./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_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_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/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_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/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_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/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 704abadf4a8c9a8af61418181b8ae91b3e3da2fe96f0fde7751e748b781a863c --- 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 08:03:12,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:03:12,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:03:12,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:03:12,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:03:12,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:03:12,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:03:12,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:03:12,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:03:12,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:03:12,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:03:12,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:03:12,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:03:12,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:03:12,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:03:12,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:03:12,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:03:12,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:03:12,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:03:12,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:03:12,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:03:12,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:03:12,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:03:12,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:03:12,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:03:12,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:03:12,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:03:12,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:03:12,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:03:12,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:03:12,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:03:12,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:03:12,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:03:12,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:03:12,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:03:12,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:03:12,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:03:12,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:03:12,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:03:12,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:03:12,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:03:12,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:03:12,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:03:12,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:03:12,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:03:12,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:03:12,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:03:12,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:03:12,765 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:03:12,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:03:12,766 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:03:12,766 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:03:12,766 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:03:12,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:03:12,766 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:03:12,767 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:03:12,767 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:03:12,767 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:03:12,767 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:03:12,767 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:03:12,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:03:12,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:03:12,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:03:12,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:03:12,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:03:12,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:03:12,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:03:12,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:03:12,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:03:12,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:03:12,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:03:12,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:12,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:03:12,770 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:03:12,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:03:12,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:03:12,770 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:03:12,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:03:12,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:03:12,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:03:12,771 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_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704abadf4a8c9a8af61418181b8ae91b3e3da2fe96f0fde7751e748b781a863c [2022-12-14 08:03:12,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:03:12,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:03:12,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:03:12,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:03:12,963 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:03:12,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i [2022-12-14 08:03:15,525 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:03:15,907 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:03:15,907 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i [2022-12-14 08:03:15,934 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/data/b0013ca81/0fbd786051e644ce9865ae4c5447eca2/FLAGe4acb44a8 [2022-12-14 08:03:16,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/data/b0013ca81/0fbd786051e644ce9865ae4c5447eca2 [2022-12-14 08:03:16,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:03:16,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:03:16,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:03:16,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:03:16,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:03:16,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:16" (1/1) ... [2022-12-14 08:03:16,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7553cc02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:16, skipping insertion in model container [2022-12-14 08:03:16,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:16" (1/1) ... [2022-12-14 08:03:16,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:03:16,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:03:16,358 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_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4500,4513] [2022-12-14 08:03:16,364 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_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4560,4573] [2022-12-14 08:03:16,957 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:16,957 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:16,958 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:16,958 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:16,959 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:16,969 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:16,970 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:16,971 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:16,971 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,025 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:03:17,025 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:03:17,026 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:03:17,029 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:03:17,031 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:03:17,031 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:03:17,246 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:03:17,247 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:03:17,248 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:03:17,249 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:03:17,249 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:03:17,250 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:03:17,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:03:17,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:03:17,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:03:17,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:03:17,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:03:17,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 08:03:17,398 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 08:03:17,405 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:03:17,423 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:03:17,429 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,429 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,494 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 08:03:17,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:03:17,541 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:03:17,554 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_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4500,4513] [2022-12-14 08:03:17,555 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_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4560,4573] [2022-12-14 08:03:17,586 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,587 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,587 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,587 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,588 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,593 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,594 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,595 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,595 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,601 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:03:17,601 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:03:17,601 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:03:17,604 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:03:17,605 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:03:17,606 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:03:17,623 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:03:17,624 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:03:17,625 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:03:17,625 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:03:17,626 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:03:17,626 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:03:17,627 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:03:17,627 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:03:17,628 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:03:17,628 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:03:17,628 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:03:17,646 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 08:03:17,665 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 08:03:17,670 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:03:17,686 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:03:17,692 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,693 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:03:17,713 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 08:03:17,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:03:17,942 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:03:17,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17 WrapperNode [2022-12-14 08:03:17,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:03:17,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:03:17,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:03:17,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:03:17,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,050 INFO L138 Inliner]: procedures = 690, calls = 2608, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 776 [2022-12-14 08:03:18,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:03:18,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:03:18,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:03:18,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:03:18,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:03:18,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:03:18,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:03:18,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:03:18,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (1/1) ... [2022-12-14 08:03:18,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:18,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:03:18,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:03:18,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:03:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2022-12-14 08:03:18,156 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2022-12-14 08:03:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:03:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:03:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 08:03:18,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 08:03:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:03:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:03:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:03:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:03:18,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:03:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 08:03:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 08:03:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:03:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:03:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:03:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:03:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:03:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 08:03:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 08:03:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:03:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:03:18,334 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:03:18,336 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:03:19,112 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:03:19,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:03:19,218 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:03:19,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:19 BoogieIcfgContainer [2022-12-14 08:03:19,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:03:19,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:03:19,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:03:19,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:03:19,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:03:16" (1/3) ... [2022-12-14 08:03:19,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4036c8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:03:19, skipping insertion in model container [2022-12-14 08:03:19,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:17" (2/3) ... [2022-12-14 08:03:19,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4036c8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:03:19, skipping insertion in model container [2022-12-14 08:03:19,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:19" (3/3) ... [2022-12-14 08:03:19,226 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_array_harness.i [2022-12-14 08:03:19,240 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:03:19,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:03:19,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:03:19,279 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;@2881d48b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:03:19,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:03:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 08:03:19,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 08:03:19,288 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:19,289 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:19,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:03:19,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:19,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1726220798, now seen corresponding path program 1 times [2022-12-14 08:03:19,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:19,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857315770] [2022-12-14 08:03:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:03:22,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:22,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857315770] [2022-12-14 08:03:22,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857315770] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:22,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:22,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 08:03:22,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696223639] [2022-12-14 08:03:22,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:22,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 08:03:22,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:22,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 08:03:22,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-14 08:03:22,453 INFO L87 Difference]: Start difference. First operand has 41 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 08:03:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:22,740 INFO L93 Difference]: Finished difference Result 75 states and 94 transitions. [2022-12-14 08:03:22,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:03:22,742 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 20 [2022-12-14 08:03:22,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:22,750 INFO L225 Difference]: With dead ends: 75 [2022-12-14 08:03:22,750 INFO L226 Difference]: Without dead ends: 41 [2022-12-14 08:03:22,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-12-14 08:03:22,757 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 19 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:22,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 275 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 08:03:22,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-12-14 08:03:22,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-12-14 08:03:22,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 23 states have internal predecessors, (23), 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 08:03:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2022-12-14 08:03:22,796 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 20 [2022-12-14 08:03:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:22,796 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2022-12-14 08:03:22,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 08:03:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-12-14 08:03:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 08:03:22,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:22,797 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:22,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:03:22,798 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:03:22,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:22,799 INFO L85 PathProgramCache]: Analyzing trace with hash 627594313, now seen corresponding path program 1 times [2022-12-14 08:03:22,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:22,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987715139] [2022-12-14 08:03:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:22,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 08:03:30,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:30,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987715139] [2022-12-14 08:03:30,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987715139] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:30,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:30,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 08:03:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218957780] [2022-12-14 08:03:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:30,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 08:03:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:30,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 08:03:30,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-14 08:03:30,257 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 08:03:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:30,529 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-12-14 08:03:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 08:03:30,530 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 29 [2022-12-14 08:03:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:30,531 INFO L225 Difference]: With dead ends: 47 [2022-12-14 08:03:30,531 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 08:03:30,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-12-14 08:03:30,532 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 20 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:30,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 209 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 08:03:30,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 08:03:30,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-14 08:03:30,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 25 states have (on average 1.04) internal successors, (26), 26 states have internal predecessors, (26), 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 08:03:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-12-14 08:03:30,539 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 29 [2022-12-14 08:03:30,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:30,539 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-12-14 08:03:30,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 08:03:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-12-14 08:03:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 08:03:30,540 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:30,540 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:30,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:03:30,541 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:03:30,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1946804609, now seen corresponding path program 1 times [2022-12-14 08:03:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:30,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98391210] [2022-12-14 08:03:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:31,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 08:03:31,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:31,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98391210] [2022-12-14 08:03:31,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98391210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:31,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:31,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 08:03:31,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756231231] [2022-12-14 08:03:31,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:31,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:03:31,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:31,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:03:31,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:03:31,264 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-14 08:03:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:31,417 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2022-12-14 08:03:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 08:03:31,417 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 35 [2022-12-14 08:03:31,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:31,418 INFO L225 Difference]: With dead ends: 51 [2022-12-14 08:03:31,418 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 08:03:31,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-14 08:03:31,420 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 19 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:31,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 134 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:03:31,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 08:03:31,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-14 08:03:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 29 states have internal predecessors, (29), 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 08:03:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2022-12-14 08:03:31,429 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 35 [2022-12-14 08:03:31,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:31,430 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2022-12-14 08:03:31,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-14 08:03:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2022-12-14 08:03:31,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 08:03:31,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:31,431 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:31,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:03:31,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:03:31,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:31,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2061130591, now seen corresponding path program 1 times [2022-12-14 08:03:31,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:31,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127154233] [2022-12-14 08:03:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:31,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 08:03:32,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:32,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127154233] [2022-12-14 08:03:32,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127154233] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:32,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:32,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 08:03:32,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188339884] [2022-12-14 08:03:32,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:32,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 08:03:32,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:32,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 08:03:32,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-14 08:03:32,414 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-14 08:03:32,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:32,686 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2022-12-14 08:03:32,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:03:32,686 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 42 [2022-12-14 08:03:32,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:32,687 INFO L225 Difference]: With dead ends: 55 [2022-12-14 08:03:32,688 INFO L226 Difference]: Without dead ends: 51 [2022-12-14 08:03:32,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-12-14 08:03:32,689 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 21 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:32,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 197 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 08:03:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-14 08:03:32,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-14 08:03:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.0) internal successors, (30), 30 states have internal predecessors, (30), 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 08:03:32,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2022-12-14 08:03:32,698 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 42 [2022-12-14 08:03:32,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:32,698 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2022-12-14 08:03:32,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-14 08:03:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2022-12-14 08:03:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 08:03:32,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:32,699 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:32,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:03:32,700 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:03:32,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:32,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1846648498, now seen corresponding path program 1 times [2022-12-14 08:03:32,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:32,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107906528] [2022-12-14 08:03:32,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:32,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 08:03:34,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:34,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107906528] [2022-12-14 08:03:34,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107906528] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:34,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:34,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 08:03:34,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825204991] [2022-12-14 08:03:34,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:34,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 08:03:34,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:34,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 08:03:34,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-14 08:03:34,186 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2022-12-14 08:03:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:34,402 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2022-12-14 08:03:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:03:34,402 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 56 [2022-12-14 08:03:34,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:34,403 INFO L225 Difference]: With dead ends: 51 [2022-12-14 08:03:34,403 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 08:03:34,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-12-14 08:03:34,403 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 18 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:34,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 186 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:03:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 08:03:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 08:03:34,404 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 08:03:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 08:03:34,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2022-12-14 08:03:34,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:34,405 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 08:03:34,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2022-12-14 08:03:34,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 08:03:34,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 08:03:34,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 08:03:34,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:03:34,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 08:03:34,750 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: true [2022-12-14 08:03:34,750 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-12-14 08:03:34,750 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-12-14 08:03:34,750 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (= |bounded_malloc_#in~size| bounded_malloc_~size) [2022-12-14 08:03:34,750 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2022-12-14 08:03:34,750 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-12-14 08:03:34,750 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7384 7388) the Hoare annotation is: true [2022-12-14 08:03:34,751 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validEXIT(lines 7384 7388) no Hoare annotation was computed. [2022-12-14 08:03:34,751 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-12-14 08:03:34,751 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2022-12-14 08:03:34,751 INFO L895 garLoopResultBuilder]: At program point L8256-2(line 8256) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse0) 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (<= |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1066#1| 1) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse0)) (<= 1 |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1066#1|))) [2022-12-14 08:03:34,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 08:03:34,752 INFO L895 garLoopResultBuilder]: At program point L8256-1(line 8256) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse0) 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (<= |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1066#1| 1) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse0)) (<= 1 |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1066#1|))) [2022-12-14 08:03:34,752 INFO L895 garLoopResultBuilder]: At program point L8256(line 8256) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse0) 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse0)))) [2022-12-14 08:03:34,752 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2022-12-14 08:03:34,752 INFO L899 garLoopResultBuilder]: For program point L8962-1(line 8962) no Hoare annotation was computed. [2022-12-14 08:03:34,752 INFO L899 garLoopResultBuilder]: For program point L8252-1(line 8252) no Hoare annotation was computed. [2022-12-14 08:03:34,752 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2022-12-14 08:03:34,752 INFO L895 garLoopResultBuilder]: At program point L8252(line 8252) the Hoare annotation is: (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|)) [2022-12-14 08:03:34,752 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2022-12-14 08:03:34,752 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 08:03:34,753 INFO L895 garLoopResultBuilder]: At program point L8969(line 8969) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_#t~mem1202#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|))) [2022-12-14 08:03:34,753 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2022-12-14 08:03:34,753 INFO L899 garLoopResultBuilder]: For program point L8969-1(line 8969) no Hoare annotation was computed. [2022-12-14 08:03:34,753 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2022-12-14 08:03:34,753 INFO L899 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2022-12-14 08:03:34,753 INFO L899 garLoopResultBuilder]: For program point L8970(lines 8970 8972) no Hoare annotation was computed. [2022-12-14 08:03:34,753 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_assert_bytes_match_#t~mem585#1| |ULTIMATE.start_assert_bytes_match_#t~mem584#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2022-12-14 08:03:34,753 INFO L902 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2022-12-14 08:03:34,753 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2022-12-14 08:03:34,754 INFO L895 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|))) [2022-12-14 08:03:34,754 INFO L895 garLoopResultBuilder]: At program point L8970-2(lines 8970 8972) the Hoare annotation is: (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) [2022-12-14 08:03:34,754 INFO L895 garLoopResultBuilder]: At program point L8968-1(line 8968) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (<= |ULTIMATE.start_aws_byte_cursor_from_array_harness_#t~ret1201#1| 1) (<= 1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_#t~ret1201#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|))) [2022-12-14 08:03:34,754 INFO L899 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2022-12-14 08:03:34,754 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2022-12-14 08:03:34,754 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-14 08:03:34,754 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-14 08:03:34,754 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-12-14 08:03:34,754 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-12-14 08:03:34,754 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2022-12-14 08:03:34,754 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-12-14 08:03:34,757 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 08:03:34,758 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:03:34,763 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 08:03:34,764 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 08:03:34,768 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 08:03:34,768 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 08:03:34,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:03:34 BoogieIcfgContainer [2022-12-14 08:03:34,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:03:34,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:03:34,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:03:34,770 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:03:34,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:19" (3/4) ... [2022-12-14 08:03:34,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 08:03:34,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-12-14 08:03:34,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_cursor_is_valid [2022-12-14 08:03:34,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-12-14 08:03:34,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 08:03:34,777 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 08:03:34,785 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2022-12-14 08:03:34,786 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-12-14 08:03:34,787 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 08:03:34,788 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 08:03:34,788 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 08:03:34,789 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 08:03:34,789 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 08:03:34,790 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 08:03:35,145 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:03:35,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:03:35,145 INFO L158 Benchmark]: Toolchain (without parser) took 19034.64ms. Allocated memory was 107.0MB in the beginning and 446.7MB in the end (delta: 339.7MB). Free memory was 64.0MB in the beginning and 353.0MB in the end (delta: -289.1MB). Peak memory consumption was 311.2MB. Max. memory is 16.1GB. [2022-12-14 08:03:35,146 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 82.8MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:35,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1830.68ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 63.7MB in the beginning and 78.5MB in the end (delta: -14.8MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2022-12-14 08:03:35,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.12ms. Allocated memory is still 157.3MB. Free memory was 78.5MB in the beginning and 67.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 08:03:35,146 INFO L158 Benchmark]: Boogie Preprocessor took 41.25ms. Allocated memory is still 157.3MB. Free memory was 67.6MB in the beginning and 61.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 08:03:35,146 INFO L158 Benchmark]: RCFGBuilder took 1128.11ms. Allocated memory is still 157.3MB. Free memory was 61.3MB in the beginning and 72.2MB in the end (delta: -10.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-12-14 08:03:35,147 INFO L158 Benchmark]: TraceAbstraction took 15547.52ms. Allocated memory was 157.3MB in the beginning and 446.7MB in the end (delta: 289.4MB). Free memory was 72.0MB in the beginning and 208.0MB in the end (delta: -135.9MB). Peak memory consumption was 154.5MB. Max. memory is 16.1GB. [2022-12-14 08:03:35,147 INFO L158 Benchmark]: Witness Printer took 375.69ms. Allocated memory is still 446.7MB. Free memory was 208.0MB in the beginning and 353.0MB in the end (delta: -145.1MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2022-12-14 08:03:35,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 82.8MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1830.68ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 63.7MB in the beginning and 78.5MB in the end (delta: -14.8MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.12ms. Allocated memory is still 157.3MB. Free memory was 78.5MB in the beginning and 67.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.25ms. Allocated memory is still 157.3MB. Free memory was 67.6MB in the beginning and 61.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1128.11ms. Allocated memory is still 157.3MB. Free memory was 61.3MB in the beginning and 72.2MB in the end (delta: -10.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15547.52ms. Allocated memory was 157.3MB in the beginning and 446.7MB in the end (delta: 289.4MB). Free memory was 72.0MB in the beginning and 208.0MB in the end (delta: -135.9MB). Peak memory consumption was 154.5MB. Max. memory is 16.1GB. * Witness Printer took 375.69ms. Allocated memory is still 446.7MB. Free memory was 208.0MB in the beginning and 353.0MB in the end (delta: -145.1MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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 * 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 6 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 1001 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 848 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 986 IncrementalHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 153 mSDtfsCounter, 986 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=4, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 33 PreInvPairs, 42 NumberOfFragments, 624 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 116 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 82/82 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: 8256]: Loop Invariant [2022-12-14 08:03:35,155 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 08:03:35,155 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 08:03:35,156 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 08:03:35,156 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((length == unknown-#memory_int-unknown[cur][cur] && array == 0) && cur == 0) && !(0 == bytes)) && cur == 0) && #memory_$Pointer$[cur][cur + 8] == 0) && !(0 == cur)) && !(cur == 0)) && bytes == 0) && aux-aws_byte_cursor_is_valid(&cur)-aux <= 1) && array == bytes) && len == length) && array == #memory_$Pointer$[cur][cur + 8]) && 1 <= aux-aws_byte_cursor_is_valid(&cur)-aux - InvariantResult [Line: 8970]: Loop Invariant Derived loop invariant: !(0 == bytes) RESULT: Ultimate proved your program to be correct! [2022-12-14 08:03:35,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65353c4f-5a57-4d2b-a35c-5e17670a9bdc/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