./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2c8100e1f648cee1922c84a2421989bafb670d4445ddc160c17e3cd878eaa49 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:20:38,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:20:38,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:20:38,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:20:38,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:20:38,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:20:38,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:20:38,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:20:38,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:20:38,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:20:38,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:20:38,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:20:38,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:20:38,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:20:38,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:20:38,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:20:38,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:20:38,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:20:38,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:20:38,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:20:38,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:20:38,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:20:38,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:20:38,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:20:38,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:20:38,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:20:38,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:20:38,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:20:38,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:20:38,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:20:38,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:20:38,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:20:38,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:20:38,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:20:38,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:20:38,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:20:38,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:20:38,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:20:38,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:20:38,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:20:38,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:20:38,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:20:38,526 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:20:38,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:20:38,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:20:38,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:20:38,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:20:38,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:20:38,528 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:20:38,529 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:20:38,529 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:20:38,529 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:20:38,529 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:20:38,529 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:20:38,530 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:20:38,530 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:20:38,530 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:20:38,530 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:20:38,530 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:20:38,531 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:20:38,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:20:38,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:20:38,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:20:38,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:20:38,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:20:38,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:20:38,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:20:38,540 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:20:38,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:20:38,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:20:38,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:20:38,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:20:38,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:20:38,542 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:20:38,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:20:38,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:20:38,543 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:20:38,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:20:38,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:20:38,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:20:38,546 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_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c8100e1f648cee1922c84a2421989bafb670d4445ddc160c17e3cd878eaa49 [2022-11-26 00:20:38,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:20:38,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:20:38,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:20:38,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:20:38,894 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:20:38,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2022-11-26 00:20:42,008 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:20:42,537 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:20:42,538 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2022-11-26 00:20:42,618 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/data/e5f4eed94/3557da7da8214876a393268f02de3a18/FLAG2630c9336 [2022-11-26 00:20:42,661 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/data/e5f4eed94/3557da7da8214876a393268f02de3a18 [2022-11-26 00:20:42,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:20:42,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:20:42,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:20:42,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:20:42,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:20:42,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:20:42" (1/1) ... [2022-11-26 00:20:42,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554c3648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:42, skipping insertion in model container [2022-11-26 00:20:42,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:20:42" (1/1) ... [2022-11-26 00:20:42,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:20:42,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:20:43,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2022-11-26 00:20:43,080 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2022-11-26 00:20:44,169 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:44,207 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:44,228 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,231 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,235 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,236 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,238 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,246 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:44,262 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,266 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,268 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,270 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:44,382 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:20:44,385 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:20:44,387 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:20:44,391 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:20:44,394 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:20:44,394 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:20:44,561 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:44,746 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:20:44,751 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:20:44,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:20:44,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:20:44,762 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:20:44,769 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:20:44,770 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:20:44,772 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:20:44,776 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:20:44,777 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:20:44,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:20:44,959 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:20:44,975 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:44,977 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:44,989 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:44,994 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:44,998 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,001 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:20:45,033 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:20:45,091 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:20:45,100 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,111 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,127 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,171 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,212 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:20:45,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:20:45,286 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:20:45,313 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2022-11-26 00:20:45,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2022-11-26 00:20:45,347 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,359 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,363 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,363 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,366 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,367 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,368 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,370 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,375 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,376 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,377 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,378 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,397 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:20:45,398 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:20:45,398 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:20:45,404 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:20:45,407 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:20:45,408 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:20:45,412 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,451 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:20:45,452 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:20:45,453 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:20:45,455 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:20:45,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:20:45,457 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:20:45,458 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:20:45,459 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:20:45,460 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:20:45,460 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:20:45,461 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:20:45,500 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:20:45,520 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,528 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,579 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,581 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,582 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,583 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:20:45,595 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:20:45,629 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:20:45,635 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,636 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:20:45,646 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,651 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-26 00:20:45,672 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:20:45,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:20:45,975 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:20:45,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45 WrapperNode [2022-11-26 00:20:45,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:20:45,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:20:45,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:20:45,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:20:45,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,177 INFO L138 Inliner]: procedures = 691, calls = 2501, calls flagged for inlining = 53, calls inlined = 4, statements flattened = 752 [2022-11-26 00:20:46,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:20:46,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:20:46,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:20:46,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:20:46,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,273 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:20:46,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:20:46,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:20:46,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:20:46,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (1/1) ... [2022-11-26 00:20:46,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:20:46,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:46,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:20:46,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:20:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_clean_up [2022-11-26 00:20:46,370 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_clean_up [2022-11-26 00:20:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-26 00:20:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-26 00:20:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:20:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:20:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:20:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:20:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:20:46,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:20:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:20:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:20:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:20:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:20:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:20:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:20:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:20:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-26 00:20:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-26 00:20:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:20:46,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:20:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:20:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:20:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:20:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 00:20:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 00:20:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:20:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:20:46,700 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:20:46,716 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:20:48,004 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:20:48,333 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:20:48,333 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:20:48,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:20:48 BoogieIcfgContainer [2022-11-26 00:20:48,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:20:48,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:20:48,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:20:48,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:20:48,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:20:42" (1/3) ... [2022-11-26 00:20:48,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5356c275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:20:48, skipping insertion in model container [2022-11-26 00:20:48,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:45" (2/3) ... [2022-11-26 00:20:48,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5356c275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:20:48, skipping insertion in model container [2022-11-26 00:20:48,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:20:48" (3/3) ... [2022-11-26 00:20:48,350 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness.i [2022-11-26 00:20:48,377 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:20:48,377 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:20:48,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:20:48,462 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59973dc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:20:48,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:20:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:20:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-26 00:20:48,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:48,480 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:48,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:20:48,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:48,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1295164685, now seen corresponding path program 1 times [2022-11-26 00:20:48,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:48,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005347119] [2022-11-26 00:20:48,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:48,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:20:57,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:57,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005347119] [2022-11-26 00:20:57,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005347119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:57,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:57,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:57,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599174655] [2022-11-26 00:20:57,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:57,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:20:57,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:57,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:20:57,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:20:57,095 INFO L87 Difference]: Start difference. First operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 12 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 6 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-26 00:20:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:59,199 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2022-11-26 00:20:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:20:59,202 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 6 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 38 [2022-11-26 00:20:59,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:59,210 INFO L225 Difference]: With dead ends: 89 [2022-11-26 00:20:59,211 INFO L226 Difference]: Without dead ends: 72 [2022-11-26 00:20:59,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:20:59,224 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 51 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:59,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 109 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:20:59,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-26 00:20:59,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2022-11-26 00:20:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 37 states have internal predecessors, (38), 21 states have call successors, (21), 9 states have call predecessors, (21), 9 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-26 00:20:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2022-11-26 00:20:59,285 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 38 [2022-11-26 00:20:59,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:59,286 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2022-11-26 00:20:59,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 6 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-26 00:20:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2022-11-26 00:20:59,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-26 00:20:59,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:59,291 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:59,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:20:59,291 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:20:59,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:59,292 INFO L85 PathProgramCache]: Analyzing trace with hash -596338638, now seen corresponding path program 1 times [2022-11-26 00:20:59,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:59,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422774221] [2022-11-26 00:20:59,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:59,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:21:02,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:02,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422774221] [2022-11-26 00:21:02,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422774221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:02,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:02,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-26 00:21:02,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780466633] [2022-11-26 00:21:02,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:02,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-26 00:21:02,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:02,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-26 00:21:02,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:21:02,604 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 12 states have internal predecessors, (20), 6 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 7 states have call predecessors, (9), 5 states have call successors, (9) [2022-11-26 00:21:04,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:04,912 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2022-11-26 00:21:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:21:04,913 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 12 states have internal predecessors, (20), 6 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 7 states have call predecessors, (9), 5 states have call successors, (9) Word has length 42 [2022-11-26 00:21:04,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:04,916 INFO L225 Difference]: With dead ends: 82 [2022-11-26 00:21:04,916 INFO L226 Difference]: Without dead ends: 68 [2022-11-26 00:21:04,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:21:04,917 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 36 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:04,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 165 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:21:04,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-26 00:21:04,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-26 00:21:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 39 states have internal predecessors, (39), 21 states have call successors, (21), 9 states have call predecessors, (21), 10 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2022-11-26 00:21:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2022-11-26 00:21:04,940 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 42 [2022-11-26 00:21:04,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:04,941 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2022-11-26 00:21:04,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 12 states have internal predecessors, (20), 6 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 7 states have call predecessors, (9), 5 states have call successors, (9) [2022-11-26 00:21:04,941 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2022-11-26 00:21:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 00:21:04,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:04,946 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:04,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:21:04,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:21:04,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:04,956 INFO L85 PathProgramCache]: Analyzing trace with hash -140008780, now seen corresponding path program 1 times [2022-11-26 00:21:04,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:04,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179289016] [2022-11-26 00:21:04,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:04,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:21:07,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:07,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179289016] [2022-11-26 00:21:07,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179289016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:07,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:07,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:21:07,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233927608] [2022-11-26 00:21:07,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:07,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:21:07,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:07,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:21:07,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:21:07,599 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 9 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-26 00:21:09,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:09,128 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2022-11-26 00:21:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:21:09,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 44 [2022-11-26 00:21:09,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:09,130 INFO L225 Difference]: With dead ends: 74 [2022-11-26 00:21:09,130 INFO L226 Difference]: Without dead ends: 72 [2022-11-26 00:21:09,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:21:09,131 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 16 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:09,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 264 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:21:09,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-26 00:21:09,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-26 00:21:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 42 states have internal predecessors, (42), 21 states have call successors, (21), 10 states have call predecessors, (21), 11 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2022-11-26 00:21:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-11-26 00:21:09,148 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 44 [2022-11-26 00:21:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:09,148 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-11-26 00:21:09,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-26 00:21:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-11-26 00:21:09,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-26 00:21:09,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:09,153 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:09,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:21:09,153 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:21:09,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:09,154 INFO L85 PathProgramCache]: Analyzing trace with hash 520887026, now seen corresponding path program 1 times [2022-11-26 00:21:09,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:09,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056677201] [2022-11-26 00:21:09,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:09,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-26 00:21:11,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:11,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056677201] [2022-11-26 00:21:11,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056677201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:11,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:11,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:21:11,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887452619] [2022-11-26 00:21:11,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:11,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:21:11,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:11,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:21:11,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:21:11,691 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-26 00:21:13,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:13,130 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-11-26 00:21:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:21:13,131 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 54 [2022-11-26 00:21:13,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:13,132 INFO L225 Difference]: With dead ends: 78 [2022-11-26 00:21:13,132 INFO L226 Difference]: Without dead ends: 76 [2022-11-26 00:21:13,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:21:13,133 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 16 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:13,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 249 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:21:13,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-26 00:21:13,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2022-11-26 00:21:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 41 states have internal predecessors, (41), 20 states have call successors, (20), 10 states have call predecessors, (20), 11 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2022-11-26 00:21:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2022-11-26 00:21:13,146 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 54 [2022-11-26 00:21:13,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:13,147 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2022-11-26 00:21:13,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-26 00:21:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-11-26 00:21:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-26 00:21:13,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:13,148 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:13,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:21:13,149 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:21:13,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:13,149 INFO L85 PathProgramCache]: Analyzing trace with hash 157437977, now seen corresponding path program 1 times [2022-11-26 00:21:13,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:13,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308011476] [2022-11-26 00:21:13,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:13,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-26 00:21:14,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:14,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308011476] [2022-11-26 00:21:14,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308011476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:14,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:14,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:21:14,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919894013] [2022-11-26 00:21:14,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:14,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:21:14,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:14,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:21:14,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:21:14,442 INFO L87 Difference]: Start difference. First operand 70 states and 81 transitions. Second operand has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-26 00:21:15,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:15,319 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2022-11-26 00:21:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:21:15,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 50 [2022-11-26 00:21:15,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:15,322 INFO L225 Difference]: With dead ends: 76 [2022-11-26 00:21:15,322 INFO L226 Difference]: Without dead ends: 72 [2022-11-26 00:21:15,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:21:15,323 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 10 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:15,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 275 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:21:15,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-26 00:21:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-26 00:21:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 40 states have (on average 1.05) internal successors, (42), 42 states have internal predecessors, (42), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2022-11-26 00:21:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2022-11-26 00:21:15,335 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 50 [2022-11-26 00:21:15,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:15,336 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2022-11-26 00:21:15,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-26 00:21:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2022-11-26 00:21:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-26 00:21:15,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:15,338 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:15,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:21:15,338 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:21:15,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:15,339 INFO L85 PathProgramCache]: Analyzing trace with hash -536648004, now seen corresponding path program 1 times [2022-11-26 00:21:15,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:15,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057870996] [2022-11-26 00:21:15,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:15,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:21:17,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:17,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057870996] [2022-11-26 00:21:17,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057870996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:17,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:17,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:21:17,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142419938] [2022-11-26 00:21:17,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:17,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:21:17,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:17,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:21:17,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:21:17,930 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand has 10 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-26 00:21:18,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:18,827 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2022-11-26 00:21:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:21:18,828 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 56 [2022-11-26 00:21:18,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:18,829 INFO L225 Difference]: With dead ends: 72 [2022-11-26 00:21:18,829 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:21:18,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:21:18,830 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 13 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:18,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 298 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:21:18,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:21:18,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:21:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:21:18,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2022-11-26 00:21:18,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:18,832 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:21:18,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-26 00:21:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:21:18,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:21:18,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:21:18,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:21:18,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:21:19,307 INFO L902 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6876 6881) the Hoare annotation is: true [2022-11-26 00:21:19,307 INFO L899 garLoopResultBuilder]: For program point L6877-1(lines 6877 6879) no Hoare annotation was computed. [2022-11-26 00:21:19,307 INFO L902 garLoopResultBuilder]: At program point L6877(lines 6877 6879) the Hoare annotation is: true [2022-11-26 00:21:19,307 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6876 6881) no Hoare annotation was computed. [2022-11-26 00:21:19,308 INFO L902 garLoopResultBuilder]: At program point aws_byte_buf_is_validENTRY(lines 7179 7185) the Hoare annotation is: true [2022-11-26 00:21:19,308 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7179 7185) no Hoare annotation was computed. [2022-11-26 00:21:19,308 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-26 00:21:19,308 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-26 00:21:19,308 INFO L899 garLoopResultBuilder]: For program point L7056-1(lines 7056 7058) no Hoare annotation was computed. [2022-11-26 00:21:19,308 INFO L902 garLoopResultBuilder]: At program point L7056(lines 7056 7058) the Hoare annotation is: true [2022-11-26 00:21:19,308 INFO L899 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7055 7068) no Hoare annotation was computed. [2022-11-26 00:21:19,308 INFO L902 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7055 7068) the Hoare annotation is: true [2022-11-26 00:21:19,309 INFO L899 garLoopResultBuilder]: For program point L7059-1(lines 7059 7061) no Hoare annotation was computed. [2022-11-26 00:21:19,309 INFO L902 garLoopResultBuilder]: At program point L7059(lines 7059 7061) the Hoare annotation is: true [2022-11-26 00:21:19,309 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-26 00:21:19,309 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-26 00:21:19,309 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6883 6885) no Hoare annotation was computed. [2022-11-26 00:21:19,309 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6883 6885) the Hoare annotation is: true [2022-11-26 00:21:19,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:21:19,310 INFO L899 garLoopResultBuilder]: For program point L8770-1(lines 8770 8772) no Hoare annotation was computed. [2022-11-26 00:21:19,310 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-11-26 00:21:19,310 INFO L895 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: (let ((.cse3 (+ |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 24))) (let ((.cse1 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) .cse3)) (.cse2 (= 194 |~#s_can_fail_allocator_static~0.base|)) (.cse4 (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0)) (.cse5 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0))) (or (and (= .cse0 0) .cse1 .cse2 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) .cse3) 0) .cse4 .cse5) (and .cse1 (= 194 .cse0) .cse2 .cse4 .cse5)))) [2022-11-26 00:21:19,311 INFO L895 garLoopResultBuilder]: At program point L8773(lines 8773 8775) the Hoare annotation is: (let ((.cse1 (+ 8 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) (.cse3 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 24))) (and (= 0 (select .cse0 .cse1)) (= (select .cse2 .cse1) 0) (= (select .cse3 (+ 16 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1143#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (= (select .cse3 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse2 .cse4) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1143#1.base| 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0) (= (select .cse0 .cse4) 0))) [2022-11-26 00:21:19,311 INFO L899 garLoopResultBuilder]: For program point L8773-1(lines 8773 8775) no Hoare annotation was computed. [2022-11-26 00:21:19,311 INFO L895 garLoopResultBuilder]: At program point L8777(line 8777) the Hoare annotation is: (let ((.cse1 (+ 8 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) (.cse3 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 24))) (and (= 0 (select .cse0 .cse1)) (= (select .cse2 .cse1) 0) (= (select .cse3 (+ 16 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= 194 |~#s_can_fail_allocator_static~0.base|) (= (select .cse3 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1145#1| 0) (= (select .cse2 .cse4) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0) (= (select .cse0 .cse4) 0))) [2022-11-26 00:21:19,312 INFO L895 garLoopResultBuilder]: At program point L8777-1(line 8777) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0)) [2022-11-26 00:21:19,312 INFO L899 garLoopResultBuilder]: For program point L8767-2(line 8767) no Hoare annotation was computed. [2022-11-26 00:21:19,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:21:19,312 INFO L895 garLoopResultBuilder]: At program point L8769(line 8769) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (= 194 |~#s_can_fail_allocator_static~0.base|)) (.cse3 (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0)) (.cse4 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0))) (or (let ((.cse0 (+ |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 24))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) .cse0) 0) .cse1 .cse2 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) .cse0) 0) .cse3 .cse4)) (let ((.cse5 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and .cse1 .cse2 .cse3 (= (select .cse5 24) 194) .cse4 (not (= (select .cse5 8) 0)))))) [2022-11-26 00:21:19,313 INFO L899 garLoopResultBuilder]: For program point L8769-1(line 8769) no Hoare annotation was computed. [2022-11-26 00:21:19,313 INFO L895 garLoopResultBuilder]: At program point L8767(line 8767) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (= 194 |~#s_can_fail_allocator_static~0.base|)) (.cse3 (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0)) (.cse4 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0))) (or (let ((.cse0 (+ |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 24))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) .cse0) 0) .cse1 .cse2 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) .cse0) 0) .cse3 .cse4)) (let ((.cse5 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and .cse1 .cse2 .cse3 (= (select .cse5 24) 194) .cse4 (not (= (select .cse5 8) 0)))))) [2022-11-26 00:21:19,313 INFO L895 garLoopResultBuilder]: At program point L8767-1(line 8767) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (= 194 |~#s_can_fail_allocator_static~0.base|)) (.cse3 (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0)) (.cse4 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0))) (or (let ((.cse0 (+ |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 24))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) .cse0) 0) .cse1 .cse2 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) .cse0) 0) .cse3 .cse4)) (let ((.cse5 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and .cse1 .cse2 .cse3 (= (select .cse5 24) 194) .cse4 (not (= (select .cse5 8) 0)))))) [2022-11-26 00:21:19,314 INFO L895 garLoopResultBuilder]: At program point L6610(line 6610) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= 194 |~#s_can_fail_allocator_static~0.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0)) [2022-11-26 00:21:19,314 INFO L899 garLoopResultBuilder]: For program point L6612-1(line 6612) no Hoare annotation was computed. [2022-11-26 00:21:19,314 INFO L895 garLoopResultBuilder]: At program point L6612(line 6612) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= 194 |~#s_can_fail_allocator_static~0.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0)) [2022-11-26 00:21:19,314 INFO L899 garLoopResultBuilder]: For program point L6610-3(lines 6610 6612) no Hoare annotation was computed. [2022-11-26 00:21:19,314 INFO L899 garLoopResultBuilder]: For program point L6610-1(lines 6610 6612) no Hoare annotation was computed. [2022-11-26 00:21:19,315 INFO L895 garLoopResultBuilder]: At program point L8770(lines 8770 8772) the Hoare annotation is: (let ((.cse1 (+ 8 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) (.cse3 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 24))) (and (= 0 (select .cse0 .cse1)) (= (select .cse2 .cse1) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1142#1.base| 0) (= (select .cse3 (+ 16 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1142#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (= (select .cse3 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse2 .cse4) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0) (= (select .cse0 .cse4) 0))) [2022-11-26 00:21:19,315 INFO L895 garLoopResultBuilder]: At program point L8776(line 8776) the Hoare annotation is: (let ((.cse1 (+ 8 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) (.cse3 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 24))) (and (= 0 (select .cse0 .cse1)) (= (select .cse2 .cse1) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1144#1| 0) (= (select .cse3 (+ 16 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= 194 |~#s_can_fail_allocator_static~0.base|) (= (select .cse3 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse2 .cse4) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0) (= (select .cse0 .cse4) 0))) [2022-11-26 00:21:19,315 INFO L899 garLoopResultBuilder]: For program point L8776-1(line 8776) no Hoare annotation was computed. [2022-11-26 00:21:19,315 INFO L895 garLoopResultBuilder]: At program point aws_byte_buf_clean_upENTRY(lines 7203 7216) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-11-26 00:21:19,315 INFO L899 garLoopResultBuilder]: For program point L7205-4(lines 7205 7207) no Hoare annotation was computed. [2022-11-26 00:21:19,316 INFO L895 garLoopResultBuilder]: At program point L7206(line 7206) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |aws_byte_buf_clean_up_#in~buf.offset| aws_byte_buf_clean_up_~buf.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_byte_buf_clean_up_#in~buf.base| aws_byte_buf_clean_up_~buf.base)) [2022-11-26 00:21:19,316 INFO L899 garLoopResultBuilder]: For program point L7204-2(line 7204) no Hoare annotation was computed. [2022-11-26 00:21:19,316 INFO L895 garLoopResultBuilder]: At program point L7204-1(line 7204) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |aws_byte_buf_clean_up_#in~buf.offset| aws_byte_buf_clean_up_~buf.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_byte_buf_clean_up_#in~buf.base| aws_byte_buf_clean_up_~buf.base)) [2022-11-26 00:21:19,316 INFO L899 garLoopResultBuilder]: For program point L7205-2(lines 7205 7207) no Hoare annotation was computed. [2022-11-26 00:21:19,316 INFO L895 garLoopResultBuilder]: At program point L7204(line 7204) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |aws_byte_buf_clean_up_#in~buf.offset| aws_byte_buf_clean_up_~buf.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_byte_buf_clean_up_#in~buf.base| aws_byte_buf_clean_up_~buf.base)) [2022-11-26 00:21:19,317 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_clean_upEXIT(lines 7203 7216) no Hoare annotation was computed. [2022-11-26 00:21:19,317 INFO L899 garLoopResultBuilder]: For program point L7206-1(line 7206) no Hoare annotation was computed. [2022-11-26 00:21:19,317 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-26 00:21:19,317 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-26 00:21:19,317 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-26 00:21:19,317 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-26 00:21:19,318 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-26 00:21:19,318 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-26 00:21:19,321 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-26 00:21:19,323 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:21:19,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:21:19 BoogieIcfgContainer [2022-11-26 00:21:19,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:21:19,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:21:19,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:21:19,336 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:21:19,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:20:48" (3/4) ... [2022-11-26 00:21:19,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:21:19,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-26 00:21:19,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2022-11-26 00:21:19,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-26 00:21:19,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-11-26 00:21:19,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-26 00:21:19,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_clean_up [2022-11-26 00:21:19,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-26 00:21:19,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-26 00:21:19,357 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2022-11-26 00:21:19,359 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2022-11-26 00:21:19,360 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-26 00:21:19,361 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-26 00:21:19,362 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-26 00:21:19,363 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:21:19,364 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:21:19,365 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:21:19,914 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:21:19,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:21:19,915 INFO L158 Benchmark]: Toolchain (without parser) took 37250.53ms. Allocated memory was 163.6MB in the beginning and 633.3MB in the end (delta: 469.8MB). Free memory was 133.4MB in the beginning and 349.5MB in the end (delta: -216.2MB). Peak memory consumption was 253.5MB. Max. memory is 16.1GB. [2022-11-26 00:21:19,916 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:21:19,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3310.12ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 133.4MB in the beginning and 123.7MB in the end (delta: 9.7MB). Peak memory consumption was 121.9MB. Max. memory is 16.1GB. [2022-11-26 00:21:19,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.97ms. Allocated memory is still 203.4MB. Free memory was 123.7MB in the beginning and 112.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:21:19,917 INFO L158 Benchmark]: Boogie Preprocessor took 107.24ms. Allocated memory is still 203.4MB. Free memory was 112.2MB in the beginning and 105.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-26 00:21:19,917 INFO L158 Benchmark]: RCFGBuilder took 2050.27ms. Allocated memory is still 203.4MB. Free memory was 105.9MB in the beginning and 122.0MB in the end (delta: -16.1MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-26 00:21:19,918 INFO L158 Benchmark]: TraceAbstraction took 30995.24ms. Allocated memory was 203.4MB in the beginning and 633.3MB in the end (delta: 429.9MB). Free memory was 122.0MB in the beginning and 479.5MB in the end (delta: -357.5MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2022-11-26 00:21:19,918 INFO L158 Benchmark]: Witness Printer took 578.98ms. Allocated memory is still 633.3MB. Free memory was 479.5MB in the beginning and 349.5MB in the end (delta: 130.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2022-11-26 00:21:19,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3310.12ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 133.4MB in the beginning and 123.7MB in the end (delta: 9.7MB). Peak memory consumption was 121.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 200.97ms. Allocated memory is still 203.4MB. Free memory was 123.7MB in the beginning and 112.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.24ms. Allocated memory is still 203.4MB. Free memory was 112.2MB in the beginning and 105.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2050.27ms. Allocated memory is still 203.4MB. Free memory was 105.9MB in the beginning and 122.0MB in the end (delta: -16.1MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 30995.24ms. Allocated memory was 203.4MB in the beginning and 633.3MB in the end (delta: 429.9MB). Free memory was 122.0MB in the beginning and 479.5MB in the end (delta: -357.5MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. * Witness Printer took 578.98ms. Allocated memory is still 633.3MB. Free memory was 479.5MB in the beginning and 349.5MB in the end (delta: 130.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.9s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 1360 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1122 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1865 IncrementalHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 238 mSDtfsCounter, 1865 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=3, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 48 PreInvPairs, 58 NumberOfFragments, 604 HoareAnnotationTreeSize, 48 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 242 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 5438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 90/90 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: 8777]: Loop Invariant Derived loop invariant: (buf == buf && buf == 0) && buf == 0 RESULT: Ultimate proved your program to be correct! [2022-11-26 00:21:19,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e80f23-c886-4d32-93c8-44fce622c0b2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE