./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa --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 7608d8aa64807891206ad38b93db31434f261f46ffbbb3a8b8a4940e4ab5ce81 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:25:45,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:25:45,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:25:45,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:25:45,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:25:45,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:25:45,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:25:45,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:25:45,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:25:45,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:25:45,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:25:45,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:25:45,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:25:45,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:25:45,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:25:45,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:25:45,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:25:45,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:25:45,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:25:45,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:25:45,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:25:45,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:25:45,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:25:45,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:25:45,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:25:45,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:25:45,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:25:45,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:25:45,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:25:45,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:25:45,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:25:45,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:25:45,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:25:45,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:25:45,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:25:45,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:25:45,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:25:45,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:25:45,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:25:45,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:25:45,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:25:45,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:25:45,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:25:45,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:25:45,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:25:45,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:25:45,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:25:45,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:25:45,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:25:45,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:25:45,311 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:25:45,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:25:45,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:25:45,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:25:45,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:25:45,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:25:45,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:25:45,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:25:45,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:25:45,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:25:45,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:25:45,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:25:45,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:25:45,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:25:45,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:25:45,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:25:45,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:25:45,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:25:45,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:25:45,313 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:25:45,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:25:45,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:25:45,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:25:45,313 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_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7608d8aa64807891206ad38b93db31434f261f46ffbbb3a8b8a4940e4ab5ce81 [2021-12-06 22:25:45,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:25:45,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:25:45,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:25:45,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:25:45,502 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:25:45,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2021-12-06 22:25:45,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/data/b446e58d4/0e6a3bab36514f9e8937e880699ccd55/FLAGa7c285777 [2021-12-06 22:25:46,194 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:25:46,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2021-12-06 22:25:46,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/data/b446e58d4/0e6a3bab36514f9e8937e880699ccd55/FLAGa7c285777 [2021-12-06 22:25:46,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/data/b446e58d4/0e6a3bab36514f9e8937e880699ccd55 [2021-12-06 22:25:46,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:25:46,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:25:46,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:25:46,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:25:46,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:25:46,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:25:46" (1/1) ... [2021-12-06 22:25:46,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4316a736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:46, skipping insertion in model container [2021-12-06 22:25:46,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:25:46" (1/1) ... [2021-12-06 22:25:46,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:25:46,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:25:46,832 WARN L230 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_866de4ef-129a-4ede-9dbb-175a3c0744d9/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[4494,4507] [2021-12-06 22:25:46,837 WARN L230 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_866de4ef-129a-4ede-9dbb-175a3c0744d9/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[4554,4567] [2021-12-06 22:25:47,511 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,511 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,512 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,512 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,513 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,523 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,523 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:47,927 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 22:25:47,928 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 22:25:47,928 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 22:25:47,929 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 22:25:47,930 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 22:25:47,930 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 22:25:47,931 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 22:25:47,931 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 22:25:47,932 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 22:25:47,932 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 22:25:48,081 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 22:25:48,319 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,319 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,336 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,337 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,341 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,342 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,353 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,354 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,354 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,355 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,355 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,355 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,356 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:25:48,405 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:25:48,415 WARN L230 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_866de4ef-129a-4ede-9dbb-175a3c0744d9/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[4494,4507] [2021-12-06 22:25:48,416 WARN L230 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_866de4ef-129a-4ede-9dbb-175a3c0744d9/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[4554,4567] [2021-12-06 22:25:48,442 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,442 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,442 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,443 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,443 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,447 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,447 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,448 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,448 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,449 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,449 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,450 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,450 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,479 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 22:25:48,480 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 22:25:48,481 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 22:25:48,481 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 22:25:48,482 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 22:25:48,482 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 22:25:48,482 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 22:25:48,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 22:25:48,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 22:25:48,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 22:25:48,496 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 22:25:48,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,560 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,560 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,562 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,562 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,568 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,568 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,569 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,569 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,569 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,569 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,570 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:25:48,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:25:48,794 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:25:48,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48 WrapperNode [2021-12-06 22:25:48,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:25:48,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:25:48,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:25:48,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:25:48,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,924 INFO L137 Inliner]: procedures = 774, calls = 2460, calls flagged for inlining = 66, calls inlined = 11, statements flattened = 732 [2021-12-06 22:25:48,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:25:48,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:25:48,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:25:48,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:25:48,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:25:48,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:25:48,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:25:48,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:25:48,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (1/1) ... [2021-12-06 22:25:48,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:25:49,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:49,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:25:49,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:25:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-06 22:25:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-06 22:25:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-06 22:25:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:25:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-06 22:25:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-06 22:25:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-06 22:25:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-06 22:25:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-06 22:25:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-06 22:25:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:25:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:25:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:25:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:25:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:25:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-06 22:25:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-06 22:25:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-06 22:25:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-06 22:25:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:25:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:25:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:25:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-06 22:25:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-06 22:25:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:25:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-06 22:25:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-06 22:25:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:25:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-06 22:25:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-06 22:25:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:25:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-06 22:25:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-06 22:25:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:25:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:25:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:25:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:25:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2021-12-06 22:25:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2021-12-06 22:25:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-06 22:25:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-06 22:25:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:25:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-06 22:25:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-06 22:25:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-06 22:25:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-06 22:25:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2021-12-06 22:25:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2021-12-06 22:25:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_delete [2021-12-06 22:25:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_delete [2021-12-06 22:25:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:25:49,260 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:25:49,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:25:49,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2021-12-06 22:25:49,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2021-12-06 22:25:50,172 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:25:50,181 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:25:50,181 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-06 22:25:50,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:50 BoogieIcfgContainer [2021-12-06 22:25:50,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:25:50,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:25:50,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:25:50,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:25:50,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:25:46" (1/3) ... [2021-12-06 22:25:50,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509fcd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:25:50, skipping insertion in model container [2021-12-06 22:25:50,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:48" (2/3) ... [2021-12-06 22:25:50,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509fcd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:25:50, skipping insertion in model container [2021-12-06 22:25:50,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:50" (3/3) ... [2021-12-06 22:25:50,192 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness.i [2021-12-06 22:25:50,197 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:25:50,197 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:25:50,246 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:25:50,252 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:25:50,253 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:25:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 137 states have (on average 1.2627737226277371) internal successors, (173), 136 states have internal predecessors, (173), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-12-06 22:25:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-06 22:25:50,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:50,287 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:50,287 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:50,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash 778506499, now seen corresponding path program 1 times [2021-12-06 22:25:50,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:50,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800619356] [2021-12-06 22:25:50,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:50,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:50,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:25:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:25:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:25:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:25:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:25:50,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:50,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800619356] [2021-12-06 22:25:50,818 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-12-06 22:25:50,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180050586] [2021-12-06 22:25:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:50,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:25:50,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:50,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:25:50,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:25:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 2544 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 22:25:51,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2021-12-06 22:25:51,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:25:51,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180050586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:51,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:51,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:25:51,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070406463] [2021-12-06 22:25:51,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:51,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:25:51,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:51,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:25:51,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:25:51,470 INFO L87 Difference]: Start difference. First operand has 210 states, 137 states have (on average 1.2627737226277371) internal successors, (173), 136 states have internal predecessors, (173), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 22:25:51,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:51,504 INFO L93 Difference]: Finished difference Result 415 states and 583 transitions. [2021-12-06 22:25:51,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:25:51,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 201 [2021-12-06 22:25:51,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:51,514 INFO L225 Difference]: With dead ends: 415 [2021-12-06 22:25:51,514 INFO L226 Difference]: Without dead ends: 205 [2021-12-06 22:25:51,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:25:51,521 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:51,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:25:51,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-12-06 22:25:51,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2021-12-06 22:25:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 131 states have (on average 1.2290076335877862) internal successors, (161), 132 states have internal predecessors, (161), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-12-06 22:25:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 268 transitions. [2021-12-06 22:25:51,564 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 268 transitions. Word has length 201 [2021-12-06 22:25:51,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:51,565 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 268 transitions. [2021-12-06 22:25:51,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 22:25:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 268 transitions. [2021-12-06 22:25:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-06 22:25:51,569 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:51,570 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:51,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:25:51,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:25:51,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:51,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:51,774 INFO L85 PathProgramCache]: Analyzing trace with hash -309437507, now seen corresponding path program 1 times [2021-12-06 22:25:51,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:51,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736735350] [2021-12-06 22:25:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:51,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:51,946 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:25:51,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768900595] [2021-12-06 22:25:51,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:51,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:25:51,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:51,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:25:51,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:25:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:52,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 2544 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:25:52,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:52,475 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2021-12-06 22:25:52,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:25:52,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:52,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736735350] [2021-12-06 22:25:52,476 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:25:52,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768900595] [2021-12-06 22:25:52,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768900595] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:52,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:52,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:25:52,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909124299] [2021-12-06 22:25:52,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:52,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:25:52,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:52,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:25:52,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:25:52,478 INFO L87 Difference]: Start difference. First operand 205 states and 268 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 22:25:52,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:52,527 INFO L93 Difference]: Finished difference Result 373 states and 491 transitions. [2021-12-06 22:25:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:25:52,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 201 [2021-12-06 22:25:52,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:52,532 INFO L225 Difference]: With dead ends: 373 [2021-12-06 22:25:52,532 INFO L226 Difference]: Without dead ends: 210 [2021-12-06 22:25:52,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:25:52,535 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 2 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:52,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1056 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:25:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-12-06 22:25:52,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2021-12-06 22:25:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 135 states have (on average 1.2222222222222223) internal successors, (165), 136 states have internal predecessors, (165), 54 states have call successors, (54), 19 states have call predecessors, (54), 20 states have return successors, (54), 54 states have call predecessors, (54), 53 states have call successors, (54) [2021-12-06 22:25:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 273 transitions. [2021-12-06 22:25:52,558 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 273 transitions. Word has length 201 [2021-12-06 22:25:52,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:52,559 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 273 transitions. [2021-12-06 22:25:52,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 22:25:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 273 transitions. [2021-12-06 22:25:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-06 22:25:52,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:52,564 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:52,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:25:52,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-12-06 22:25:52,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:52,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:52,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2085577371, now seen corresponding path program 1 times [2021-12-06 22:25:52,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:52,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413919983] [2021-12-06 22:25:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:52,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:25:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:25:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:25:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:25:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:25:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 22:25:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:25:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 22:25:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:25:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 22:25:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 22:25:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:25:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 22:25:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:25:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:25:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:25:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:25:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:25:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-06 22:25:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 22:25:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 22:25:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 22:25:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:25:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-06 22:25:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 22:25:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 22:25:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-06 22:25:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 22:25:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 22:25:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2021-12-06 22:25:53,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:53,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413919983] [2021-12-06 22:25:53,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413919983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:53,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:53,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 22:25:53,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181250626] [2021-12-06 22:25:53,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:53,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 22:25:53,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:53,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 22:25:53,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:25:53,395 INFO L87 Difference]: Start difference. First operand 210 states and 273 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-06 22:25:54,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:54,402 INFO L93 Difference]: Finished difference Result 378 states and 499 transitions. [2021-12-06 22:25:54,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 22:25:54,402 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 207 [2021-12-06 22:25:54,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:54,405 INFO L225 Difference]: With dead ends: 378 [2021-12-06 22:25:54,405 INFO L226 Difference]: Without dead ends: 229 [2021-12-06 22:25:54,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:25:54,407 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 387 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:54,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 782 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 22:25:54,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-12-06 22:25:54,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 215. [2021-12-06 22:25:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 139 states have (on average 1.223021582733813) internal successors, (170), 141 states have internal predecessors, (170), 54 states have call successors, (54), 19 states have call predecessors, (54), 21 states have return successors, (55), 54 states have call predecessors, (55), 53 states have call successors, (55) [2021-12-06 22:25:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 279 transitions. [2021-12-06 22:25:54,424 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 279 transitions. Word has length 207 [2021-12-06 22:25:54,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:54,424 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 279 transitions. [2021-12-06 22:25:54,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-06 22:25:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 279 transitions. [2021-12-06 22:25:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-06 22:25:54,427 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:54,427 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:54,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:25:54,428 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:54,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:54,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1668960419, now seen corresponding path program 1 times [2021-12-06 22:25:54,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:54,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922844911] [2021-12-06 22:25:54,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:54,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:25:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:25:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:25:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:25:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:25:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 22:25:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:25:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 22:25:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:25:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 22:25:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 22:25:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:25:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 22:25:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:25:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:25:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:25:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:25:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:25:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-06 22:25:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 22:25:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 22:25:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 22:25:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:25:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-06 22:25:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 22:25:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 22:25:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-06 22:25:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 22:25:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 22:25:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2021-12-06 22:25:55,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:55,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922844911] [2021-12-06 22:25:55,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922844911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:55,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:55,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:25:55,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301268829] [2021-12-06 22:25:55,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:55,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:25:55,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:55,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:25:55,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:25:55,025 INFO L87 Difference]: Start difference. First operand 215 states and 279 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 22:25:55,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:55,625 INFO L93 Difference]: Finished difference Result 385 states and 507 transitions. [2021-12-06 22:25:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:25:55,625 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 207 [2021-12-06 22:25:55,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:55,628 INFO L225 Difference]: With dead ends: 385 [2021-12-06 22:25:55,628 INFO L226 Difference]: Without dead ends: 231 [2021-12-06 22:25:55,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:25:55,631 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 184 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:55,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 624 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:25:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-12-06 22:25:55,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 217. [2021-12-06 22:25:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 142 states have internal predecessors, (171), 55 states have call successors, (55), 19 states have call predecessors, (55), 21 states have return successors, (56), 55 states have call predecessors, (56), 54 states have call successors, (56) [2021-12-06 22:25:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 282 transitions. [2021-12-06 22:25:55,651 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 282 transitions. Word has length 207 [2021-12-06 22:25:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:55,652 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 282 transitions. [2021-12-06 22:25:55,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 22:25:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 282 transitions. [2021-12-06 22:25:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-06 22:25:55,662 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:55,663 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:55,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:25:55,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:55,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:55,664 INFO L85 PathProgramCache]: Analyzing trace with hash -336287017, now seen corresponding path program 1 times [2021-12-06 22:25:55,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:55,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411901532] [2021-12-06 22:25:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:55,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:25:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:25:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:25:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:25:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:25:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 22:25:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:25:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 22:25:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:25:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 22:25:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:25:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 22:25:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 22:25:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-06 22:25:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:25:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:25:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 22:25:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-06 22:25:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 22:25:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 22:25:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-06 22:25:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:25:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:25:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-06 22:25:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 22:25:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 22:25:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 22:25:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-06 22:25:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 22:25:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2021-12-06 22:25:56,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:56,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411901532] [2021-12-06 22:25:56,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411901532] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:25:56,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032441047] [2021-12-06 22:25:56,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:56,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:25:56,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:56,150 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:25:56,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:25:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:56,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 2572 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-06 22:25:56,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:57,660 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)))) is different from true [2021-12-06 22:26:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2021-12-06 22:26:05,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:05,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032441047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:05,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:26:05,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2021-12-06 22:26:05,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430682712] [2021-12-06 22:26:05,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:05,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:26:05,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:05,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:26:05,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2021-12-06 22:26:05,706 INFO L87 Difference]: Start difference. First operand 217 states and 282 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-06 22:26:05,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:05,898 INFO L93 Difference]: Finished difference Result 378 states and 504 transitions. [2021-12-06 22:26:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:26:05,899 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 213 [2021-12-06 22:26:05,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:05,901 INFO L225 Difference]: With dead ends: 378 [2021-12-06 22:26:05,901 INFO L226 Difference]: Without dead ends: 220 [2021-12-06 22:26:05,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2021-12-06 22:26:05,903 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 5 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 398 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:05,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 1430 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 398 Unchecked, 0.1s Time] [2021-12-06 22:26:05,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-12-06 22:26:05,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 219. [2021-12-06 22:26:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 142 states have (on average 1.2183098591549295) internal successors, (173), 143 states have internal predecessors, (173), 55 states have call successors, (55), 20 states have call predecessors, (55), 21 states have return successors, (56), 55 states have call predecessors, (56), 54 states have call successors, (56) [2021-12-06 22:26:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 284 transitions. [2021-12-06 22:26:05,930 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 284 transitions. Word has length 213 [2021-12-06 22:26:05,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:05,931 INFO L470 AbstractCegarLoop]: Abstraction has 219 states and 284 transitions. [2021-12-06 22:26:05,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-06 22:26:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 284 transitions. [2021-12-06 22:26:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-06 22:26:05,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:05,934 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:05,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 22:26:06,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:06,134 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:06,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:06,135 INFO L85 PathProgramCache]: Analyzing trace with hash 54254165, now seen corresponding path program 1 times [2021-12-06 22:26:06,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:06,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613271153] [2021-12-06 22:26:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:06,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:26:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:26:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:26:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:26:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:26:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 22:26:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:26:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 22:26:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:26:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:26:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:26:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-06 22:26:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:26:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:26:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-06 22:26:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:26:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 22:26:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:26:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-06 22:26:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-06 22:26:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-06 22:26:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 22:26:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:26:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-06 22:26:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 22:26:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 22:26:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:26:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 22:26:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 22:26:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 22:26:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:26:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2021-12-06 22:26:06,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:06,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613271153] [2021-12-06 22:26:06,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613271153] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:26:06,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29734689] [2021-12-06 22:26:06,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:06,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:06,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:26:06,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:26:06,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 22:26:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:06,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 2602 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 22:26:06,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-12-06 22:26:07,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:07,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29734689] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:07,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:26:07,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2021-12-06 22:26:07,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327835904] [2021-12-06 22:26:07,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:07,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:26:07,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:07,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:26:07,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:26:07,160 INFO L87 Difference]: Start difference. First operand 219 states and 284 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-06 22:26:07,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:07,269 INFO L93 Difference]: Finished difference Result 355 states and 466 transitions. [2021-12-06 22:26:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:26:07,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 218 [2021-12-06 22:26:07,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:07,273 INFO L225 Difference]: With dead ends: 355 [2021-12-06 22:26:07,273 INFO L226 Difference]: Without dead ends: 221 [2021-12-06 22:26:07,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:26:07,274 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 2 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:07,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1188 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:26:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-12-06 22:26:07,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2021-12-06 22:26:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 143 states have (on average 1.2167832167832169) internal successors, (174), 145 states have internal predecessors, (174), 55 states have call successors, (55), 20 states have call predecessors, (55), 22 states have return successors, (59), 55 states have call predecessors, (59), 54 states have call successors, (59) [2021-12-06 22:26:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 288 transitions. [2021-12-06 22:26:07,291 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 288 transitions. Word has length 218 [2021-12-06 22:26:07,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:07,292 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 288 transitions. [2021-12-06 22:26:07,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-06 22:26:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 288 transitions. [2021-12-06 22:26:07,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-06 22:26:07,294 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:07,295 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:07,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 22:26:07,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:07,497 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:07,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1846575800, now seen corresponding path program 1 times [2021-12-06 22:26:07,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:07,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420107011] [2021-12-06 22:26:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:07,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:26:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:26:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:26:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:26:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:26:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 22:26:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:26:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 22:26:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:26:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:26:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:26:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-06 22:26:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:26:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:26:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-06 22:26:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:26:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 22:26:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:26:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-06 22:26:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:26:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 22:26:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:26:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:26:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 22:26:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:26:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 22:26:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 22:26:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:26:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 22:26:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 22:26:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-06 22:26:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 22:26:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-12-06 22:26:07,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:07,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420107011] [2021-12-06 22:26:07,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420107011] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:26:07,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909748400] [2021-12-06 22:26:07,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:07,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:07,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:26:07,974 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:26:07,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 22:26:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 2660 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:26:08,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 364 proven. 47 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2021-12-06 22:26:08,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:26:08,829 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-12-06 22:26:08,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909748400] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:26:08,829 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:26:08,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2021-12-06 22:26:08,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748187870] [2021-12-06 22:26:08,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:26:08,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 22:26:08,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:08,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 22:26:08,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:26:08,832 INFO L87 Difference]: Start difference. First operand 221 states and 288 transitions. Second operand has 15 states, 15 states have (on average 12.466666666666667) internal successors, (187), 12 states have internal predecessors, (187), 9 states have call successors, (95), 6 states have call predecessors, (95), 5 states have return successors, (89), 9 states have call predecessors, (89), 9 states have call successors, (89) [2021-12-06 22:26:09,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:09,276 INFO L93 Difference]: Finished difference Result 280 states and 360 transitions. [2021-12-06 22:26:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:26:09,277 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.466666666666667) internal successors, (187), 12 states have internal predecessors, (187), 9 states have call successors, (95), 6 states have call predecessors, (95), 5 states have return successors, (89), 9 states have call predecessors, (89), 9 states have call successors, (89) Word has length 230 [2021-12-06 22:26:09,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:09,277 INFO L225 Difference]: With dead ends: 280 [2021-12-06 22:26:09,277 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:26:09,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:26:09,278 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 238 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:09,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 786 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 22:26:09,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:26:09,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:26:09,279 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) [2021-12-06 22:26:09,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:26:09,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2021-12-06 22:26:09,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:09,280 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:26:09,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.466666666666667) internal successors, (187), 12 states have internal predecessors, (187), 9 states have call successors, (95), 6 states have call predecessors, (95), 5 states have return successors, (89), 9 states have call predecessors, (89), 9 states have call successors, (89) [2021-12-06 22:26:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:26:09,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:26:09,282 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:26:09,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 22:26:09,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 22:26:09,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:26:09,892 INFO L858 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2021-12-06 22:26:09,893 INFO L854 garLoopResultBuilder]: At program point L6944(lines 6944 6946) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,893 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,893 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2021-12-06 22:26:09,893 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2021-12-06 22:26:09,893 INFO L858 garLoopResultBuilder]: For program point L9990-5(line 9990) no Hoare annotation was computed. [2021-12-06 22:26:09,893 INFO L858 garLoopResultBuilder]: For program point L9990-7(line 9990) no Hoare annotation was computed. [2021-12-06 22:26:09,893 INFO L861 garLoopResultBuilder]: At program point aws_hash_table_is_validENTRY(lines 9988 9991) the Hoare annotation is: true [2021-12-06 22:26:09,893 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 9988 9991) no Hoare annotation was computed. [2021-12-06 22:26:09,893 INFO L858 garLoopResultBuilder]: For program point L9990-2(line 9990) no Hoare annotation was computed. [2021-12-06 22:26:09,893 INFO L858 garLoopResultBuilder]: For program point L9990-3(line 9990) no Hoare annotation was computed. [2021-12-06 22:26:09,893 INFO L854 garLoopResultBuilder]: At program point L9990-4(line 9990) the Hoare annotation is: (let ((.cse2 (or (= (select (select |#memory_$Pointer$.base| |aws_hash_table_is_valid_#in~map.base|) |aws_hash_table_is_valid_#in~map.offset|) 0) |aws_hash_table_is_valid_#t~short1284|)) (.cse5 (= aws_hash_table_is_valid_~map.offset |aws_hash_table_is_valid_#in~map.offset|)) (.cse6 (= |aws_hash_table_is_valid_#in~map.base| aws_hash_table_is_valid_~map.base))) (or (let ((.cse7 (= (select (select |#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)) (.cse1 (= 0 (select (select |#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))) (let ((.cse0 (or (not .cse7) (not .cse1)))) (and (or (and .cse0 |aws_hash_table_is_valid_#t~short1284|) (and (not |aws_hash_table_is_valid_#t~short1284|) .cse1)) .cse2 (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (let ((.cse4 (select (select |#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)) (.cse3 (select (select |#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset))) (and (or (not (= .cse3 0)) (not (= 0 .cse4))) (= |aws_hash_table_is_valid_#t~mem1282.offset| .cse4) (= .cse3 |aws_hash_table_is_valid_#t~mem1282.base|)))) .cse5 .cse6 (or (and (not |aws_hash_table_is_valid_#t~short1281|) .cse7 .cse1) (and .cse0 |aws_hash_table_is_valid_#t~short1281|))))) (not (< 0 |#StackHeapBarrier|)) (and .cse2 (= |aws_hash_table_is_valid_#in~map.base| 0) .cse5 .cse6))) [2021-12-06 22:26:09,893 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validFINAL(lines 9988 9991) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9990(line 9990) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L861 garLoopResultBuilder]: At program point L9140(line 9140) the Hoare annotation is: true [2021-12-06 22:26:09,894 INFO L861 garLoopResultBuilder]: At program point L9140-1(line 9140) the Hoare annotation is: true [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9140-2(line 9140) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L861 garLoopResultBuilder]: At program point L9640-3(line 9640) the Hoare annotation is: true [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9640-4(line 9640) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L861 garLoopResultBuilder]: At program point L9640-5(lines 9603 9641) the Hoare annotation is: true [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9640-6(lines 9603 9641) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9640(line 9640) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9640-1(line 9640) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L861 garLoopResultBuilder]: At program point L9604(line 9604) the Hoare annotation is: true [2021-12-06 22:26:09,894 INFO L861 garLoopResultBuilder]: At program point L9604-1(line 9604) the Hoare annotation is: true [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9604-2(line 9604) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9629(lines 9629 9631) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9142-1(line 9142) no Hoare annotation was computed. [2021-12-06 22:26:09,894 INFO L858 garLoopResultBuilder]: For program point L9621(lines 9621 9623) no Hoare annotation was computed. [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point L9142-2(line 9142) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L858 garLoopResultBuilder]: For program point L9142-3(line 9142) no Hoare annotation was computed. [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point L9142-5(line 9142) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L858 garLoopResultBuilder]: For program point L9142-6(line 9142) no Hoare annotation was computed. [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point s_remove_entryENTRY(lines 9603 9641) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point L9617-2(lines 9617 9636) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point L9142-8(line 9142) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point L9605(line 9605) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L858 garLoopResultBuilder]: For program point L9605-1(line 9605) no Hoare annotation was computed. [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point L9139(lines 9139 9143) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L858 garLoopResultBuilder]: For program point s_remove_entryEXIT(lines 9603 9641) no Hoare annotation was computed. [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point L9639-2(lines 9603 9641) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L861 garLoopResultBuilder]: At program point L9606-2(line 9606) the Hoare annotation is: true [2021-12-06 22:26:09,895 INFO L858 garLoopResultBuilder]: For program point L9606-3(line 9606) no Hoare annotation was computed. [2021-12-06 22:26:09,895 INFO L858 garLoopResultBuilder]: For program point L9639(line 9639) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L9606(line 9606) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L9639-1(line 9639) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-06 22:26:09,896 INFO L861 garLoopResultBuilder]: At program point L10108(line 10108) the Hoare annotation is: true [2021-12-06 22:26:09,896 INFO L854 garLoopResultBuilder]: At program point hash_table_state_required_bytesENTRY(lines 10101 10113) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L10108-1(line 10108) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L10108-2(lines 10108 10110) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L854 garLoopResultBuilder]: At program point L10104(line 10104) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L10104-1(line 10104) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10101 10113) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L10104-2(lines 10104 10106) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10101 10113) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L10075(lines 10075 10088) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L10079(line 10079) no Hoare annotation was computed. [2021-12-06 22:26:09,896 INFO L858 garLoopResultBuilder]: For program point L10069(lines 10069 10073) no Hoare annotation was computed. [2021-12-06 22:26:09,897 INFO L861 garLoopResultBuilder]: At program point aws_hash_iter_is_validENTRY(lines 10052 10093) the Hoare annotation is: true [2021-12-06 22:26:09,897 INFO L858 garLoopResultBuilder]: For program point L10059(lines 10059 10063) no Hoare annotation was computed. [2021-12-06 22:26:09,897 INFO L858 garLoopResultBuilder]: For program point L10082(lines 10082 10083) no Hoare annotation was computed. [2021-12-06 22:26:09,897 INFO L858 garLoopResultBuilder]: For program point L10076(line 10076) no Hoare annotation was computed. [2021-12-06 22:26:09,897 INFO L858 garLoopResultBuilder]: For program point L10082-2(lines 10082 10083) no Hoare annotation was computed. [2021-12-06 22:26:09,897 INFO L858 garLoopResultBuilder]: For program point aws_hash_iter_is_validEXIT(lines 10052 10093) no Hoare annotation was computed. [2021-12-06 22:26:09,897 INFO L854 garLoopResultBuilder]: At program point L10064(line 10064) the Hoare annotation is: (or (and (= |aws_hash_iter_is_valid_#in~iter.base| 0) (= aws_hash_iter_is_valid_~iter.base |aws_hash_iter_is_valid_#in~iter.base|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-06 22:26:09,897 INFO L858 garLoopResultBuilder]: For program point L10064-1(lines 10064 10068) no Hoare annotation was computed. [2021-12-06 22:26:09,897 INFO L858 garLoopResultBuilder]: For program point L10085(line 10085) no Hoare annotation was computed. [2021-12-06 22:26:09,898 INFO L858 garLoopResultBuilder]: For program point L10087-2(line 10087) no Hoare annotation was computed. [2021-12-06 22:26:09,898 INFO L858 garLoopResultBuilder]: For program point aws_hash_iter_is_validFINAL(lines 10052 10093) no Hoare annotation was computed. [2021-12-06 22:26:09,898 INFO L858 garLoopResultBuilder]: For program point L10087(line 10087) no Hoare annotation was computed. [2021-12-06 22:26:09,898 INFO L858 garLoopResultBuilder]: For program point L10054(lines 10054 10058) no Hoare annotation was computed. [2021-12-06 22:26:09,898 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2021-12-06 22:26:09,898 INFO L858 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2021-12-06 22:26:09,898 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2021-12-06 22:26:09,898 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,898 INFO L861 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: true [2021-12-06 22:26:09,898 INFO L854 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,899 INFO L858 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2021-12-06 22:26:09,899 INFO L854 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-12-06 22:26:09,899 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-06 22:26:09,899 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-06 22:26:09,899 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-06 22:26:09,899 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:26:09,899 INFO L861 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2021-12-06 22:26:09,899 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:26:09,899 INFO L858 garLoopResultBuilder]: For program point L6852(line 6852) no Hoare annotation was computed. [2021-12-06 22:26:09,900 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,900 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2021-12-06 22:26:09,900 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2021-12-06 22:26:09,900 INFO L861 garLoopResultBuilder]: At program point hash_table_state_is_validENTRY(lines 9999 10046) the Hoare annotation is: true [2021-12-06 22:26:09,900 INFO L861 garLoopResultBuilder]: At program point L10027(line 10027) the Hoare annotation is: true [2021-12-06 22:26:09,900 INFO L858 garLoopResultBuilder]: For program point L10027-1(line 10027) no Hoare annotation was computed. [2021-12-06 22:26:09,900 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 9999 10046) no Hoare annotation was computed. [2021-12-06 22:26:09,900 INFO L858 garLoopResultBuilder]: For program point L10001(lines 10001 10005) no Hoare annotation was computed. [2021-12-06 22:26:09,900 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 9999 10046) no Hoare annotation was computed. [2021-12-06 22:26:09,900 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:26:09,901 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-12-06 22:26:09,901 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-12-06 22:26:09,901 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:26:09,901 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-06 22:26:09,901 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-06 22:26:09,901 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-06 22:26:09,901 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-06 22:26:09,901 INFO L854 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-12-06 22:26:09,901 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-12-06 22:26:09,901 INFO L858 garLoopResultBuilder]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2021-12-06 22:26:09,901 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-12-06 22:26:09,902 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,902 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-12-06 22:26:09,902 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-12-06 22:26:09,902 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoFINAL(lines 2626 2631) no Hoare annotation was computed. [2021-12-06 22:26:09,902 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2021-12-06 22:26:09,902 INFO L861 garLoopResultBuilder]: At program point aws_is_power_of_twoENTRY(lines 2626 2631) the Hoare annotation is: true [2021-12-06 22:26:09,902 INFO L861 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: true [2021-12-06 22:26:09,902 INFO L854 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,902 INFO L854 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 22:26:09,903 INFO L858 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2021-12-06 22:26:09,903 INFO L854 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-12-06 22:26:09,903 INFO L858 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2021-12-06 22:26:09,903 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2021-12-06 22:26:09,903 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2021-12-06 22:26:09,903 INFO L858 garLoopResultBuilder]: For program point L9883(lines 9883 9885) no Hoare annotation was computed. [2021-12-06 22:26:09,903 INFO L861 garLoopResultBuilder]: At program point L9887(line 9887) the Hoare annotation is: true [2021-12-06 22:26:09,903 INFO L858 garLoopResultBuilder]: For program point L9887-1(line 9887) no Hoare annotation was computed. [2021-12-06 22:26:09,903 INFO L858 garLoopResultBuilder]: For program point L9883-2(lines 9883 9885) no Hoare annotation was computed. [2021-12-06 22:26:09,903 INFO L861 garLoopResultBuilder]: At program point L9900(line 9900) the Hoare annotation is: true [2021-12-06 22:26:09,903 INFO L858 garLoopResultBuilder]: For program point L9900-1(line 9900) no Hoare annotation was computed. [2021-12-06 22:26:09,904 INFO L858 garLoopResultBuilder]: For program point L9892(line 9892) no Hoare annotation was computed. [2021-12-06 22:26:09,904 INFO L858 garLoopResultBuilder]: For program point L9892-2(lines 9892 9894) no Hoare annotation was computed. [2021-12-06 22:26:09,904 INFO L861 garLoopResultBuilder]: At program point L9884(line 9884) the Hoare annotation is: true [2021-12-06 22:26:09,904 INFO L858 garLoopResultBuilder]: For program point aws_hash_iter_deleteFINAL(lines 9871 9904) no Hoare annotation was computed. [2021-12-06 22:26:09,904 INFO L858 garLoopResultBuilder]: For program point L9884-1(line 9884) no Hoare annotation was computed. [2021-12-06 22:26:09,904 INFO L858 garLoopResultBuilder]: For program point L9892-4(lines 9892 9894) no Hoare annotation was computed. [2021-12-06 22:26:09,904 INFO L861 garLoopResultBuilder]: At program point L9876(line 9876) the Hoare annotation is: true [2021-12-06 22:26:09,904 INFO L861 garLoopResultBuilder]: At program point L9876-1(line 9876) the Hoare annotation is: true [2021-12-06 22:26:09,904 INFO L858 garLoopResultBuilder]: For program point L9876-2(line 9876) no Hoare annotation was computed. [2021-12-06 22:26:09,904 INFO L861 garLoopResultBuilder]: At program point aws_hash_iter_deleteENTRY(lines 9871 9904) the Hoare annotation is: true [2021-12-06 22:26:09,905 INFO L858 garLoopResultBuilder]: For program point aws_hash_iter_deleteEXIT(lines 9871 9904) no Hoare annotation was computed. [2021-12-06 22:26:09,905 INFO L861 garLoopResultBuilder]: At program point L9877(line 9877) the Hoare annotation is: true [2021-12-06 22:26:09,905 INFO L858 garLoopResultBuilder]: For program point L9877-1(line 9877) no Hoare annotation was computed. [2021-12-06 22:26:09,905 INFO L858 garLoopResultBuilder]: For program point L9882(lines 9882 9889) no Hoare annotation was computed. [2021-12-06 22:26:09,905 INFO L858 garLoopResultBuilder]: For program point L9886(lines 9886 9888) no Hoare annotation was computed. [2021-12-06 22:26:09,905 INFO L861 garLoopResultBuilder]: At program point L9874(line 9874) the Hoare annotation is: true [2021-12-06 22:26:09,905 INFO L858 garLoopResultBuilder]: For program point L9882-1(lines 9882 9889) no Hoare annotation was computed. [2021-12-06 22:26:09,905 INFO L858 garLoopResultBuilder]: For program point L9903-2(line 9903) no Hoare annotation was computed. [2021-12-06 22:26:09,905 INFO L858 garLoopResultBuilder]: For program point L9874-1(line 9874) no Hoare annotation was computed. [2021-12-06 22:26:09,905 INFO L861 garLoopResultBuilder]: At program point L9903(line 9903) the Hoare annotation is: true [2021-12-06 22:26:09,906 INFO L861 garLoopResultBuilder]: At program point L9903-1(line 9903) the Hoare annotation is: true [2021-12-06 22:26:09,906 INFO L861 garLoopResultBuilder]: At program point L9891(line 9891) the Hoare annotation is: true [2021-12-06 22:26:09,906 INFO L858 garLoopResultBuilder]: For program point L9891-1(line 9891) no Hoare annotation was computed. [2021-12-06 22:26:09,906 INFO L858 garLoopResultBuilder]: For program point L6815-1(line 6815) no Hoare annotation was computed. [2021-12-06 22:26:09,906 INFO L854 garLoopResultBuilder]: At program point L6815(line 6815) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,906 INFO L854 garLoopResultBuilder]: At program point L6811-1(line 6811) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,906 INFO L854 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,906 INFO L858 garLoopResultBuilder]: For program point L6815-3(line 6815) no Hoare annotation was computed. [2021-12-06 22:26:09,906 INFO L854 garLoopResultBuilder]: At program point L6815-2(line 6815) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,907 INFO L858 garLoopResultBuilder]: For program point L6840-1(line 6840) no Hoare annotation was computed. [2021-12-06 22:26:09,907 INFO L854 garLoopResultBuilder]: At program point L6840(line 6840) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,907 INFO L854 garLoopResultBuilder]: At program point L10131(line 10131) the Hoare annotation is: false [2021-12-06 22:26:09,907 INFO L858 garLoopResultBuilder]: For program point L10131-1(line 10131) no Hoare annotation was computed. [2021-12-06 22:26:09,907 INFO L854 garLoopResultBuilder]: At program point L10127(line 10127) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (< 1 |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,907 INFO L858 garLoopResultBuilder]: For program point L10127-1(line 10127) no Hoare annotation was computed. [2021-12-06 22:26:09,907 INFO L854 garLoopResultBuilder]: At program point L10119-2(line 10119) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,907 INFO L858 garLoopResultBuilder]: For program point L10119-3(line 10119) no Hoare annotation was computed. [2021-12-06 22:26:09,907 INFO L858 garLoopResultBuilder]: For program point L10119(line 10119) no Hoare annotation was computed. [2021-12-06 22:26:09,907 INFO L858 garLoopResultBuilder]: For program point L6816-1(line 6816) no Hoare annotation was computed. [2021-12-06 22:26:09,908 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:26:09,908 INFO L854 garLoopResultBuilder]: At program point L6816(line 6816) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,908 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:26:09,908 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:26:09,908 INFO L858 garLoopResultBuilder]: For program point L6812-1(line 6812) no Hoare annotation was computed. [2021-12-06 22:26:09,908 INFO L854 garLoopResultBuilder]: At program point L6812(line 6812) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,908 INFO L854 garLoopResultBuilder]: At program point L10132(line 10132) the Hoare annotation is: false [2021-12-06 22:26:09,908 INFO L858 garLoopResultBuilder]: For program point L6841-1(line 6841) no Hoare annotation was computed. [2021-12-06 22:26:09,908 INFO L854 garLoopResultBuilder]: At program point L10132-1(line 10132) the Hoare annotation is: false [2021-12-06 22:26:09,909 INFO L854 garLoopResultBuilder]: At program point L6841(line 6841) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,909 INFO L858 garLoopResultBuilder]: For program point L10132-2(line 10132) no Hoare annotation was computed. [2021-12-06 22:26:09,909 INFO L854 garLoopResultBuilder]: At program point L6833(lines 6831 6834) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,909 INFO L854 garLoopResultBuilder]: At program point L10128(line 10128) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (< 1 |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,909 INFO L854 garLoopResultBuilder]: At program point L10128-1(line 10128) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= 0 |ULTIMATE.start_aws_hash_iter_delete_harness_#t~ret1341#1|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2021-12-06 22:26:09,909 INFO L858 garLoopResultBuilder]: For program point L10128-2(line 10128) no Hoare annotation was computed. [2021-12-06 22:26:09,909 INFO L858 garLoopResultBuilder]: For program point L10120-3(line 10120) no Hoare annotation was computed. [2021-12-06 22:26:09,909 INFO L858 garLoopResultBuilder]: For program point L10120(line 10120) no Hoare annotation was computed. [2021-12-06 22:26:09,909 INFO L854 garLoopResultBuilder]: At program point L10120-2(line 10120) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,910 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:26:09,910 INFO L858 garLoopResultBuilder]: For program point L6809(lines 6809 6819) no Hoare annotation was computed. [2021-12-06 22:26:09,910 INFO L854 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,910 INFO L854 garLoopResultBuilder]: At program point L6843(lines 6837 6844) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,910 INFO L858 garLoopResultBuilder]: For program point L6839-1(line 6839) no Hoare annotation was computed. [2021-12-06 22:26:09,910 INFO L854 garLoopResultBuilder]: At program point L6839(line 6839) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,910 INFO L858 garLoopResultBuilder]: For program point L6810-1(line 6810) no Hoare annotation was computed. [2021-12-06 22:26:09,910 INFO L854 garLoopResultBuilder]: At program point L10130(line 10130) the Hoare annotation is: false [2021-12-06 22:26:09,910 INFO L861 garLoopResultBuilder]: At program point L10134(line 10134) the Hoare annotation is: true [2021-12-06 22:26:09,911 INFO L854 garLoopResultBuilder]: At program point L10122(line 10122) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,911 INFO L854 garLoopResultBuilder]: At program point L10130-1(line 10130) the Hoare annotation is: false [2021-12-06 22:26:09,911 INFO L858 garLoopResultBuilder]: For program point L10130-2(line 10130) no Hoare annotation was computed. [2021-12-06 22:26:09,911 INFO L854 garLoopResultBuilder]: At program point L10118-1(line 10118) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,911 INFO L858 garLoopResultBuilder]: For program point L10118-2(line 10118) no Hoare annotation was computed. [2021-12-06 22:26:09,911 INFO L858 garLoopResultBuilder]: For program point L10114(lines 10114 10133) no Hoare annotation was computed. [2021-12-06 22:26:09,911 INFO L858 garLoopResultBuilder]: For program point L10122-1(line 10122) no Hoare annotation was computed. [2021-12-06 22:26:09,911 INFO L854 garLoopResultBuilder]: At program point L10118(line 10118) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset|) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|) (< 0 |#StackHeapBarrier|)) [2021-12-06 22:26:09,911 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-06 22:26:09,911 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-06 22:26:09,912 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-06 22:26:09,912 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-06 22:26:09,912 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-06 22:26:09,912 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-06 22:26:09,915 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:09,916 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:26:09,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:26:09 BoogieIcfgContainer [2021-12-06 22:26:09,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:26:09,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:26:09,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:26:09,930 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:26:09,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:50" (3/4) ... [2021-12-06 22:26:09,933 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:26:09,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-06 22:26:09,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2021-12-06 22:26:09,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2021-12-06 22:26:09,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_remove_entry [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_is_valid [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:26:09,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_delete [2021-12-06 22:26:09,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-06 22:26:09,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2021-12-06 22:26:09,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 159 nodes and edges [2021-12-06 22:26:09,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2021-12-06 22:26:09,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2021-12-06 22:26:09,964 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-06 22:26:09,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-06 22:26:09,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-06 22:26:09,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:26:09,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:26:10,664 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:26:10,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:26:10,664 INFO L158 Benchmark]: Toolchain (without parser) took 24132.42ms. Allocated memory was 86.0MB in the beginning and 249.6MB in the end (delta: 163.6MB). Free memory was 60.2MB in the beginning and 87.2MB in the end (delta: -27.0MB). Peak memory consumption was 192.0MB. Max. memory is 16.1GB. [2021-12-06 22:26:10,665 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 86.0MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:26:10,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2261.01ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 59.9MB in the beginning and 49.3MB in the end (delta: 10.5MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2021-12-06 22:26:10,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.58ms. Allocated memory is still 132.1MB. Free memory was 48.7MB in the beginning and 71.4MB in the end (delta: -22.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-12-06 22:26:10,665 INFO L158 Benchmark]: Boogie Preprocessor took 66.04ms. Allocated memory is still 132.1MB. Free memory was 71.4MB in the beginning and 63.7MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 22:26:10,665 INFO L158 Benchmark]: RCFGBuilder took 1191.58ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 83.2MB in the end (delta: -19.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-12-06 22:26:10,666 INFO L158 Benchmark]: TraceAbstraction took 19744.14ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 83.2MB in the beginning and 131.7MB in the end (delta: -48.5MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-12-06 22:26:10,666 INFO L158 Benchmark]: Witness Printer took 733.93ms. Allocated memory is still 249.6MB. Free memory was 131.7MB in the beginning and 87.2MB in the end (delta: 44.5MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2021-12-06 22:26:10,667 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 86.0MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2261.01ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 59.9MB in the beginning and 49.3MB in the end (delta: 10.5MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.58ms. Allocated memory is still 132.1MB. Free memory was 48.7MB in the beginning and 71.4MB in the end (delta: -22.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.04ms. Allocated memory is still 132.1MB. Free memory was 71.4MB in the beginning and 63.7MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1191.58ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 83.2MB in the end (delta: -19.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * TraceAbstraction took 19744.14ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 83.2MB in the beginning and 131.7MB in the end (delta: -48.5MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Witness Printer took 733.93ms. Allocated memory is still 249.6MB. Free memory was 131.7MB in the beginning and 87.2MB in the end (delta: 44.5MB). Peak memory consumption was 100.2MB. 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 20 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 7, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 870 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 818 mSDsluCounter, 6139 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 398 IncrementalHoareTripleChecker+Unchecked, 4559 mSDsCounter, 456 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2781 IncrementalHoareTripleChecker+Invalid, 3635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 456 mSolverCounterUnsat, 1580 mSDtfsCounter, 2781 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1695 GetRequests, 1618 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=6, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 29 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 82 LocationsWithAnnotation, 605 PreInvPairs, 631 NumberOfFragments, 756 HoareAnnotationTreeSize, 605 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 82 FomulaSimplificationsInter, 1142 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 2339 NumberOfCodeBlocks, 2339 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2357 ConstructedInterpolants, 5 QuantifiedInterpolants, 3531 SizeOfPredicates, 15 NumberOfNonLiveVariables, 12922 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 7655/7737 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: 6831]: Loop Invariant Derived loop invariant: ((!(map == 0) && map == map) && map == map) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: ((!(map == 0) && map == map) && map == map) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 10134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9617]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:26:10,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866de4ef-129a-4ede-9dbb-175a3c0744d9/bin/uautomizer-DrprNOufMa/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