./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_next_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_next_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5bb1e95e9d6379d31cbb3e207d6fe85ddf495edebf9b764e927537f63dbf829e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 05:03:10,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:03:10,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:03:10,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:03:10,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:03:10,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:03:10,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:03:10,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:03:10,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:03:10,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:03:10,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:03:10,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:03:10,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:03:10,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:03:10,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:03:10,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:03:10,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:03:10,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:03:10,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:03:10,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:03:10,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:03:10,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:03:10,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:03:10,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:03:10,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:03:10,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:03:10,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:03:10,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:03:10,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:03:10,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:03:10,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:03:10,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:03:10,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:03:10,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:03:10,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:03:10,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:03:10,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:03:10,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:03:10,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:03:10,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:03:10,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:03:10,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:03:10,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:03:10,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:03:10,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:03:10,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:03:10,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:03:10,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:03:10,627 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:03:10,627 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:03:10,627 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:03:10,627 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:03:10,627 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:03:10,627 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:03:10,628 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:03:10,628 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:03:10,628 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:03:10,628 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:03:10,628 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:03:10,628 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:03:10,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:03:10,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:03:10,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:03:10,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:03:10,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:03:10,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:03:10,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:03:10,630 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:03:10,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:03:10,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:03:10,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:03:10,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:03:10,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:03:10,631 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:03:10,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:03:10,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:03:10,632 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:03:10,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:03:10,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:03:10,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:03:10,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bb1e95e9d6379d31cbb3e207d6fe85ddf495edebf9b764e927537f63dbf829e [2022-12-14 05:03:10,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:03:10,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:03:10,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:03:10,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:03:10,848 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:03:10,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_linked_list_next_harness.i [2022-12-14 05:03:13,451 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:03:13,743 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:03:13,743 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/sv-benchmarks/c/aws-c-common/aws_linked_list_next_harness.i [2022-12-14 05:03:13,777 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/data/c5b323a3c/cb1a8838b47f4371876d6d601001d145/FLAG0ea74a7bf [2022-12-14 05:03:14,010 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/data/c5b323a3c/cb1a8838b47f4371876d6d601001d145 [2022-12-14 05:03:14,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:03:14,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:03:14,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:03:14,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:03:14,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:03:14,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:03:14" (1/1) ... [2022-12-14 05:03:14,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dff68de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:14, skipping insertion in model container [2022-12-14 05:03:14,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:03:14" (1/1) ... [2022-12-14 05:03:14,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:03:14,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:03:14,306 WARN L237 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_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/sv-benchmarks/c/aws-c-common/aws_linked_list_next_harness.i[4494,4507] [2022-12-14 05:03:14,312 WARN L237 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_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/sv-benchmarks/c/aws-c-common/aws_linked_list_next_harness.i[4554,4567] [2022-12-14 05:03:14,903 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,903 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,904 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,905 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,906 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,920 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,921 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,923 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,923 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,925 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,926 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,927 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,927 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:14,993 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:03:14,993 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:03:14,994 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:03:14,997 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:03:14,998 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:03:14,999 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:03:15,249 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:03:15,250 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:03:15,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:03:15,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:03:15,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:03:15,254 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:03:15,255 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:03:15,255 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:03:15,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:03:15,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:03:15,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:03:15,401 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:03:15,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:03:15,439 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:03:15,451 WARN L237 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_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/sv-benchmarks/c/aws-c-common/aws_linked_list_next_harness.i[4494,4507] [2022-12-14 05:03:15,452 WARN L237 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_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/sv-benchmarks/c/aws-c-common/aws_linked_list_next_harness.i[4554,4567] [2022-12-14 05:03:15,519 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,520 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,520 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,521 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,521 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,528 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,529 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,538 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,538 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,540 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,540 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,541 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,541 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:03:15,549 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:03:15,549 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:03:15,549 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:03:15,553 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:03:15,554 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:03:15,554 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:03:15,569 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:03:15,570 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:03:15,570 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:03:15,571 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:03:15,572 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:03:15,572 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:03:15,573 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:03:15,573 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:03:15,573 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:03:15,574 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:03:15,574 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:03:15,588 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:03:15,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:03:15,735 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:03:15,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15 WrapperNode [2022-12-14 05:03:15,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:03:15,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:03:15,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:03:15,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:03:15,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,796 INFO L138 Inliner]: procedures = 679, calls = 1038, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 57 [2022-12-14 05:03:15,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:03:15,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:03:15,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:03:15,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:03:15,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:03:15,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:03:15,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:03:15,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:03:15,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (1/1) ... [2022-12-14 05:03:15,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:03:15,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:15,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:03:15,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:03:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:03:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 05:03:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 05:03:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-12-14 05:03:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-12-14 05:03:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:03:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:03:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:03:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:03:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 05:03:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 05:03:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:03:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:03:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:03:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-12-14 05:03:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-12-14 05:03:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:03:16,065 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:03:16,066 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:03:16,192 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:03:16,251 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:03:16,251 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:03:16,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:16 BoogieIcfgContainer [2022-12-14 05:03:16,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:03:16,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:03:16,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:03:16,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:03:16,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:03:14" (1/3) ... [2022-12-14 05:03:16,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b3a9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:03:16, skipping insertion in model container [2022-12-14 05:03:16,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:15" (2/3) ... [2022-12-14 05:03:16,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b3a9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:03:16, skipping insertion in model container [2022-12-14 05:03:16,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:16" (3/3) ... [2022-12-14 05:03:16,259 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_next_harness.i [2022-12-14 05:03:16,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:03:16,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:03:16,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:03:16,310 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6409dd86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:03:16,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:03:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 05:03:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 05:03:16,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:16,319 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:16,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:16,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1641023013, now seen corresponding path program 1 times [2022-12-14 05:03:16,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:16,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746226732] [2022-12-14 05:03:16,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:16,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:03:17,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:17,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746226732] [2022-12-14 05:03:17,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746226732] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:17,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:17,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 05:03:17,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370193898] [2022-12-14 05:03:17,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:17,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:03:17,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:17,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:03:17,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:03:17,711 INFO L87 Difference]: Start difference. First operand has 33 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 05:03:17,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:17,913 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2022-12-14 05:03:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:03:17,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 15 [2022-12-14 05:03:17,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:17,922 INFO L225 Difference]: With dead ends: 62 [2022-12-14 05:03:17,922 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 05:03:17,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:03:17,929 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 11 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:17,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 98 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:17,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 05:03:17,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-14 05:03:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 18 states have internal predecessors, (18), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 05:03:17,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-12-14 05:03:17,968 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 15 [2022-12-14 05:03:17,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:17,969 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-12-14 05:03:17,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 05:03:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-12-14 05:03:17,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 05:03:17,970 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:17,971 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:17,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:03:17,971 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:17,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:17,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1604551445, now seen corresponding path program 1 times [2022-12-14 05:03:17,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:17,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496661819] [2022-12-14 05:03:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:17,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:03:19,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:19,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496661819] [2022-12-14 05:03:19,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496661819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:19,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:19,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 05:03:19,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907140504] [2022-12-14 05:03:19,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:19,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 05:03:19,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:19,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 05:03:19,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:03:19,024 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-14 05:03:19,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:19,218 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-12-14 05:03:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:03:19,219 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 24 [2022-12-14 05:03:19,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:19,220 INFO L225 Difference]: With dead ends: 41 [2022-12-14 05:03:19,220 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 05:03:19,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:03:19,221 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:19,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 112 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:19,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 05:03:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-12-14 05:03:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 05:03:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-12-14 05:03:19,235 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 24 [2022-12-14 05:03:19,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:19,235 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-12-14 05:03:19,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-14 05:03:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-12-14 05:03:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 05:03:19,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:19,236 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:19,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:03:19,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:19,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1133002952, now seen corresponding path program 1 times [2022-12-14 05:03:19,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:19,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893136061] [2022-12-14 05:03:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:19,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 05:03:19,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:19,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893136061] [2022-12-14 05:03:19,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893136061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:19,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:19,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:03:19,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938629248] [2022-12-14 05:03:19,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:19,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:03:19,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:19,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:03:19,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:03:19,399 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 05:03:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:19,502 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2022-12-14 05:03:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:03:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 30 [2022-12-14 05:03:19,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:19,504 INFO L225 Difference]: With dead ends: 45 [2022-12-14 05:03:19,504 INFO L226 Difference]: Without dead ends: 43 [2022-12-14 05:03:19,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:03:19,505 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 9 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:19,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 108 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:19,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-14 05:03:19,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-14 05:03:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 05:03:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2022-12-14 05:03:19,517 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 30 [2022-12-14 05:03:19,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:19,517 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-12-14 05:03:19,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 05:03:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-12-14 05:03:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 05:03:19,518 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:19,518 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:19,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:03:19,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:19,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:19,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1632940168, now seen corresponding path program 1 times [2022-12-14 05:03:19,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:19,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75135522] [2022-12-14 05:03:19,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:19,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 05:03:20,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:20,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75135522] [2022-12-14 05:03:20,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75135522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:20,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:20,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 05:03:20,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758731205] [2022-12-14 05:03:20,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:20,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 05:03:20,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:20,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 05:03:20,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:03:20,448 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-14 05:03:20,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:20,652 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2022-12-14 05:03:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:03:20,653 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 39 [2022-12-14 05:03:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:20,653 INFO L225 Difference]: With dead ends: 49 [2022-12-14 05:03:20,654 INFO L226 Difference]: Without dead ends: 47 [2022-12-14 05:03:20,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:03:20,654 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 9 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:20,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 110 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:03:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-14 05:03:20,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-12-14 05:03:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 27 states have internal predecessors, (27), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 05:03:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2022-12-14 05:03:20,666 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 39 [2022-12-14 05:03:20,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:20,666 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2022-12-14 05:03:20,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-14 05:03:20,666 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2022-12-14 05:03:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 05:03:20,667 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:20,667 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:20,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:03:20,668 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:20,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:20,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1174741246, now seen corresponding path program 1 times [2022-12-14 05:03:20,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:20,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571107251] [2022-12-14 05:03:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:20,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 05:03:21,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:21,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571107251] [2022-12-14 05:03:21,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571107251] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:21,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:21,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 05:03:21,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727814826] [2022-12-14 05:03:21,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:21,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 05:03:21,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:21,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 05:03:21,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:03:21,904 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand has 11 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 6 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-12-14 05:03:22,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:22,162 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2022-12-14 05:03:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 05:03:22,162 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 6 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 48 [2022-12-14 05:03:22,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:22,163 INFO L225 Difference]: With dead ends: 53 [2022-12-14 05:03:22,163 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 05:03:22,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-12-14 05:03:22,165 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 12 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:22,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 116 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:03:22,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 05:03:22,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-14 05:03:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.0) internal successors, (28), 28 states have internal predecessors, (28), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 05:03:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2022-12-14 05:03:22,176 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 48 [2022-12-14 05:03:22,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:22,177 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2022-12-14 05:03:22,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 6 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-12-14 05:03:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2022-12-14 05:03:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 05:03:22,178 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:22,178 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:22,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:03:22,179 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash 598106773, now seen corresponding path program 1 times [2022-12-14 05:03:22,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:22,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125692011] [2022-12-14 05:03:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:22,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 05:03:22,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:22,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125692011] [2022-12-14 05:03:22,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125692011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:22,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:22,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 05:03:22,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293371105] [2022-12-14 05:03:22,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:22,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 05:03:22,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:22,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 05:03:22,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:03:22,593 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 10 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 6 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 4 states have call predecessors, (11), 6 states have call successors, (11) [2022-12-14 05:03:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:22,735 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2022-12-14 05:03:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:03:22,735 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 6 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 4 states have call predecessors, (11), 6 states have call successors, (11) Word has length 54 [2022-12-14 05:03:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:22,736 INFO L225 Difference]: With dead ends: 49 [2022-12-14 05:03:22,736 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 05:03:22,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-12-14 05:03:22,737 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:22,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 94 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:22,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 05:03:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 05:03:22,738 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) [2022-12-14 05:03:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 05:03:22,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-12-14 05:03:22,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:22,739 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 05:03:22,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 6 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 4 states have call predecessors, (11), 6 states have call successors, (11) [2022-12-14 05:03:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 05:03:22,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 05:03:22,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:03:22,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:03:22,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 05:03:23,263 INFO L899 garLoopResultBuilder]: For program point aws_linked_list_node_next_is_validEXIT(lines 4717 4721) no Hoare annotation was computed. [2022-12-14 05:03:23,263 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4717 4721) the Hoare annotation is: true [2022-12-14 05:03:23,263 INFO L899 garLoopResultBuilder]: For program point aws_linked_list_node_prev_is_validEXIT(lines 4728 4732) no Hoare annotation was computed. [2022-12-14 05:03:23,263 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4728 4732) the Hoare annotation is: true [2022-12-14 05:03:23,264 INFO L895 garLoopResultBuilder]: At program point L7391-1(line 7391) the Hoare annotation is: (let ((.cse1 (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|))) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|))) (and (= |ULTIMATE.start_aws_linked_list_next_~node#1.offset| (select (select |#memory_$Pointer$.offset| .cse0) .cse1)) (not (= |ULTIMATE.start_aws_linked_list_next_~node#1.base| 0)) (= |ULTIMATE.start_aws_linked_list_next_~node#1.base| (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (not (= .cse0 0)))) [2022-12-14 05:03:23,264 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 05:03:23,264 INFO L895 garLoopResultBuilder]: At program point L7391(line 7391) the Hoare annotation is: (let ((.cse1 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base|) (+ |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse0 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse2 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse2 0))))) [2022-12-14 05:03:23,264 INFO L899 garLoopResultBuilder]: For program point L7389-2(line 7389) no Hoare annotation was computed. [2022-12-14 05:03:23,265 INFO L895 garLoopResultBuilder]: At program point L7389-1(line 7389) the Hoare annotation is: (let ((.cse1 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1))) (and (<= 1 |ULTIMATE.start_aws_linked_list_next_harness_#t~ret671#1|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base|) (+ |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (<= |ULTIMATE.start_aws_linked_list_next_harness_#t~ret671#1| 1) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse0 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse2 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse2 0))))) [2022-12-14 05:03:23,265 INFO L895 garLoopResultBuilder]: At program point L7389(line 7389) the Hoare annotation is: (let ((.cse1 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base|) (+ |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse0 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse2 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse2 0))))) [2022-12-14 05:03:23,265 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 05:03:23,265 INFO L895 garLoopResultBuilder]: At program point L4840-1(line 4840) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (<= |ULTIMATE.start_aws_linked_list_next_#t~ret330#1| 1) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| .cse0) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse1 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse1 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (<= 1 |ULTIMATE.start_aws_linked_list_next_#t~ret330#1|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse0 0))))) [2022-12-14 05:03:23,266 INFO L899 garLoopResultBuilder]: For program point L4840-2(line 4840) no Hoare annotation was computed. [2022-12-14 05:03:23,266 INFO L895 garLoopResultBuilder]: At program point L4840(line 4840) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| .cse0) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse1 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse1 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse0 0))))) [2022-12-14 05:03:23,266 INFO L895 garLoopResultBuilder]: At program point L7390(line 7390) the Hoare annotation is: (let ((.cse1 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base|) (+ |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse0 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse2 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse2 0))))) [2022-12-14 05:03:23,266 INFO L899 garLoopResultBuilder]: For program point L7390-2(line 7390) no Hoare annotation was computed. [2022-12-14 05:03:23,267 INFO L895 garLoopResultBuilder]: At program point L7390-1(line 7390) the Hoare annotation is: (let ((.cse1 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (<= 1 |ULTIMATE.start_aws_linked_list_next_harness_#t~ret672#1|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base|) (+ |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (<= |ULTIMATE.start_aws_linked_list_next_harness_#t~ret672#1| 1) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse1) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse0 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse2 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse2 0))))) [2022-12-14 05:03:23,267 INFO L895 garLoopResultBuilder]: At program point L4839(line 4839) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| .cse0) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse1 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse1 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse0 0))))) [2022-12-14 05:03:23,267 INFO L895 garLoopResultBuilder]: At program point L4839-1(line 4839) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2))) (and (<= |ULTIMATE.start_aws_linked_list_next_#t~ret329#1| 1) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| .cse0) (<= 1 |ULTIMATE.start_aws_linked_list_next_#t~ret329#1|) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse1 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse1 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse0 0))))) [2022-12-14 05:03:23,268 INFO L895 garLoopResultBuilder]: At program point L4841(line 4841) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_#t~mem331#1.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| .cse0) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse1 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| |ULTIMATE.start_aws_linked_list_next_#t~mem331#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse1 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse0 0))))) [2022-12-14 05:03:23,268 INFO L895 garLoopResultBuilder]: At program point L4841-1(line 4841) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| 8))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_#t~mem331#1.base| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| .cse0) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|)) (= .cse1 |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.base|) .cse2) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset| |ULTIMATE.start_aws_linked_list_next_#t~mem331#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| |ULTIMATE.start_aws_linked_list_next_~rval~4#1.offset|) (= .cse1 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (not (= .cse0 0))))) [2022-12-14 05:03:23,268 INFO L899 garLoopResultBuilder]: For program point L4837-2(line 4837) no Hoare annotation was computed. [2022-12-14 05:03:23,268 INFO L895 garLoopResultBuilder]: At program point L4837(line 4837) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|))) (let ((.cse1 (+ 8 .cse2)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_~node#1.base| (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base|) |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset|)) .cse1)) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| .cse2) (not (= .cse0 0)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| 0))))) [2022-12-14 05:03:23,268 INFO L899 garLoopResultBuilder]: For program point L4839-2(line 4839) no Hoare annotation was computed. [2022-12-14 05:03:23,269 INFO L895 garLoopResultBuilder]: At program point L4837-1(line 4837) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|))) (let ((.cse1 (+ 8 .cse2)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) |ULTIMATE.start_aws_linked_list_next_~node#1.offset|))) (and (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| |ULTIMATE.start_aws_linked_list_next_~node#1.offset|) (= |ULTIMATE.start_aws_linked_list_next_~node#1.base| (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base|) |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.offset|)) .cse1)) (= |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.offset| .cse2) (not (= .cse0 0)) (= .cse0 |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| |ULTIMATE.start_aws_linked_list_next_harness_~#after~0#1.base|)) (not (= |ULTIMATE.start_aws_linked_list_next_harness_~#node~1#1.base| 0))))) [2022-12-14 05:03:23,269 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2022-12-14 05:03:23,269 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-12-14 05:03:23,269 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-14 05:03:23,269 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-14 05:03:23,269 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-12-14 05:03:23,269 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-12-14 05:03:23,269 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2022-12-14 05:03:23,270 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-12-14 05:03:23,273 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 05:03:23,274 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:03:23,281 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,281 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,282 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,282 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,282 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,282 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,283 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,286 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,286 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,286 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,287 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,287 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,287 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,287 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,289 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,289 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,289 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,289 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,289 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,290 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,290 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,291 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,291 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,291 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,291 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,292 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,292 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,292 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:03:23 BoogieIcfgContainer [2022-12-14 05:03:23,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:03:23,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:03:23,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:03:23,294 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:03:23,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:16" (3/4) ... [2022-12-14 05:03:23,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:03:23,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_linked_list_node_next_is_valid [2022-12-14 05:03:23,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_linked_list_node_prev_is_valid [2022-12-14 05:03:23,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 05:03:23,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 05:03:23,305 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-12-14 05:03:23,305 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 05:03:23,305 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 05:03:23,306 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:03:23,339 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:03:23,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:03:23,340 INFO L158 Benchmark]: Toolchain (without parser) took 9327.12ms. Allocated memory was 165.7MB in the beginning and 343.9MB in the end (delta: 178.3MB). Free memory was 104.2MB in the beginning and 235.7MB in the end (delta: -131.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2022-12-14 05:03:23,340 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:03:23,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1722.84ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 108.2MB in the end (delta: -4.6MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2022-12-14 05:03:23,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.24ms. Allocated memory is still 165.7MB. Free memory was 108.2MB in the beginning and 103.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:03:23,341 INFO L158 Benchmark]: Boogie Preprocessor took 23.30ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 100.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:03:23,341 INFO L158 Benchmark]: RCFGBuilder took 432.38ms. Allocated memory is still 165.7MB. Free memory was 100.6MB in the beginning and 74.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 05:03:23,341 INFO L158 Benchmark]: TraceAbstraction took 7038.76ms. Allocated memory was 165.7MB in the beginning and 343.9MB in the end (delta: 178.3MB). Free memory was 73.4MB in the beginning and 239.9MB in the end (delta: -166.5MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. [2022-12-14 05:03:23,342 INFO L158 Benchmark]: Witness Printer took 45.12ms. Allocated memory is still 343.9MB. Free memory was 239.9MB in the beginning and 235.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:03:23,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1722.84ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 108.2MB in the end (delta: -4.6MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.24ms. Allocated memory is still 165.7MB. Free memory was 108.2MB in the beginning and 103.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.30ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 100.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 432.38ms. Allocated memory is still 165.7MB. Free memory was 100.6MB in the beginning and 74.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7038.76ms. Allocated memory was 165.7MB in the beginning and 343.9MB in the end (delta: 178.3MB). Free memory was 73.4MB in the beginning and 239.9MB in the end (delta: -166.5MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. * Witness Printer took 45.12ms. Allocated memory is still 343.9MB. Free memory was 239.9MB in the beginning and 235.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 638 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 465 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 775 IncrementalHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 173 mSDtfsCounter, 775 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=5, InterpolantAutomatonStates: 45, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 34 PreInvPairs, 44 NumberOfFragments, 1062 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1450 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 2796 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 138/138 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: 7391]: Loop Invariant [2022-12-14 05:03:23,349 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,349 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,350 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,350 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,350 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,350 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,350 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,351 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,351 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,351 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,351 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,351 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((node == #memory_$Pointer$[#memory_$Pointer$[node][node]][8 + #memory_$Pointer$[node][node]] && !(node == 0)) && node == #memory_$Pointer$[#memory_$Pointer$[node][node]][8 + #memory_$Pointer$[node][node]]) && !(#memory_$Pointer$[node][node] == 0) - InvariantResult [Line: 4841]: Loop Invariant [2022-12-14 05:03:23,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,355 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,355 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,355 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,355 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 05:03:23,355 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,356 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 05:03:23,356 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((node == node && node->next == rval) && node == #memory_$Pointer$[rval][rval + 8]) && rval == #memory_$Pointer$[node][node]) && #memory_$Pointer$[node][node] == rval) && !(rval == 0)) && #memory_$Pointer$[rval][rval + 8] == node) && rval == node->next) && after == rval) && #memory_$Pointer$[node][node] == after) && !(node == after)) && #memory_$Pointer$[rval][rval + 8] == node) && !(#memory_$Pointer$[rval][rval + 8] == 0) RESULT: Ultimate proved your program to be correct! [2022-12-14 05:03:23,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fa5c1f-3bf4-44b1-8da0-940f870e6a4d/bin/utaipan-gh47qXpMRh/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