./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_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_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dda9581c1f95c1290ca4e1b4fb490c658b6333634d0e45c75781ec7f697326df --- 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 [2022-12-13 18:22:07,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:22:07,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:22:07,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:22:07,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:22:07,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:22:07,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:22:07,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:22:07,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:22:07,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:22:07,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:22:07,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:22:07,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:22:07,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:22:07,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:22:07,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:22:07,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:22:07,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:22:07,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:22:07,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:22:07,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:22:07,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:22:07,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:22:07,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:22:07,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:22:07,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:22:07,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:22:07,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:22:07,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:22:07,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:22:07,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:22:07,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:22:07,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:22:07,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:22:07,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:22:07,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:22:07,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:22:07,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:22:07,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:22:07,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:22:07,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:22:07,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 18:22:07,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:22:07,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:22:07,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:22:07,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:22:07,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:22:07,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:22:07,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:22:07,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:22:07,268 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:22:07,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:22:07,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:22:07,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:22:07,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:22:07,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:22:07,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:22:07,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:22:07,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:22:07,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:22:07,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:22:07,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:22:07,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:22:07,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:22:07,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:22:07,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:22:07,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:22:07,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:22:07,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:22:07,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:22:07,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:22:07,271 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:22:07,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:22:07,272 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:22:07,272 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda9581c1f95c1290ca4e1b4fb490c658b6333634d0e45c75781ec7f697326df [2022-12-13 18:22:07,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:22:07,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:22:07,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:22:07,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:22:07,463 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:22:07,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2022-12-13 18:22:10,073 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:22:10,311 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:22:10,311 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2022-12-13 18:22:10,327 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/data/3a63579b7/e38143126f2f4b0daf6120671632ad0a/FLAGedb5a156b [2022-12-13 18:22:10,337 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/data/3a63579b7/e38143126f2f4b0daf6120671632ad0a [2022-12-13 18:22:10,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:22:10,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:22:10,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:22:10,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:22:10,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:22:10,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:22:10" (1/1) ... [2022-12-13 18:22:10,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1911e114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:10, skipping insertion in model container [2022-12-13 18:22:10,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:22:10" (1/1) ... [2022-12-13 18:22:10,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:22:10,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:22:10,568 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_38b4dd92-0331-40ab-92d4-e101f27d8499/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2022-12-13 18:22:10,574 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_38b4dd92-0331-40ab-92d4-e101f27d8499/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2022-12-13 18:22:11,035 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,036 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,037 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,037 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,038 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,048 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,049 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,050 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,051 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,052 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,053 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,054 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,054 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,100 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 18:22:11,100 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 18:22:11,101 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 18:22:11,104 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 18:22:11,106 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 18:22:11,106 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 18:22:11,290 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 18:22:11,291 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 18:22:11,292 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 18:22:11,293 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 18:22:11,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 18:22:11,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 18:22:11,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 18:22:11,296 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 18:22:11,296 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 18:22:11,297 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 18:22:11,297 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 18:22:11,401 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 18:22:11,408 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 18:22:11,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:22:11,426 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:22:11,436 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_38b4dd92-0331-40ab-92d4-e101f27d8499/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2022-12-13 18:22:11,436 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_38b4dd92-0331-40ab-92d4-e101f27d8499/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2022-12-13 18:22:11,468 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,469 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,469 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,470 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,470 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,476 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,477 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,478 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,478 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,479 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,480 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,480 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,481 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 18:22:11,486 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 18:22:11,487 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 18:22:11,487 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 18:22:11,489 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 18:22:11,491 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 18:22:11,491 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 18:22:11,507 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 18:22:11,508 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 18:22:11,509 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 18:22:11,509 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 18:22:11,510 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 18:22:11,510 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 18:22:11,511 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 18:22:11,511 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 18:22:11,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 18:22:11,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 18:22:11,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 18:22:11,529 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 18:22:11,535 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 18:22:11,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:22:11,700 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:22:11,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11 WrapperNode [2022-12-13 18:22:11,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:22:11,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:22:11,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:22:11,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:22:11,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,760 INFO L138 Inliner]: procedures = 679, calls = 972, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 59 [2022-12-13 18:22:11,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:22:11,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:22:11,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:22:11,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:22:11,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,780 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:22:11,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:22:11,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:22:11,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:22:11,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (1/1) ... [2022-12-13 18:22:11,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:22:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:11,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:22:11,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:22:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-12-13 18:22:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-12-13 18:22:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-13 18:22:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-13 18:22:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:22:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 18:22:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 18:22:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:22:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:22:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 18:22:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:22:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:22:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-13 18:22:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-13 18:22:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-12-13 18:22:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-12-13 18:22:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 18:22:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 18:22:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 18:22:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-13 18:22:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-13 18:22:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-13 18:22:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-13 18:22:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:22:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:22:12,003 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:22:12,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:22:12,149 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:22:12,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:22:12,154 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:22:12,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:12 BoogieIcfgContainer [2022-12-13 18:22:12,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:22:12,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:22:12,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:22:12,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:22:12,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:22:10" (1/3) ... [2022-12-13 18:22:12,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570bd9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:22:12, skipping insertion in model container [2022-12-13 18:22:12,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:11" (2/3) ... [2022-12-13 18:22:12,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570bd9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:22:12, skipping insertion in model container [2022-12-13 18:22:12,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:12" (3/3) ... [2022-12-13 18:22:12,164 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness_negated.i [2022-12-13 18:22:12,180 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:22:12,180 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:22:12,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:22:12,220 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@127f856c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:22:12,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:22:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 18:22:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 18:22:12,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:12,231 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:12,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:12,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:12,235 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2022-12-13 18:22:12,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:12,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582360581] [2022-12-13 18:22:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:22:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 18:22:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:22:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:12,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:22:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:12,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 18:22:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:22:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:22:13,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:13,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582360581] [2022-12-13 18:22:13,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582360581] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:13,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:13,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-13 18:22:13,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174050884] [2022-12-13 18:22:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:13,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 18:22:13,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:13,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 18:22:13,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-12-13 18:22:13,212 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 18:22:13,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:13,712 INFO L93 Difference]: Finished difference Result 127 states and 153 transitions. [2022-12-13 18:22:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 18:22:13,715 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 55 [2022-12-13 18:22:13,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:13,723 INFO L225 Difference]: With dead ends: 127 [2022-12-13 18:22:13,723 INFO L226 Difference]: Without dead ends: 58 [2022-12-13 18:22:13,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2022-12-13 18:22:13,729 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 85 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:13,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 271 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 18:22:13,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-13 18:22:13,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-13 18:22:13,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.054054054054054) internal successors, (39), 38 states have internal predecessors, (39), 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) [2022-12-13 18:22:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2022-12-13 18:22:13,768 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 55 [2022-12-13 18:22:13,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:13,769 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-12-13 18:22:13,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 18:22:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-12-13 18:22:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 18:22:13,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:13,772 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:13,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:22:13,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:13,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:13,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1047718708, now seen corresponding path program 1 times [2022-12-13 18:22:13,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:13,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762533673] [2022-12-13 18:22:13,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:22:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 18:22:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:22:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:22:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 18:22:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:22:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 18:22:14,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:14,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762533673] [2022-12-13 18:22:14,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762533673] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:14,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947560179] [2022-12-13 18:22:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:14,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:14,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:14,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:22:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-13 18:22:14,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:22:14,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:14,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947560179] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:14,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:22:14,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 13 [2022-12-13 18:22:14,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40871193] [2022-12-13 18:22:14,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:14,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:22:14,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:14,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:22:14,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:22:14,986 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-13 18:22:15,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:15,068 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2022-12-13 18:22:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:22:15,069 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 55 [2022-12-13 18:22:15,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:15,069 INFO L225 Difference]: With dead ends: 62 [2022-12-13 18:22:15,069 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:22:15,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-12-13 18:22:15,070 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:15,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 78 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:22:15,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:22:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:22:15,071 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) [2022-12-13 18:22:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:22:15,071 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2022-12-13 18:22:15,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:15,071 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:22:15,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-13 18:22:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:22:15,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:22:15,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 18:22:15,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:22:15,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:15,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:22:15,320 INFO L899 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2022-12-13 18:22:15,320 INFO L895 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-12-13 18:22:15,320 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6926 6931) no Hoare annotation was computed. [2022-12-13 18:22:15,320 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6926 6931) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-12-13 18:22:15,321 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2022-12-13 18:22:15,321 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-12-13 18:22:15,321 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-12-13 18:22:15,321 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2022-12-13 18:22:15,321 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2022-12-13 18:22:15,321 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6292 6296) the Hoare annotation is: true [2022-12-13 18:22:15,321 INFO L902 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2022-12-13 18:22:15,321 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6292 6296) no Hoare annotation was computed. [2022-12-13 18:22:15,321 INFO L902 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: true [2022-12-13 18:22:15,321 INFO L899 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6933 6935) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6933 6935) the Hoare annotation is: true [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point L6306-3(line 6306) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point L6306-2(line 6306) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point L6306-5(line 6306) no Hoare annotation was computed. [2022-12-13 18:22:15,322 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6302 6307) no Hoare annotation was computed. [2022-12-13 18:22:15,323 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6302 6307) the Hoare annotation is: true [2022-12-13 18:22:15,323 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2022-12-13 18:22:15,323 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2022-12-13 18:22:15,323 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-12-13 18:22:15,323 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-12-13 18:22:15,323 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2022-12-13 18:22:15,323 INFO L895 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) [2022-12-13 18:22:15,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:22:15,323 INFO L899 garLoopResultBuilder]: For program point L6854-5(lines 6854 6855) no Hoare annotation was computed. [2022-12-13 18:22:15,323 INFO L899 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2022-12-13 18:22:15,323 INFO L899 garLoopResultBuilder]: For program point L7259(lines 7259 7263) no Hoare annotation was computed. [2022-12-13 18:22:15,324 INFO L895 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: false [2022-12-13 18:22:15,324 INFO L899 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2022-12-13 18:22:15,324 INFO L895 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: false [2022-12-13 18:22:15,324 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_returnLabel#1(lines 6850 6860) the Hoare annotation is: false [2022-12-13 18:22:15,324 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_length_returnLabel#1(lines 6844 6848) the Hoare annotation is: false [2022-12-13 18:22:15,324 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:22:15,324 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(line 7264) the Hoare annotation is: (and (not (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.base| 0))) [2022-12-13 18:22:15,324 INFO L899 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2022-12-13 18:22:15,324 INFO L895 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (and (<= 0 (+ (* 18446744073709551616 (div (+ (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|) 1234548) 18446744073709551616)) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) (<= 0 (+ |ULTIMATE.start_ensure_string_is_allocated_~len#1| (* 18446744073709551616 (div (+ 1234548 (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_~len#1|)) 18446744073709551616))))) [2022-12-13 18:22:15,325 INFO L895 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: false [2022-12-13 18:22:15,325 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:22:15,325 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:22:15,325 INFO L899 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2022-12-13 18:22:15,325 INFO L899 garLoopResultBuilder]: For program point L7262-2(line 7262) no Hoare annotation was computed. [2022-12-13 18:22:15,325 INFO L895 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) [2022-12-13 18:22:15,325 INFO L895 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: false [2022-12-13 18:22:15,325 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_nondet_length_returnLabel#1(lines 6837 6842) the Hoare annotation is: false [2022-12-13 18:22:15,325 INFO L895 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: false [2022-12-13 18:22:15,325 INFO L899 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2022-12-13 18:22:15,326 INFO L895 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: false [2022-12-13 18:22:15,326 INFO L899 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2022-12-13 18:22:15,326 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-13 18:22:15,326 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-13 18:22:15,326 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-12-13 18:22:15,326 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-12-13 18:22:15,326 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2022-12-13 18:22:15,326 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-12-13 18:22:15,329 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 18:22:15,331 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:22:15,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:22:15 BoogieIcfgContainer [2022-12-13 18:22:15,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:22:15,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:22:15,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:22:15,343 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:22:15,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:12" (3/4) ... [2022-12-13 18:22:15,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:22:15,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-12-13 18:22:15,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-12-13 18:22:15,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-12-13 18:22:15,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-12-13 18:22:15,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-13 18:22:15,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-13 18:22:15,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-12-13 18:22:15,351 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-12-13 18:22:15,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 18:22:15,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 18:22:15,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:22:15,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:22:15,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(str == 0)) && !(str == 0)) && !(\result == 0)) && !(\result == 0) [2022-12-13 18:22:15,381 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:22:15,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:22:15,382 INFO L158 Benchmark]: Toolchain (without parser) took 5041.48ms. Allocated memory was 121.6MB in the beginning and 192.9MB in the end (delta: 71.3MB). Free memory was 75.0MB in the beginning and 119.2MB in the end (delta: -44.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-12-13 18:22:15,382 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 87.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:22:15,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1359.92ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 71.7MB in the end (delta: 3.4MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-12-13 18:22:15,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.11ms. Allocated memory is still 159.4MB. Free memory was 71.7MB in the beginning and 66.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:22:15,382 INFO L158 Benchmark]: Boogie Preprocessor took 22.94ms. Allocated memory is still 159.4MB. Free memory was 66.5MB in the beginning and 63.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:22:15,382 INFO L158 Benchmark]: RCFGBuilder took 371.63ms. Allocated memory is still 159.4MB. Free memory was 63.3MB in the beginning and 96.9MB in the end (delta: -33.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-13 18:22:15,383 INFO L158 Benchmark]: TraceAbstraction took 3184.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 96.9MB in the beginning and 123.4MB in the end (delta: -26.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-12-13 18:22:15,383 INFO L158 Benchmark]: Witness Printer took 38.11ms. Allocated memory is still 192.9MB. Free memory was 123.4MB in the beginning and 119.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:22:15,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 87.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1359.92ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 71.7MB in the end (delta: 3.4MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.11ms. Allocated memory is still 159.4MB. Free memory was 71.7MB in the beginning and 66.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.94ms. Allocated memory is still 159.4MB. Free memory was 66.5MB in the beginning and 63.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 371.63ms. Allocated memory is still 159.4MB. Free memory was 63.3MB in the beginning and 96.9MB in the end (delta: -33.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3184.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 96.9MB in the beginning and 123.4MB in the end (delta: -26.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Witness Printer took 38.11ms. Allocated memory is still 192.9MB. Free memory was 123.4MB in the beginning and 119.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 349 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 304 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 663 IncrementalHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 45 mSDtfsCounter, 663 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 81 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 42 PreInvPairs, 45 NumberOfFragments, 92 HoareAnnotationTreeSize, 42 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 433 SizeOfPredicates, 8 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 30/36 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: 6844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7264]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(str == 0)) && !(str == 0)) && !(\result == 0)) && !(\result == 0) - InvariantResult [Line: 6850]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:22:15,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b4dd92-0331-40ab-92d4-e101f27d8499/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE