899 garLoopResultBuilder]: For program point L7065-1(lines 7065 7067) no Hoare annotation was computed. [2023-11-06 23:00:12,391 INFO L895 garLoopResultBuilder]: At program point L7065(lines 7065 7067) the Hoare annotation is: (= |old(#valid)| |#valid|) [2023-11-06 23:00:12,391 INFO L899 garLoopResultBuilder]: For program point L7062-1(lines 7062 7064) no Hoare annotation was computed. [2023-11-06 23:00:12,392 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6242 6246) no Hoare annotation was computed. [2023-11-06 23:00:12,392 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6242 6246) the Hoare annotation is: true [2023-11-06 23:00:12,392 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6242 6246) no Hoare annotation was computed. [2023-11-06 23:00:12,392 INFO L902 garLoopResultBuilder]: At program point L6244-1(line 6244) the Hoare annotation is: true [2023-11-06 23:00:12,392 INFO L899 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2023-11-06 23:00:12,392 INFO L902 garLoopResultBuilder]: At program point L6244(line 6244) the Hoare annotation is: true [2023-11-06 23:00:12,392 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-06 23:00:12,392 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-06 23:00:12,393 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-06 23:00:12,393 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-06 23:00:12,393 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2023-11-06 23:00:12,393 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6889 6891) the Hoare annotation is: true [2023-11-06 23:00:12,393 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2023-11-06 23:00:12,393 INFO L899 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2023-11-06 23:00:12,393 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2023-11-06 23:00:12,393 INFO L899 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2023-11-06 23:00:12,394 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2023-11-06 23:00:12,394 INFO L899 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2023-11-06 23:00:12,394 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6252 6257) the Hoare annotation is: true [2023-11-06 23:00:12,394 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2023-11-06 23:00:12,394 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-06 23:00:12,394 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2023-11-06 23:00:12,394 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-06 23:00:12,394 INFO L899 garLoopResultBuilder]: For program point L9210(lines 9210 9215) no Hoare annotation was computed. [2023-11-06 23:00:12,394 INFO L899 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2023-11-06 23:00:12,395 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(line 9553) the Hoare annotation is: true [2023-11-06 23:00:12,395 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:00:12,395 INFO L895 garLoopResultBuilder]: At program point L9211(line 9211) the Hoare annotation is: false [2023-11-06 23:00:12,395 INFO L899 garLoopResultBuilder]: For program point L9211-1(line 9211) no Hoare annotation was computed. [2023-11-06 23:00:12,395 INFO L899 garLoopResultBuilder]: For program point L9537(lines 9537 9552) no Hoare annotation was computed. [2023-11-06 23:00:12,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:00:12,395 INFO L895 garLoopResultBuilder]: At program point L9211-2(line 9211) the Hoare annotation is: false [2023-11-06 23:00:12,395 INFO L899 garLoopResultBuilder]: For program point L9211-3(line 9211) no Hoare annotation was computed. [2023-11-06 23:00:12,396 INFO L895 garLoopResultBuilder]: At program point L7118(line 7118) the Hoare annotation is: false [2023-11-06 23:00:12,396 INFO L899 garLoopResultBuilder]: For program point L7114(lines 7114 7122) no Hoare annotation was computed. [2023-11-06 23:00:12,396 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2023-11-06 23:00:12,396 INFO L899 garLoopResultBuilder]: For program point L7118-1(line 7118) no Hoare annotation was computed. [2023-11-06 23:00:12,396 INFO L902 garLoopResultBuilder]: At program point L9538(line 9538) the Hoare annotation is: true [2023-11-06 23:00:12,396 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:00:12,396 INFO L899 garLoopResultBuilder]: For program point L9212(lines 9212 9214) no Hoare annotation was computed. [2023-11-06 23:00:12,396 INFO L899 garLoopResultBuilder]: For program point L9538-1(line 9538) no Hoare annotation was computed. [2023-11-06 23:00:12,396 INFO L899 garLoopResultBuilder]: For program point L9208(lines 9208 9216) no Hoare annotation was computed. [2023-11-06 23:00:12,397 INFO L899 garLoopResultBuilder]: For program point L7119-1(line 7119) no Hoare annotation was computed. [2023-11-06 23:00:12,397 INFO L895 garLoopResultBuilder]: At program point L7119(line 7119) the Hoare annotation is: false [2023-11-06 23:00:12,397 INFO L899 garLoopResultBuilder]: For program point L7115(lines 7115 7121) no Hoare annotation was computed. [2023-11-06 23:00:12,397 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:00:12,397 INFO L895 garLoopResultBuilder]: At program point L9213(line 9213) the Hoare annotation is: (let ((.cse0 (= (mod |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256) 0))) (and (or (< (mod |ULTIMATE.start_aws_string_destroy_secure_harness_~len~2#1| 18446744073709551616) 1) .cse0) (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (let ((.cse1 (= |ULTIMATE.start_aws_string_destroy_secure_~str#1.base| 0))) (or (and (not .cse0) (not .cse1)) (and .cse1 .cse0))))) [2023-11-06 23:00:12,397 INFO L899 garLoopResultBuilder]: For program point L9213-1(line 9213) no Hoare annotation was computed. [2023-11-06 23:00:12,398 INFO L895 garLoopResultBuilder]: At program point L9209-4(line 9209) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_destroy_secure_~str#1.base| 0) (not (= |ULTIMATE.start_aws_string_destroy_secure_harness_~str~3#1.base| 0)) (= (mod |ULTIMATE.start_aws_string_destroy_secure_harness_~nondet_parameter~0#1| 256) 0) (= |ULTIMATE.start_aws_string_destroy_secure_~str#1.offset| 0)) [2023-11-06 23:00:12,398 INFO L899 garLoopResultBuilder]: For program point L9209-5(line 9209) no Hoare annotation was computed. [2023-11-06 23:00:12,398 INFO L899 garLoopResultBuilder]: For program point L9209(line 9209) no Hoare annotation was computed. [2023-11-06 23:00:12,398 INFO L895 garLoopResultBuilder]: At program point L9209-2(line 9209) the Hoare annotation is: false [2023-11-06 23:00:12,398 INFO L899 garLoopResultBuilder]: For program point L7124(lines 7124 7126) no Hoare annotation was computed. [2023-11-06 23:00:12,398 INFO L899 garLoopResultBuilder]: For program point L9209-3(line 9209) no Hoare annotation was computed. [2023-11-06 23:00:12,399 INFO L899 garLoopResultBuilder]: For program point L7120-1(line 7120) no Hoare annotation was computed. [2023-11-06 23:00:12,399 INFO L895 garLoopResultBuilder]: At program point L7120(line 7120) the Hoare annotation is: false [2023-11-06 23:00:12,399 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-06 23:00:12,399 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-06 23:00:12,399 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-06 23:00:12,399 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-06 23:00:12,400 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-06 23:00:12,400 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-06 23:00:12,402 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 23:00:12,405 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:00:12,414 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:12,415 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:12,417 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:12,417 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:12,419 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:12,419 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][16 + #memory_int[#res!base][8] % 18446744073709551616] could not be translated [2023-11-06 23:00:12,420 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator [2023-11-06 23:00:12,420 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:12,420 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:12,421 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:12,421 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:12,421 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:12,422 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:12,422 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:12,422 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][16 + #memory_int[#res!base][8] % 18446744073709551616] could not be translated [2023-11-06 23:00:12,423 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator [2023-11-06 23:00:12,423 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:12,423 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:12,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:00:12 BoogieIcfgContainer [2023-11-06 23:00:12,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:00:12,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:00:12,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:00:12,425 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:00:12,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:52" (3/4) ... [2023-11-06 23:00:12,428 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:00:12,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_secure_zero [2023-11-06 23:00:12,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2023-11-06 23:00:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-06 23:00:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-06 23:00:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-06 23:00:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2023-11-06 23:00:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2023-11-06 23:00:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 23:00:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-06 23:00:12,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-11-06 23:00:12,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-06 23:00:12,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-06 23:00:12,449 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 127 nodes and edges [2023-11-06 23:00:12,451 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2023-11-06 23:00:12,453 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-06 23:00:12,455 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 23:00:12,456 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 23:00:12,458 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:00:12,460 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 23:00:12,461 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:00:12,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(max_size) == max_size) && !((str == 0))) && (((len % 18446744073709551616) + 1) <= (\old(max_size) % 18446744073709551616))) && !((\result == 0))) && (((len % 18446744073709551616) + 1) <= (\old(max_size) % 18446744073709551616))) && ((18410715276689353099 + len) <= (18446744073709551616 * ((18446744073708317066 + len) / 18446744073709551616)))) [2023-11-06 23:00:13,452 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(max_size) == max_size) && !((str == 0))) && (((len % 18446744073709551616) + 1) <= (\old(max_size) % 18446744073709551616))) && !((\result == 0))) && (((len % 18446744073709551616) + 1) <= (\old(max_size) % 18446744073709551616))) && ((18410715276689353099 + len) <= (18446744073709551616 * ((18446744073708317066 + len) / 18446744073709551616)))) [2023-11-06 23:00:13,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:00:13,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:00:13,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:00:13,472 INFO L158 Benchmark]: Toolchain (without parser) took 28092.70ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 111.2MB in the beginning and 399.3MB in the end (delta: -288.2MB). Peak memory consumption was 281.8MB. Max. memory is 16.1GB. [2023-11-06 23:00:13,473 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:00:13,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4047.77ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 111.2MB in the beginning and 120.6MB in the end (delta: -9.5MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-11-06 23:00:13,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 332.12ms. Allocated memory is still 228.6MB. Free memory was 120.6MB in the beginning and 165.1MB in the end (delta: -44.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-06 23:00:13,474 INFO L158 Benchmark]: Boogie Preprocessor took 162.55ms. Allocated memory is still 228.6MB. Free memory was 165.1MB in the beginning and 158.8MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:00:13,475 INFO L158 Benchmark]: RCFGBuilder took 2203.02ms. Allocated memory is still 228.6MB. Free memory was 158.8MB in the beginning and 86.4MB in the end (delta: 72.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2023-11-06 23:00:13,475 INFO L158 Benchmark]: TraceAbstraction took 20287.65ms. Allocated memory was 228.6MB in the beginning and 419.4MB in the end (delta: 190.8MB). Free memory was 85.3MB in the beginning and 185.5MB in the end (delta: -100.2MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2023-11-06 23:00:13,476 INFO L158 Benchmark]: Witness Printer took 1046.86ms. Allocated memory was 419.4MB in the beginning and 503.3MB in the end (delta: 83.9MB). Free memory was 185.5MB in the beginning and 399.3MB in the end (delta: -213.8MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2023-11-06 23:00:13,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4047.77ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 111.2MB in the beginning and 120.6MB in the end (delta: -9.5MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 332.12ms. Allocated memory is still 228.6MB. Free memory was 120.6MB in the beginning and 165.1MB in the end (delta: -44.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.55ms. Allocated memory is still 228.6MB. Free memory was 165.1MB in the beginning and 158.8MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2203.02ms. Allocated memory is still 228.6MB. Free memory was 158.8MB in the beginning and 86.4MB in the end (delta: 72.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20287.65ms. Allocated memory was 228.6MB in the beginning and 419.4MB in the end (delta: 190.8MB). Free memory was 85.3MB in the beginning and 185.5MB in the end (delta: -100.2MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. * Witness Printer took 1046.86ms. Allocated memory was 419.4MB in the beginning and 503.3MB in the end (delta: 83.9MB). Free memory was 185.5MB in the beginning and 399.3MB in the end (delta: -213.8MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8253]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] - GenericResultAtLocation [Line: 8739]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][16 + #memory_int[#res!base][8] % 18446744073709551616] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][16 + #memory_int[#res!base][8] % 18446744073709551616] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 224 mSDsluCounter, 2897 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2557 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 772 IncrementalHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 340 mSDtfsCounter, 772 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 356 SyntacticMatches, 3 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 94 PreInvPairs, 102 NumberOfFragments, 401 HoareAnnotationTreeSize, 94 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 689 ConstructedInterpolants, 11 QuantifiedInterpolants, 2277 SizeOfPredicates, 39 NumberOfNonLiveVariables, 7889 ConjunctsInSsa, 181 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 278/326 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6806]: Loop Invariant [2023-11-06 23:00:13,501 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:13,502 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:13,503 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:13,503 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:13,504 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:13,504 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][16 + #memory_int[#res!base][8] % 18446744073709551616] could not be translated [2023-11-06 23:00:13,504 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator [2023-11-06 23:00:13,504 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:13,505 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:13,515 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:13,515 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:13,516 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:13,516 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated [2023-11-06 23:00:13,516 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:13,517 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][16 + #memory_int[#res!base][8] % 18446744073709551616] could not be translated [2023-11-06 23:00:13,517 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator [2023-11-06 23:00:13,517 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base] could not be translated [2023-11-06 23:00:13,517 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#res!base][8] could not be translated Derived loop invariant: ((((((\old(max_size) == max_size) && !((str == 0))) && (((len % 18446744073709551616) + 1) <= (\old(max_size) % 18446744073709551616))) && !((\result == 0))) && (((len % 18446744073709551616) + 1) <= (\old(max_size) % 18446744073709551616))) && ((18410715276689353099 + len) <= (18446744073709551616 * ((18446744073708317066 + len) / 18446744073709551616)))) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9553]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:00:13,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58ac2ad-f255-4f2d-a8b5-95a9d706e791/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE