./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/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_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/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_d95a8894-e1ee-4b88-80fc-64264ca92725/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 1ac45a6f13e6bffedb639d303e95ef4d12f394ab85b2060e947bd422bfc917dd --- 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 09:48:17,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:48:17,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:48:17,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:48:17,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:48:17,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:48:17,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:48:17,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:48:17,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:48:17,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:48:17,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:48:17,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:48:17,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:48:17,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:48:17,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:48:17,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:48:17,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:48:17,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:48:17,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:48:17,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:48:17,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:48:17,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:48:17,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:48:17,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:48:17,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:48:17,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:48:17,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:48:17,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:48:17,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:48:17,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:48:17,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:48:17,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:48:17,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:48:17,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:48:17,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:48:17,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:48:17,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:48:17,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:48:17,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:48:17,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:48:17,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:48:17,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:48:17,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:48:17,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:48:17,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:48:17,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:48:17,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:48:17,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:48:17,140 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:48:17,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:48:17,140 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:48:17,141 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:48:17,141 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:48:17,141 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:48:17,141 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:48:17,141 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:48:17,141 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:48:17,141 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:48:17,141 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:48:17,142 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:48:17,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:48:17,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:48:17,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:48:17,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:48:17,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:48:17,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:48:17,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:48:17,143 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:48:17,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:48:17,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:48:17,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:48:17,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:48:17,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:48:17,144 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:48:17,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:48:17,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:48:17,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:48:17,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:48:17,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:48:17,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:48:17,145 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_d95a8894-e1ee-4b88-80fc-64264ca92725/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ac45a6f13e6bffedb639d303e95ef4d12f394ab85b2060e947bd422bfc917dd [2022-12-14 09:48:17,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:48:17,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:48:17,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:48:17,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:48:17,323 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:48:17,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2022-12-14 09:48:19,851 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:48:20,151 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:48:20,151 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2022-12-14 09:48:20,168 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/data/404f5492e/cc83a3f734744eecb16fd4ea851b2240/FLAGc1b2b898d [2022-12-14 09:48:20,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/data/404f5492e/cc83a3f734744eecb16fd4ea851b2240 [2022-12-14 09:48:20,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:48:20,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:48:20,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:48:20,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:48:20,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:48:20,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:48:20" (1/1) ... [2022-12-14 09:48:20,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c529c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:20, skipping insertion in model container [2022-12-14 09:48:20,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:48:20" (1/1) ... [2022-12-14 09:48:20,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:48:20,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:48:20,823 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_d95a8894-e1ee-4b88-80fc-64264ca92725/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4501,4514] [2022-12-14 09:48:20,829 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_d95a8894-e1ee-4b88-80fc-64264ca92725/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4561,4574] [2022-12-14 09:48:21,619 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,620 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,621 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,621 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,636 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,637 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,639 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,640 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:21,716 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:48:21,717 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:48:21,717 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:48:21,721 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:48:21,723 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:48:21,724 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:48:21,998 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:48:21,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:48:22,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:48:22,001 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:48:22,002 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:48:22,003 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:48:22,003 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:48:22,004 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:48:22,004 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:48:22,004 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:48:22,005 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:48:22,155 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:48:22,188 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 09:48:22,194 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:48:22,213 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:48:22,218 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,219 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,254 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:48:22,262 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:48:22,263 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:48:22,267 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:48:22,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:48:22,304 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:48:22,314 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_d95a8894-e1ee-4b88-80fc-64264ca92725/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4501,4514] [2022-12-14 09:48:22,314 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_d95a8894-e1ee-4b88-80fc-64264ca92725/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4561,4574] [2022-12-14 09:48:22,336 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,336 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,336 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,337 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,337 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,341 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,341 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,342 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,342 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,347 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:48:22,347 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:48:22,348 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:48:22,350 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:48:22,351 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:48:22,351 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:48:22,364 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:48:22,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:48:22,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:48:22,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:48:22,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:48:22,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:48:22,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:48:22,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:48:22,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:48:22,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:48:22,368 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:48:22,380 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:48:22,394 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 09:48:22,398 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:48:22,409 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:48:22,413 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,414 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:48:22,430 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:48:22,433 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:48:22,434 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:48:22,461 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:48:22,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:48:22,615 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:48:22,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22 WrapperNode [2022-12-14 09:48:22,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:48:22,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:48:22,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:48:22,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:48:22,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,728 INFO L138 Inliner]: procedures = 693, calls = 2784, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 832 [2022-12-14 09:48:22,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:48:22,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:48:22,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:48:22,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:48:22,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:48:22,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:48:22,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:48:22,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:48:22,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (1/1) ... [2022-12-14 09:48:22,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:48:22,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:48:22,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:48:22,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:48:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-12-14 09:48:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2022-12-14 09:48:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-12-14 09:48:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 09:48:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 09:48:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:48:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:48:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 09:48:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-12-14 09:48:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:48:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 09:48:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 09:48:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 09:48:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:48:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:48:23,021 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:48:23,023 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:48:23,886 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:48:24,030 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:48:24,030 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:48:24,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:48:24 BoogieIcfgContainer [2022-12-14 09:48:24,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:48:24,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:48:24,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:48:24,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:48:24,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:48:20" (1/3) ... [2022-12-14 09:48:24,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403d64ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:48:24, skipping insertion in model container [2022-12-14 09:48:24,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:22" (2/3) ... [2022-12-14 09:48:24,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403d64ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:48:24, skipping insertion in model container [2022-12-14 09:48:24,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:48:24" (3/3) ... [2022-12-14 09:48:24,041 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness_negated.i [2022-12-14 09:48:24,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:48:24,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:48:24,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:48:24,115 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;@5d57f9e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:48:24,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:48:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-12-14 09:48:24,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 09:48:24,128 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:48:24,129 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:48:24,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:48:24,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:48:24,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1835026319, now seen corresponding path program 1 times [2022-12-14 09:48:24,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:48:24,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997776327] [2022-12-14 09:48:24,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:48:24,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:48:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:48:26,014 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 09:48:26,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:48:26,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997776327] [2022-12-14 09:48:26,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997776327] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:48:26,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954110255] [2022-12-14 09:48:26,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:48:26,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:48:26,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:48:26,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:48:26,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:48:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:48:26,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 105 conjunts are in the unsatisfiable core [2022-12-14 09:48:26,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:48:27,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 76 [2022-12-14 09:48:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:48:27,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 144 [2022-12-14 09:48:27,175 INFO L321 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2022-12-14 09:48:27,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 181 treesize of output 98 [2022-12-14 09:48:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 09:48:27,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:48:27,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954110255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:48:27,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:48:27,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 18 [2022-12-14 09:48:27,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388310877] [2022-12-14 09:48:27,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:48:27,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:48:27,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:48:27,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:48:27,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2022-12-14 09:48:27,296 INFO L87 Difference]: Start difference. First operand has 73 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 12 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-12-14 09:48:27,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:48:27,709 INFO L93 Difference]: Finished difference Result 77 states and 92 transitions. [2022-12-14 09:48:27,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 09:48:27,711 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 55 [2022-12-14 09:48:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:48:27,716 INFO L225 Difference]: With dead ends: 77 [2022-12-14 09:48:27,716 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 09:48:27,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2022-12-14 09:48:27,721 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:48:27,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 89 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:48:27,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 09:48:27,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 09:48:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:48:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 09:48:27,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2022-12-14 09:48:27,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:48:27,739 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 09:48:27,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-12-14 09:48:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 09:48:27,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 09:48:27,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 09:48:27,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:48:27,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 09:48:27,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 09:48:28,101 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6800 6804) no Hoare annotation was computed. [2022-12-14 09:48:28,102 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (<= (+ 18410715276689353099 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (* 18446744073709551616 (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616))))) [2022-12-14 09:48:28,102 INFO L899 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2022-12-14 09:48:28,102 INFO L895 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0))) [2022-12-14 09:48:28,102 INFO L899 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2022-12-14 09:48:28,102 INFO L895 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (<= (+ 18410715276689353099 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (* 18446744073709551616 (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616))))) [2022-12-14 09:48:28,102 INFO L899 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2022-12-14 09:48:28,102 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) [2022-12-14 09:48:28,103 INFO L895 garLoopResultBuilder]: At program point L6810-5(lines 6810 6811) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (< (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) .cse0) (< (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) .cse0) (<= (+ 18410715276689353099 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (* 18446744073709551616 (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616))))) [2022-12-14 09:48:28,103 INFO L899 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2022-12-14 09:48:28,103 INFO L895 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) [2022-12-14 09:48:28,103 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-12-14 09:48:28,103 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6800 6804) the Hoare annotation is: true [2022-12-14 09:48:28,103 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: true [2022-12-14 09:48:28,103 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-12-14 09:48:28,103 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-12-14 09:48:28,104 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (<= |bounded_malloc_#in~size| bounded_malloc_~size) (<= bounded_malloc_~size |bounded_malloc_#in~size|)) [2022-12-14 09:48:28,104 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-12-14 09:48:28,104 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2022-12-14 09:48:28,104 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6242 6246) no Hoare annotation was computed. [2022-12-14 09:48:28,104 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6242 6246) the Hoare annotation is: true [2022-12-14 09:48:28,104 INFO L902 garLoopResultBuilder]: At program point L6244-1(line 6244) the Hoare annotation is: true [2022-12-14 09:48:28,104 INFO L899 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2022-12-14 09:48:28,104 INFO L902 garLoopResultBuilder]: At program point L6244(line 6244) the Hoare annotation is: true [2022-12-14 09:48:28,104 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2022-12-14 09:48:28,104 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-12-14 09:48:28,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6889 6891) the Hoare annotation is: true [2022-12-14 09:48:28,105 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2022-12-14 09:48:28,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6252 6257) the Hoare annotation is: true [2022-12-14 09:48:28,105 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2022-12-14 09:48:28,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7368 7372) the Hoare annotation is: true [2022-12-14 09:48:28,105 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validEXIT(lines 7368 7372) no Hoare annotation was computed. [2022-12-14 09:48:28,105 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-12-14 09:48:28,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2022-12-14 09:48:28,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 09:48:28,105 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2022-12-14 09:48:28,105 INFO L899 garLoopResultBuilder]: For program point L9538-1(line 9538) no Hoare annotation was computed. [2022-12-14 09:48:28,106 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2022-12-14 09:48:28,106 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: false [2022-12-14 09:48:28,106 INFO L899 garLoopResultBuilder]: For program point L9518-1(line 9518) no Hoare annotation was computed. [2022-12-14 09:48:28,106 INFO L895 garLoopResultBuilder]: At program point L8240-2(line 8240) the Hoare annotation is: false [2022-12-14 09:48:28,106 INFO L895 garLoopResultBuilder]: At program point L8240-1(line 8240) the Hoare annotation is: false [2022-12-14 09:48:28,106 INFO L895 garLoopResultBuilder]: At program point L8240(line 8240) the Hoare annotation is: false [2022-12-14 09:48:28,106 INFO L899 garLoopResultBuilder]: For program point L8236-1(line 8236) no Hoare annotation was computed. [2022-12-14 09:48:28,106 INFO L895 garLoopResultBuilder]: At program point L8236(line 8236) the Hoare annotation is: false [2022-12-14 09:48:28,106 INFO L895 garLoopResultBuilder]: At program point L9518(line 9518) the Hoare annotation is: false [2022-12-14 09:48:28,107 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 09:48:28,107 INFO L895 garLoopResultBuilder]: At program point L9541(line 9541) the Hoare annotation is: false [2022-12-14 09:48:28,107 INFO L895 garLoopResultBuilder]: At program point L9541-1(line 9541) the Hoare annotation is: false [2022-12-14 09:48:28,107 INFO L899 garLoopResultBuilder]: For program point L9541-2(line 9541) no Hoare annotation was computed. [2022-12-14 09:48:28,107 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2022-12-14 09:48:28,107 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: false [2022-12-14 09:48:28,107 INFO L895 garLoopResultBuilder]: At program point L9543(line 9543) the Hoare annotation is: false [2022-12-14 09:48:28,107 INFO L899 garLoopResultBuilder]: For program point L9543-1(line 9543) no Hoare annotation was computed. [2022-12-14 09:48:28,107 INFO L895 garLoopResultBuilder]: At program point L7099(lines 7099 7112) the Hoare annotation is: false [2022-12-14 09:48:28,107 INFO L895 garLoopResultBuilder]: At program point L9517(line 9517) the Hoare annotation is: false [2022-12-14 09:48:28,108 INFO L895 garLoopResultBuilder]: At program point L9517-1(line 9517) the Hoare annotation is: false [2022-12-14 09:48:28,108 INFO L899 garLoopResultBuilder]: For program point L9517-2(line 9517) no Hoare annotation was computed. [2022-12-14 09:48:28,108 INFO L899 garLoopResultBuilder]: For program point L9542-1(line 9542) no Hoare annotation was computed. [2022-12-14 09:48:28,108 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: false [2022-12-14 09:48:28,108 INFO L895 garLoopResultBuilder]: At program point L9540(line 9540) the Hoare annotation is: false [2022-12-14 09:48:28,108 INFO L895 garLoopResultBuilder]: At program point L9540-1(line 9540) the Hoare annotation is: false [2022-12-14 09:48:28,108 INFO L902 garLoopResultBuilder]: At program point L9538(line 9538) the Hoare annotation is: true [2022-12-14 09:48:28,108 INFO L899 garLoopResultBuilder]: For program point L9540-2(line 9540) no Hoare annotation was computed. [2022-12-14 09:48:28,108 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: false [2022-12-14 09:48:28,108 INFO L895 garLoopResultBuilder]: At program point L9542(line 9542) the Hoare annotation is: false [2022-12-14 09:48:28,108 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2022-12-14 09:48:28,109 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-14 09:48:28,109 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-14 09:48:28,109 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-12-14 09:48:28,109 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-12-14 09:48:28,109 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2022-12-14 09:48:28,109 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-12-14 09:48:28,112 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 09:48:28,114 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:48:28,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:48:28 BoogieIcfgContainer [2022-12-14 09:48:28,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:48:28,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:48:28,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:48:28,125 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:48:28,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:48:24" (3/4) ... [2022-12-14 09:48:28,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:48:28,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2022-12-14 09:48:28,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-12-14 09:48:28,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_cursor_is_valid [2022-12-14 09:48:28,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-12-14 09:48:28,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-12-14 09:48:28,132 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-12-14 09:48:28,132 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 09:48:28,132 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 09:48:28,132 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-12-14 09:48:28,132 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-12-14 09:48:28,139 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 148 nodes and edges [2022-12-14 09:48:28,140 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2022-12-14 09:48:28,141 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 09:48:28,141 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 09:48:28,142 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 09:48:28,142 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 09:48:28,142 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 09:48:28,143 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:48:28,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(max_size) == max_size && !(str == 0)) && str == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && 18410715276689353099 + len <= 18446744073709551616 * ((18446744073708317066 + len) / 18446744073709551616) [2022-12-14 09:48:28,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:48:28,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:48:28,514 INFO L158 Benchmark]: Toolchain (without parser) took 8048.16ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 108.9MB in the beginning and 76.8MB in the end (delta: 32.1MB). Peak memory consumption was 193.5MB. Max. memory is 16.1GB. [2022-12-14 09:48:28,514 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:48:28,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2146.17ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 108.9MB in the beginning and 108.1MB in the end (delta: 852.7kB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2022-12-14 09:48:28,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.46ms. Allocated memory is still 182.5MB. Free memory was 108.1MB in the beginning and 96.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 09:48:28,514 INFO L158 Benchmark]: Boogie Preprocessor took 45.52ms. Allocated memory is still 182.5MB. Free memory was 96.6MB in the beginning and 89.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 09:48:28,515 INFO L158 Benchmark]: RCFGBuilder took 1257.96ms. Allocated memory is still 182.5MB. Free memory was 89.2MB in the beginning and 77.9MB in the end (delta: 11.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-12-14 09:48:28,515 INFO L158 Benchmark]: TraceAbstraction took 4088.70ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 76.9MB in the beginning and 79.7MB in the end (delta: -2.9MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-12-14 09:48:28,515 INFO L158 Benchmark]: Witness Printer took 388.90ms. Allocated memory is still 264.2MB. Free memory was 79.7MB in the beginning and 76.8MB in the end (delta: 2.9MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-12-14 09:48:28,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2146.17ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 108.9MB in the beginning and 108.1MB in the end (delta: 852.7kB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.46ms. Allocated memory is still 182.5MB. Free memory was 108.1MB in the beginning and 96.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.52ms. Allocated memory is still 182.5MB. Free memory was 96.6MB in the beginning and 89.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1257.96ms. Allocated memory is still 182.5MB. Free memory was 89.2MB in the beginning and 77.9MB in the end (delta: 11.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4088.70ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 76.9MB in the beginning and 79.7MB in the end (delta: -2.9MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. * Witness Printer took 388.90ms. Allocated memory is still 264.2MB. Free memory was 79.7MB in the beginning and 76.8MB in the end (delta: 2.9MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * 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 11 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 16 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 53 PreInvPairs, 53 NumberOfFragments, 170 HoareAnnotationTreeSize, 53 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 434 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2607 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 38/44 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: 8240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7099]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6810]: Loop Invariant Derived loop invariant: ((((\old(max_size) == max_size && !(str == 0)) && str == 0) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && len % 18446744073709551616 < \old(max_size) % 18446744073709551616) && 18410715276689353099 + len <= 18446744073709551616 * ((18446744073708317066 + len) / 18446744073709551616) RESULT: Ultimate proved your program to be correct! [2022-12-14 09:48:28,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95a8894-e1ee-4b88-80fc-64264ca92725/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