./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:08,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:08,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:32:08,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:08,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:08,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:08,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:08,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:08,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:08,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:08,453 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:08,454 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:08,455 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:08,455 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:08,456 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:08,457 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:08,458 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:08,458 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:08,459 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:08,460 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:08,461 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:08,462 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:08,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:08,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:08,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:08,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:08,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:08,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:08,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:08,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:08,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:08,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:08,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:08,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:08,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:08,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:08,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:08,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:08,474 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:08,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:08,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:08,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:08,476 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:08,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:08,477 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 [2023-11-23 21:32:08,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:08,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:08,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:08,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:08,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:08,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2023-11-23 21:32:12,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:13,000 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:13,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2023-11-23 21:32:13,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/data/42ee1cbfd/0f151619485e4ec6b97dcd89d80e38e4/FLAGaf317b73a [2023-11-23 21:32:13,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/data/42ee1cbfd/0f151619485e4ec6b97dcd89d80e38e4 [2023-11-23 21:32:13,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:13,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:13,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:13,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:13,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:13,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:13,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d44a7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13, skipping insertion in model container [2023-11-23 21:32:13,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:13,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:13,490 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_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4494,4507] [2023-11-23 21:32:13,500 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_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4554,4567] [2023-11-23 21:32:14,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,704 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,705 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,722 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,723 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,725 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,727 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,728 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:14,728 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,168 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:32:15,170 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:32:15,171 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:32:15,172 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:32:15,173 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:32:15,174 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:32:15,175 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:32:15,175 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:32:15,176 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:32:15,177 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:32:15,430 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,437 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:15,564 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:15,577 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_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4494,4507] [2023-11-23 21:32:15,581 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_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4554,4567] [2023-11-23 21:32:15,667 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,668 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,668 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,669 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,670 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,678 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,679 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,680 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,681 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,682 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,683 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,684 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,684 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,723 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:32:15,724 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:32:15,725 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:32:15,726 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:32:15,728 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:32:15,729 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:32:15,729 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:32:15,730 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:32:15,731 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:32:15,732 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:32:15,765 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,772 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:32:15,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] [2023-11-23 21:32:15,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:16,188 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,188 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,189 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,190 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,190 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,190 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,192 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,193 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,193 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,193 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,193 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,193 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,194 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,194 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,194 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,195 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:16,204 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:16,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16 WrapperNode [2023-11-23 21:32:16,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:16,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:16,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:16,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:16,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,478 INFO L138 Inliner]: procedures = 690, calls = 1692, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 667 [2023-11-23 21:32:16,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:16,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:16,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:16,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:16,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:16,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:16,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:16,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:16,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (1/1) ... [2023-11-23 21:32:16,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:16,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:16,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:16,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:32:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 21:32:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 21:32:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 21:32:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 21:32:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 21:32:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 21:32:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 21:32:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 21:32:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:32:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:32:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:32:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:32:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-23 21:32:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-23 21:32:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:32:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:32:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-23 21:32:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-23 21:32:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-11-23 21:32:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-11-23 21:32:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 21:32:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 21:32:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-23 21:32:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-23 21:32:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-23 21:32:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-23 21:32:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-23 21:32:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-23 21:32:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:32:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:32:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 21:32:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 21:32:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 21:32:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 21:32:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-23 21:32:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-23 21:32:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:17,109 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:17,112 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:18,288 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:18,480 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:18,480 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:18,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:18 BoogieIcfgContainer [2023-11-23 21:32:18,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:18,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:18,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:18,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:18,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:13" (1/3) ... [2023-11-23 21:32:18,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f6e18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:18, skipping insertion in model container [2023-11-23 21:32:18,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:16" (2/3) ... [2023-11-23 21:32:18,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f6e18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:18, skipping insertion in model container [2023-11-23 21:32:18,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:18" (3/3) ... [2023-11-23 21:32:18,493 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness_negated.i [2023-11-23 21:32:18,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:18,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:18,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:18,588 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@236d6f3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:18,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 82 states have (on average 1.170731707317073) internal successors, (96), 83 states have internal predecessors, (96), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 21:32:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-23 21:32:18,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:18,612 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 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] [2023-11-23 21:32:18,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:18,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:18,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1114229418, now seen corresponding path program 1 times [2023-11-23 21:32:18,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:18,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325644727] [2023-11-23 21:32:18,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:18,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-23 21:32:20,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:20,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325644727] [2023-11-23 21:32:20,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325644727] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:32:20,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402209058] [2023-11-23 21:32:20,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:20,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:20,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:20,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:32:20,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:32:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:20,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 2199 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 21:32:20,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-23 21:32:21,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:21,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402209058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:21,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:32:21,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2023-11-23 21:32:21,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936278976] [2023-11-23 21:32:21,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:21,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:32:21,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:21,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:32:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:32:21,138 INFO L87 Difference]: Start difference. First operand has 157 states, 82 states have (on average 1.170731707317073) internal successors, (96), 83 states have internal predecessors, (96), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 8 states, 5 states have (on average 7.8) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-23 21:32:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:22,618 INFO L93 Difference]: Finished difference Result 269 states and 375 transitions. [2023-11-23 21:32:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:32:22,628 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 7.8) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 99 [2023-11-23 21:32:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:22,642 INFO L225 Difference]: With dead ends: 269 [2023-11-23 21:32:22,643 INFO L226 Difference]: Without dead ends: 151 [2023-11-23 21:32:22,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:32:22,659 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 4 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:22,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1171 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:32:22,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-23 21:32:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2023-11-23 21:32:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 79 states have internal predecessors, (87), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:32:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 197 transitions. [2023-11-23 21:32:22,742 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 197 transitions. Word has length 99 [2023-11-23 21:32:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:22,745 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 197 transitions. [2023-11-23 21:32:22,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 7.8) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-23 21:32:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 197 transitions. [2023-11-23 21:32:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:32:22,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:22,754 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:22,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:22,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:32:22,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:22,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:22,982 INFO L85 PathProgramCache]: Analyzing trace with hash -818925885, now seen corresponding path program 1 times [2023-11-23 21:32:22,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:22,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580576351] [2023-11-23 21:32:22,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:22,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-23 21:32:24,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:24,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580576351] [2023-11-23 21:32:24,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580576351] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:32:24,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923933845] [2023-11-23 21:32:24,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:24,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:24,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:24,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:32:24,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:32:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:24,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:32:24,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-23 21:32:24,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:24,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923933845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:24,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:32:24,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-23 21:32:24,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627473948] [2023-11-23 21:32:24,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:24,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:32:24,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:24,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:32:24,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:32:24,773 INFO L87 Difference]: Start difference. First operand 151 states and 197 transitions. Second operand has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 21:32:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:25,187 INFO L93 Difference]: Finished difference Result 249 states and 333 transitions. [2023-11-23 21:32:25,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:32:25,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 107 [2023-11-23 21:32:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:25,198 INFO L225 Difference]: With dead ends: 249 [2023-11-23 21:32:25,198 INFO L226 Difference]: Without dead ends: 153 [2023-11-23 21:32:25,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:32:25,201 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:25,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 632 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:32:25,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-23 21:32:25,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2023-11-23 21:32:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 79 states have (on average 1.1139240506329113) internal successors, (88), 81 states have internal predecessors, (88), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (61), 54 states have call predecessors, (61), 54 states have call successors, (61) [2023-11-23 21:32:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 205 transitions. [2023-11-23 21:32:25,244 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 205 transitions. Word has length 107 [2023-11-23 21:32:25,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:25,247 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 205 transitions. [2023-11-23 21:32:25,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 21:32:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 205 transitions. [2023-11-23 21:32:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 21:32:25,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:25,255 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:25,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:25,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:25,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:25,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:25,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1391040892, now seen corresponding path program 1 times [2023-11-23 21:32:25,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:25,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666891313] [2023-11-23 21:32:25,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:25,605 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:32:25,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041308484] [2023-11-23 21:32:25,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:25,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:25,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:25,607 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:32:25,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:32:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:26,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:32:26,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:26,379 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 21:32:26,379 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:26,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:26,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666891313] [2023-11-23 21:32:26,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:32:26,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041308484] [2023-11-23 21:32:26,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041308484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:26,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:26,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:32:26,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405044552] [2023-11-23 21:32:26,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:26,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:32:26,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:26,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:32:26,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:32:26,393 INFO L87 Difference]: Start difference. First operand 153 states and 205 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-23 21:32:26,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:26,790 INFO L93 Difference]: Finished difference Result 204 states and 262 transitions. [2023-11-23 21:32:26,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:32:26,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 116 [2023-11-23 21:32:26,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:26,792 INFO L225 Difference]: With dead ends: 204 [2023-11-23 21:32:26,792 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:32:26,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:32:26,795 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 7 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:26,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 256 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:32:26,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:32:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:32:26,797 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) [2023-11-23 21:32:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:32:26,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2023-11-23 21:32:26,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:26,798 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:32:26,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-23 21:32:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:32:26,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:32:26,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:26,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:27,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:27,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:32:27,186 INFO L899 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2023-11-23 21:32:27,187 INFO L902 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: true [2023-11-23 21:32:27,187 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2778 2783) the Hoare annotation is: true [2023-11-23 21:32:27,187 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2023-11-23 21:32:27,187 INFO L899 garLoopResultBuilder]: For program point L7003-1(line 7003) no Hoare annotation was computed. [2023-11-23 21:32:27,187 INFO L902 garLoopResultBuilder]: At program point L7003(line 7003) the Hoare annotation is: true [2023-11-23 21:32:27,187 INFO L899 garLoopResultBuilder]: For program point L7005-1(line 7005) no Hoare annotation was computed. [2023-11-23 21:32:27,187 INFO L902 garLoopResultBuilder]: At program point L7005(line 7005) the Hoare annotation is: true [2023-11-23 21:32:27,189 INFO L899 garLoopResultBuilder]: For program point L6999-4(lines 6998 7010) no Hoare annotation was computed. [2023-11-23 21:32:27,189 INFO L899 garLoopResultBuilder]: For program point L6999-2(lines 6999 7009) no Hoare annotation was computed. [2023-11-23 21:32:27,189 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 6998 7010) no Hoare annotation was computed. [2023-11-23 21:32:27,189 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6998 7010) the Hoare annotation is: true [2023-11-23 21:32:27,189 INFO L902 garLoopResultBuilder]: At program point L7006(line 7006) the Hoare annotation is: true [2023-11-23 21:32:27,189 INFO L899 garLoopResultBuilder]: For program point L7008-1(line 7008) no Hoare annotation was computed. [2023-11-23 21:32:27,189 INFO L902 garLoopResultBuilder]: At program point L7008(line 7008) the Hoare annotation is: true [2023-11-23 21:32:27,190 INFO L899 garLoopResultBuilder]: For program point L7006-3(lines 7006 7008) no Hoare annotation was computed. [2023-11-23 21:32:27,190 INFO L899 garLoopResultBuilder]: For program point L7006-1(lines 7006 7008) no Hoare annotation was computed. [2023-11-23 21:32:27,190 INFO L899 garLoopResultBuilder]: For program point L7000-1(lines 7000 7002) no Hoare annotation was computed. [2023-11-23 21:32:27,190 INFO L902 garLoopResultBuilder]: At program point L7000(lines 7000 7002) the Hoare annotation is: true [2023-11-23 21:32:27,190 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6984 6996) no Hoare annotation was computed. [2023-11-23 21:32:27,190 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6984 6996) the Hoare annotation is: true [2023-11-23 21:32:27,190 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2023-11-23 21:32:27,191 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3259 3286) the Hoare annotation is: true [2023-11-23 21:32:27,191 INFO L899 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2023-11-23 21:32:27,191 INFO L895 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0)) [2023-11-23 21:32:27,191 INFO L899 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2023-11-23 21:32:27,191 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2023-11-23 21:32:27,192 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-23 21:32:27,192 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-23 21:32:27,192 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7162 7166) no Hoare annotation was computed. [2023-11-23 21:32:27,192 INFO L899 garLoopResultBuilder]: For program point L7163(lines 7163 7165) no Hoare annotation was computed. [2023-11-23 21:32:27,193 INFO L899 garLoopResultBuilder]: For program point L7164-1(line 7164) no Hoare annotation was computed. [2023-11-23 21:32:27,193 INFO L902 garLoopResultBuilder]: At program point L7164(line 7164) the Hoare annotation is: true [2023-11-23 21:32:27,193 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7162 7166) the Hoare annotation is: true [2023-11-23 21:32:27,193 INFO L899 garLoopResultBuilder]: For program point L7163-2(lines 7162 7166) no Hoare annotation was computed. [2023-11-23 21:32:27,195 INFO L899 garLoopResultBuilder]: For program point nondet_size_tEXIT(line 263) no Hoare annotation was computed. [2023-11-23 21:32:27,195 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 263) the Hoare annotation is: true [2023-11-23 21:32:27,195 INFO L902 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: true [2023-11-23 21:32:27,196 INFO L899 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2023-11-23 21:32:27,196 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2023-11-23 21:32:27,196 INFO L902 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2023-11-23 21:32:27,196 INFO L899 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2023-11-23 21:32:27,196 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2584 2592) the Hoare annotation is: true [2023-11-23 21:32:27,197 INFO L899 garLoopResultBuilder]: For program point aws_mul_u64_checked_returnLabel#1(lines 2495 2500) no Hoare annotation was computed. [2023-11-23 21:32:27,197 INFO L902 garLoopResultBuilder]: At program point L7346(line 7346) the Hoare annotation is: true [2023-11-23 21:32:27,197 INFO L902 garLoopResultBuilder]: At program point L7349-3(lines 7349 7350) the Hoare annotation is: true [2023-11-23 21:32:27,197 INFO L899 garLoopResultBuilder]: For program point L7347(line 7347) no Hoare annotation was computed. [2023-11-23 21:32:27,197 INFO L902 garLoopResultBuilder]: At program point L7342(line 7342) the Hoare annotation is: true [2023-11-23 21:32:27,199 INFO L899 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7341 7353) no Hoare annotation was computed. [2023-11-23 21:32:27,199 INFO L902 garLoopResultBuilder]: At program point L7342-1(line 7342) the Hoare annotation is: true [2023-11-23 21:32:27,200 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7341 7353) the Hoare annotation is: true [2023-11-23 21:32:27,200 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2023-11-23 21:32:27,200 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3487 3498) the Hoare annotation is: true [2023-11-23 21:32:27,200 INFO L902 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2023-11-23 21:32:27,200 INFO L902 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2023-11-23 21:32:27,200 INFO L899 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2023-11-23 21:32:27,200 INFO L902 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2023-11-23 21:32:27,201 INFO L899 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2023-11-23 21:32:27,201 INFO L902 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2023-11-23 21:32:27,201 INFO L899 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2023-11-23 21:32:27,201 INFO L902 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2023-11-23 21:32:27,201 INFO L902 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2023-11-23 21:32:27,204 INFO L902 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2023-11-23 21:32:27,204 INFO L899 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2023-11-23 21:32:27,205 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2023-11-23 21:32:27,205 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2795 2799) the Hoare annotation is: true [2023-11-23 21:32:27,205 INFO L899 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2023-11-23 21:32:27,205 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2023-11-23 21:32:27,205 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-23 21:32:27,206 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-23 21:32:27,206 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1988 1999) the Hoare annotation is: true [2023-11-23 21:32:27,206 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-11-23 21:32:27,206 INFO L899 garLoopResultBuilder]: For program point L7356-1(line 7356) no Hoare annotation was computed. [2023-11-23 21:32:27,206 INFO L902 garLoopResultBuilder]: At program point L7356(line 7356) the Hoare annotation is: true [2023-11-23 21:32:27,207 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7355 7357) the Hoare annotation is: true [2023-11-23 21:32:27,207 INFO L899 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7355 7357) no Hoare annotation was computed. [2023-11-23 21:32:27,207 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2785 2787) the Hoare annotation is: true [2023-11-23 21:32:27,207 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2023-11-23 21:32:27,207 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2023-11-23 21:32:27,207 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 256) the Hoare annotation is: true [2023-11-23 21:32:27,208 INFO L899 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2023-11-23 21:32:27,208 INFO L895 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2023-11-23 21:32:27,208 INFO L899 garLoopResultBuilder]: For program point L7170-1(line 7170) no Hoare annotation was computed. [2023-11-23 21:32:27,208 INFO L899 garLoopResultBuilder]: For program point L7963-1(line 7963) no Hoare annotation was computed. [2023-11-23 21:32:27,208 INFO L895 garLoopResultBuilder]: At program point L7963(line 7963) the Hoare annotation is: false [2023-11-23 21:32:27,209 INFO L899 garLoopResultBuilder]: For program point L7187-1(line 7187) no Hoare annotation was computed. [2023-11-23 21:32:27,209 INFO L895 garLoopResultBuilder]: At program point L7187(line 7187) the Hoare annotation is: false [2023-11-23 21:32:27,209 INFO L899 garLoopResultBuilder]: For program point L7947-1(line 7947) no Hoare annotation was computed. [2023-11-23 21:32:27,209 INFO L895 garLoopResultBuilder]: At program point L7947(line 7947) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 21:32:27,209 INFO L899 garLoopResultBuilder]: For program point L7171-1(line 7171) no Hoare annotation was computed. [2023-11-23 21:32:27,210 INFO L895 garLoopResultBuilder]: At program point L7171(line 7171) the Hoare annotation is: (or (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 21:32:27,210 INFO L899 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2023-11-23 21:32:27,210 INFO L895 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2023-11-23 21:32:27,210 INFO L899 garLoopResultBuilder]: For program point L7964-1(line 7964) no Hoare annotation was computed. [2023-11-23 21:32:27,210 INFO L895 garLoopResultBuilder]: At program point L7964(line 7964) the Hoare annotation is: false [2023-11-23 21:32:27,211 INFO L899 garLoopResultBuilder]: For program point L7188-1(line 7188) no Hoare annotation was computed. [2023-11-23 21:32:27,211 INFO L895 garLoopResultBuilder]: At program point L7188(line 7188) the Hoare annotation is: false [2023-11-23 21:32:27,211 INFO L899 garLoopResultBuilder]: For program point L7948-1(line 7948) no Hoare annotation was computed. [2023-11-23 21:32:27,211 INFO L895 garLoopResultBuilder]: At program point L7948(line 7948) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 21:32:27,211 INFO L899 garLoopResultBuilder]: For program point L7965-1(line 7965) no Hoare annotation was computed. [2023-11-23 21:32:27,211 INFO L895 garLoopResultBuilder]: At program point L7965(line 7965) the Hoare annotation is: false [2023-11-23 21:32:27,212 INFO L899 garLoopResultBuilder]: For program point L7957-2(line 7957) no Hoare annotation was computed. [2023-11-23 21:32:27,212 INFO L895 garLoopResultBuilder]: At program point L7957-1(line 7957) the Hoare annotation is: (or (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret813#1| 0) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 21:32:27,212 INFO L899 garLoopResultBuilder]: For program point L7189-1(line 7189) no Hoare annotation was computed. [2023-11-23 21:32:27,212 INFO L895 garLoopResultBuilder]: At program point L7957(line 7957) the Hoare annotation is: (or (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 21:32:27,212 INFO L895 garLoopResultBuilder]: At program point L7189(line 7189) the Hoare annotation is: false [2023-11-23 21:32:27,213 INFO L895 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2023-11-23 21:32:27,213 INFO L895 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2023-11-23 21:32:27,213 INFO L899 garLoopResultBuilder]: For program point L7949-1(line 7949) no Hoare annotation was computed. [2023-11-23 21:32:27,213 INFO L895 garLoopResultBuilder]: At program point L7949(line 7949) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 21:32:27,213 INFO L899 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2023-11-23 21:32:27,214 INFO L899 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2023-11-23 21:32:27,214 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:32:27,214 INFO L899 garLoopResultBuilder]: For program point aws_array_list_front_returnLabel#1(lines 3328 3343) no Hoare annotation was computed. [2023-11-23 21:32:27,214 INFO L899 garLoopResultBuilder]: For program point L7190(lines 7190 7192) no Hoare annotation was computed. [2023-11-23 21:32:27,214 INFO L899 garLoopResultBuilder]: For program point L7958-3(line 7958) no Hoare annotation was computed. [2023-11-23 21:32:27,214 INFO L895 garLoopResultBuilder]: At program point L7958-2(line 7958) the Hoare annotation is: (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0) (not |ULTIMATE.start_aws_array_list_front_harness_#t~short815#1|)) [2023-11-23 21:32:27,215 INFO L895 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2023-11-23 21:32:27,215 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2023-11-23 21:32:27,215 INFO L895 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2023-11-23 21:32:27,215 INFO L899 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2023-11-23 21:32:27,215 INFO L899 garLoopResultBuilder]: For program point L7191-1(line 7191) no Hoare annotation was computed. [2023-11-23 21:32:27,216 INFO L895 garLoopResultBuilder]: At program point L7191(line 7191) the Hoare annotation is: false [2023-11-23 21:32:27,216 INFO L899 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2023-11-23 21:32:27,216 INFO L895 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2023-11-23 21:32:27,216 INFO L899 garLoopResultBuilder]: For program point L7184-1(line 7184) no Hoare annotation was computed. [2023-11-23 21:32:27,216 INFO L895 garLoopResultBuilder]: At program point L7184(line 7184) the Hoare annotation is: false [2023-11-23 21:32:27,216 INFO L899 garLoopResultBuilder]: For program point L7944-2(line 7944) no Hoare annotation was computed. [2023-11-23 21:32:27,217 INFO L895 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2023-11-23 21:32:27,217 INFO L895 garLoopResultBuilder]: At program point L7944-1(line 7944) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 21:32:27,217 INFO L895 garLoopResultBuilder]: At program point L7944(line 7944) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 21:32:27,217 INFO L899 garLoopResultBuilder]: For program point L7176(lines 7176 7193) no Hoare annotation was computed. [2023-11-23 21:32:27,217 INFO L899 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2023-11-23 21:32:27,218 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:32:27,218 INFO L899 garLoopResultBuilder]: For program point L7168(lines 7168 7174) no Hoare annotation was computed. [2023-11-23 21:32:27,218 INFO L899 garLoopResultBuilder]: For program point L7969-1(line 7969) no Hoare annotation was computed. [2023-11-23 21:32:27,218 INFO L895 garLoopResultBuilder]: At program point L7969(line 7969) the Hoare annotation is: false [2023-11-23 21:32:27,218 INFO L895 garLoopResultBuilder]: At program point L7961-2(lines 7961 7966) the Hoare annotation is: false [2023-11-23 21:32:27,218 INFO L899 garLoopResultBuilder]: For program point L7961(lines 7961 7966) no Hoare annotation was computed. [2023-11-23 21:32:27,219 INFO L895 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2023-11-23 21:32:27,219 INFO L895 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2023-11-23 21:32:27,219 INFO L895 garLoopResultBuilder]: At program point L7945-1(line 7945) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 21:32:27,219 INFO L895 garLoopResultBuilder]: At program point L7945(line 7945) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 21:32:27,219 INFO L899 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2023-11-23 21:32:27,219 INFO L899 garLoopResultBuilder]: For program point L7169(lines 7169 7173) no Hoare annotation was computed. [2023-11-23 21:32:27,220 INFO L895 garLoopResultBuilder]: At program point L7186(line 7186) the Hoare annotation is: false [2023-11-23 21:32:27,220 INFO L899 garLoopResultBuilder]: For program point L7186-1(line 7186) no Hoare annotation was computed. [2023-11-23 21:32:27,220 INFO L895 garLoopResultBuilder]: At program point L7946(line 7946) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) [2023-11-23 21:32:27,220 INFO L899 garLoopResultBuilder]: For program point L7946-1(line 7946) no Hoare annotation was computed. [2023-11-23 21:32:27,220 INFO L895 garLoopResultBuilder]: At program point L7170(line 7170) the Hoare annotation is: (or (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (and (= 0 |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.offset|) (= |ULTIMATE.start_aws_array_list_front_harness_~val~0#1.base| 0))) [2023-11-23 21:32:27,221 INFO L895 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2023-11-23 21:32:27,221 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-23 21:32:27,221 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-23 21:32:27,221 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-23 21:32:27,221 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-23 21:32:27,221 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-23 21:32:27,222 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-23 21:32:27,224 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 21:32:27,227 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:27,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:27 BoogieIcfgContainer [2023-11-23 21:32:27,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:27,244 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:27,244 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:27,244 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:27,245 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:18" (3/4) ... [2023-11-23 21:32:27,247 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:32:27,251 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2023-11-23 21:32:27,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-23 21:32:27,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2023-11-23 21:32:27,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2023-11-23 21:32:27,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2023-11-23 21:32:27,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-23 21:32:27,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 21:32:27,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-11-23 21:32:27,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2023-11-23 21:32:27,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-23 21:32:27,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2023-11-23 21:32:27,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2023-11-23 21:32:27,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2023-11-23 21:32:27,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2023-11-23 21:32:27,253 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2023-11-23 21:32:27,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2023-11-23 21:32:27,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:32:27,282 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 165 nodes and edges [2023-11-23 21:32:27,285 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2023-11-23 21:32:27,287 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-23 21:32:27,288 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 21:32:27,290 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 21:32:27,292 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:32:27,293 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:32:27,295 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:32:28,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:32:28,035 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:32:28,035 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:28,036 INFO L158 Benchmark]: Toolchain (without parser) took 14953.28ms. Allocated memory was 146.8MB in the beginning and 257.9MB in the end (delta: 111.1MB). Free memory was 92.4MB in the beginning and 80.7MB in the end (delta: 11.6MB). Peak memory consumption was 169.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:28,036 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 109.1MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:28,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3123.07ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 92.0MB in the beginning and 107.9MB in the end (delta: -16.0MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-11-23 21:32:28,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 271.90ms. Allocated memory is still 178.3MB. Free memory was 107.9MB in the beginning and 98.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:32:28,037 INFO L158 Benchmark]: Boogie Preprocessor took 102.32ms. Allocated memory is still 178.3MB. Free memory was 98.7MB in the beginning and 92.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:28,037 INFO L158 Benchmark]: RCFGBuilder took 1899.22ms. Allocated memory is still 178.3MB. Free memory was 92.4MB in the beginning and 79.4MB in the end (delta: 13.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-23 21:32:28,038 INFO L158 Benchmark]: TraceAbstraction took 8757.88ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 79.4MB in the beginning and 78.9MB in the end (delta: 432.5kB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:28,038 INFO L158 Benchmark]: Witness Printer took 790.81ms. Allocated memory is still 257.9MB. Free memory was 78.9MB in the beginning and 80.7MB in the end (delta: -1.8MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:28,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 109.1MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3123.07ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 92.0MB in the beginning and 107.9MB in the end (delta: -16.0MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 271.90ms. Allocated memory is still 178.3MB. Free memory was 107.9MB in the beginning and 98.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.32ms. Allocated memory is still 178.3MB. Free memory was 98.7MB in the beginning and 92.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1899.22ms. Allocated memory is still 178.3MB. Free memory was 92.4MB in the beginning and 79.4MB in the end (delta: 13.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8757.88ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 79.4MB in the beginning and 78.9MB in the end (delta: 432.5kB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. * Witness Printer took 790.81ms. Allocated memory is still 257.9MB. Free memory was 78.9MB in the beginning and 80.7MB in the end (delta: -1.8MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7735]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] * 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 18 procedures, 157 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 2059 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1656 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 403 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 256 PreInvPairs, 269 NumberOfFragments, 144 HoareAnnotationTreeSize, 256 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 74 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 523 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 SizeOfPredicates, 6 NumberOfNonLiveVariables, 6801 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 679/710 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: 7349]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-23 21:32:28,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3edd6a0-7e36-48cc-837a-e1a76d21f68b/bin/utaipan-verify-mE87zJ7Ire/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