./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/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_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 16:06:09,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:06:09,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:06:09,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:06:09,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:06:09,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:06:09,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:06:09,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:06:09,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:06:09,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:06:09,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:06:09,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:06:09,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:06:09,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:06:09,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:06:09,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:06:09,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:06:09,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:06:09,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:06:09,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:06:09,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:06:09,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:06:09,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:06:09,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:06:09,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:06:09,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:06:09,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:06:09,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:06:09,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:06:09,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:06:09,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:06:09,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:06:09,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:06:09,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:06:09,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:06:09,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:06:09,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:06:09,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:06:09,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:06:09,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:06:09,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:06:09,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 16:06:09,101 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:06:09,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:06:09,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:06:09,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:06:09,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:06:09,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:06:09,102 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:06:09,102 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:06:09,102 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:06:09,102 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:06:09,102 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:06:09,102 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:06:09,102 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:06:09,102 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:06:09,103 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:06:09,103 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:06:09,103 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:06:09,103 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:06:09,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:06:09,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:06:09,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:06:09,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:06:09,105 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:06:09,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:06:09,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:06:09,105 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:06:09,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:06:09,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:06:09,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:06:09,105 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_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c8100e1f648cee1922c84a2421989bafb670d4445ddc160c17e3cd878eaa49 [2022-12-14 16:06:09,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:06:09,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:06:09,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:06:09,290 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:06:09,291 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:06:09,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2022-12-14 16:06:11,961 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:06:12,314 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:06:12,315 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2022-12-14 16:06:12,337 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/data/4cbab25d7/8b7b7fe517ec4ed9ad8b37686840d93c/FLAG4f6ec2421 [2022-12-14 16:06:12,349 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/data/4cbab25d7/8b7b7fe517ec4ed9ad8b37686840d93c [2022-12-14 16:06:12,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:06:12,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:06:12,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:06:12,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:06:12,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:06:12,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:06:12" (1/1) ... [2022-12-14 16:06:12,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173de9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:12, skipping insertion in model container [2022-12-14 16:06:12,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:06:12" (1/1) ... [2022-12-14 16:06:12,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:06:12,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:06:12,643 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_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2022-12-14 16:06:12,650 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_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2022-12-14 16:06:13,335 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,351 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,359 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,359 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,360 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,361 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,372 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,375 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,380 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,381 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,382 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,383 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,454 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:06:13,454 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:06:13,455 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:06:13,461 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 16:06:13,463 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 16:06:13,464 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 16:06:13,570 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,684 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 16:06:13,685 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 16:06:13,686 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 16:06:13,687 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 16:06:13,689 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 16:06:13,690 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 16:06:13,691 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 16:06:13,691 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 16:06:13,692 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 16:06:13,693 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 16:06:13,693 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 16:06:13,819 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 16:06:13,836 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,838 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,848 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,851 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,852 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,854 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 16:06:13,866 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 16:06:13,895 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 16:06:13,902 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,902 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:13,915 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,937 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:13,956 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 16:06:13,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:06:14,001 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:06:14,012 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_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2022-12-14 16:06:14,012 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_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2022-12-14 16:06:14,040 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,045 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,048 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,048 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,048 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,049 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,049 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,052 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,056 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,056 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,057 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,058 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,065 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:06:14,065 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:06:14,066 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:06:14,069 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 16:06:14,070 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 16:06:14,070 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 16:06:14,073 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,090 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 16:06:14,091 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 16:06:14,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 16:06:14,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 16:06:14,094 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 16:06:14,095 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 16:06:14,095 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 16:06:14,096 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 16:06:14,096 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 16:06:14,097 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 16:06:14,097 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 16:06:14,117 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 16:06:14,125 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,126 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,132 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,133 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,134 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,135 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 16:06:14,141 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 16:06:14,168 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 16:06:14,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:06:14,179 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,183 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:06:14,196 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 16:06:14,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:06:14,339 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:06:14,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14 WrapperNode [2022-12-14 16:06:14,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:06:14,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:06:14,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:06:14,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:06:14,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,465 INFO L138 Inliner]: procedures = 691, calls = 2501, calls flagged for inlining = 53, calls inlined = 4, statements flattened = 752 [2022-12-14 16:06:14,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:06:14,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:06:14,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:06:14,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:06:14,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:06:14,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:06:14,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:06:14,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:06:14,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (1/1) ... [2022-12-14 16:06:14,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:06:14,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:06:14,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:06:14,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:06:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_clean_up [2022-12-14 16:06:14,612 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_clean_up [2022-12-14 16:06:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-12-14 16:06:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-12-14 16:06:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:06:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 16:06:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 16:06:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:06:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 16:06:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 16:06:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:06:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:06:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:06:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:06:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:06:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 16:06:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 16:06:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 16:06:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 16:06:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 16:06:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 16:06:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:06:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:06:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 16:06:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 16:06:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 16:06:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:06:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:06:14,819 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:06:14,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:06:15,570 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:06:15,697 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:06:15,697 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 16:06:15,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:06:15 BoogieIcfgContainer [2022-12-14 16:06:15,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:06:15,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:06:15,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:06:15,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:06:15,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:06:12" (1/3) ... [2022-12-14 16:06:15,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afdc325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:06:15, skipping insertion in model container [2022-12-14 16:06:15,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:06:14" (2/3) ... [2022-12-14 16:06:15,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afdc325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:06:15, skipping insertion in model container [2022-12-14 16:06:15,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:06:15" (3/3) ... [2022-12-14 16:06:15,706 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness.i [2022-12-14 16:06:15,720 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:06:15,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 16:06:15,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:06:15,764 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;@2c143c1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:06:15,764 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 16:06:15,767 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) [2022-12-14 16:06:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 16:06:15,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:15,774 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] [2022-12-14 16:06:15,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:06:15,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:15,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1295164685, now seen corresponding path program 1 times [2022-12-14 16:06:15,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:15,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367519958] [2022-12-14 16:06:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 16:06:20,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:20,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367519958] [2022-12-14 16:06:20,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367519958] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:20,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:20,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 16:06:20,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275086382] [2022-12-14 16:06:20,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:20,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 16:06:20,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:20,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 16:06:20,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 16:06:20,856 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) [2022-12-14 16:06:22,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:22,350 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2022-12-14 16:06:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 16:06:22,352 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 [2022-12-14 16:06:22,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:22,357 INFO L225 Difference]: With dead ends: 89 [2022-12-14 16:06:22,357 INFO L226 Difference]: Without dead ends: 72 [2022-12-14 16:06:22,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-12-14 16:06:22,361 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 51 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:22,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 109 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 16:06:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-14 16:06:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2022-12-14 16:06:22,392 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) [2022-12-14 16:06:22,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2022-12-14 16:06:22,394 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 38 [2022-12-14 16:06:22,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:22,395 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2022-12-14 16:06:22,395 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) [2022-12-14 16:06:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2022-12-14 16:06:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 16:06:22,397 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:22,397 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] [2022-12-14 16:06:22,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:06:22,397 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:06:22,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:22,398 INFO L85 PathProgramCache]: Analyzing trace with hash -596338638, now seen corresponding path program 1 times [2022-12-14 16:06:22,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:22,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138346783] [2022-12-14 16:06:22,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:22,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 16:06:24,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:24,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138346783] [2022-12-14 16:06:24,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138346783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:24,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:24,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-14 16:06:24,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621628059] [2022-12-14 16:06:24,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:24,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 16:06:24,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:24,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 16:06:24,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-12-14 16:06:24,534 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) [2022-12-14 16:06:26,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:26,161 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2022-12-14 16:06:26,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 16:06:26,162 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 [2022-12-14 16:06:26,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:26,164 INFO L225 Difference]: With dead ends: 82 [2022-12-14 16:06:26,164 INFO L226 Difference]: Without dead ends: 68 [2022-12-14 16:06:26,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2022-12-14 16:06:26,165 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 36 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:26,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 165 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 16:06:26,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-14 16:06:26,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-14 16:06:26,172 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) [2022-12-14 16:06:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2022-12-14 16:06:26,173 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 42 [2022-12-14 16:06:26,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:26,174 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2022-12-14 16:06:26,174 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) [2022-12-14 16:06:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2022-12-14 16:06:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 16:06:26,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:26,175 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] [2022-12-14 16:06:26,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:06:26,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:06:26,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash -140008780, now seen corresponding path program 1 times [2022-12-14 16:06:26,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:26,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823682209] [2022-12-14 16:06:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:26,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 16:06:27,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:27,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823682209] [2022-12-14 16:06:27,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823682209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:27,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:27,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:06:27,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100656997] [2022-12-14 16:06:27,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:27,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 16:06:27,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:27,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 16:06:27,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:06:27,667 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) [2022-12-14 16:06:28,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:28,702 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2022-12-14 16:06:28,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:06:28,702 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 [2022-12-14 16:06:28,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:28,703 INFO L225 Difference]: With dead ends: 74 [2022-12-14 16:06:28,703 INFO L226 Difference]: Without dead ends: 72 [2022-12-14 16:06:28,703 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 [2022-12-14 16:06:28,704 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 16 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:28,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 264 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 16:06:28,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-14 16:06:28,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-14 16:06:28,711 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) [2022-12-14 16:06:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-12-14 16:06:28,712 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 44 [2022-12-14 16:06:28,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:28,712 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-12-14 16:06:28,712 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) [2022-12-14 16:06:28,713 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-12-14 16:06:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 16:06:28,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:28,714 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] [2022-12-14 16:06:28,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:06:28,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:06:28,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash 520887026, now seen corresponding path program 1 times [2022-12-14 16:06:28,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:28,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913983729] [2022-12-14 16:06:28,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:28,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 16:06:30,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:30,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913983729] [2022-12-14 16:06:30,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913983729] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:30,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:30,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:06:30,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266547208] [2022-12-14 16:06:30,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:30,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 16:06:30,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:30,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 16:06:30,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:06:30,084 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) [2022-12-14 16:06:30,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:30,970 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-12-14 16:06:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:06:30,971 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 [2022-12-14 16:06:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:30,972 INFO L225 Difference]: With dead ends: 78 [2022-12-14 16:06:30,973 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 16:06:30,973 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 [2022-12-14 16:06:30,974 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 16 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:30,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 249 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:06:30,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 16:06:30,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2022-12-14 16:06:30,981 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) [2022-12-14 16:06:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2022-12-14 16:06:30,982 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 54 [2022-12-14 16:06:30,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:30,982 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2022-12-14 16:06:30,982 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) [2022-12-14 16:06:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-12-14 16:06:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 16:06:30,983 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:30,983 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] [2022-12-14 16:06:30,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 16:06:30,983 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:06:30,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 157437977, now seen corresponding path program 1 times [2022-12-14 16:06:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:30,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806533995] [2022-12-14 16:06:30,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 16:06:31,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:31,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806533995] [2022-12-14 16:06:31,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806533995] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:31,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:31,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 16:06:31,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600814423] [2022-12-14 16:06:31,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:31,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 16:06:31,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:31,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 16:06:31,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 16:06:31,703 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) [2022-12-14 16:06:32,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:32,226 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2022-12-14 16:06:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 16:06:32,226 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 [2022-12-14 16:06:32,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:32,228 INFO L225 Difference]: With dead ends: 76 [2022-12-14 16:06:32,228 INFO L226 Difference]: Without dead ends: 72 [2022-12-14 16:06:32,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-14 16:06:32,229 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 10 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:32,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 275 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 16:06:32,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-14 16:06:32,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-14 16:06:32,236 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) [2022-12-14 16:06:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2022-12-14 16:06:32,236 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 50 [2022-12-14 16:06:32,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:32,237 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2022-12-14 16:06:32,237 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) [2022-12-14 16:06:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2022-12-14 16:06:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 16:06:32,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:32,239 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] [2022-12-14 16:06:32,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 16:06:32,239 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:06:32,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash -536648004, now seen corresponding path program 1 times [2022-12-14 16:06:32,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:32,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709517148] [2022-12-14 16:06:32,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:06:33,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:33,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709517148] [2022-12-14 16:06:33,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709517148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:33,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:33,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 16:06:33,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069034979] [2022-12-14 16:06:33,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:33,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:06:33,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:33,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:06:33,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:06:33,722 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) [2022-12-14 16:06:34,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:34,354 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2022-12-14 16:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:06:34,355 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 [2022-12-14 16:06:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:34,355 INFO L225 Difference]: With dead ends: 72 [2022-12-14 16:06:34,355 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 16:06:34,356 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 [2022-12-14 16:06:34,356 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 13 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:34,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 298 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 16:06:34,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 16:06:34,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 16:06:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:06:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 16:06:34,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2022-12-14 16:06:34,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:34,357 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 16:06:34,357 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) [2022-12-14 16:06:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 16:06:34,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:06:34,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 16:06:34,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 16:06:34,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 16:06:34,674 INFO L899 garLoopResultBuilder]: For program point L6877-1(lines 6877 6879) no Hoare annotation was computed. [2022-12-14 16:06:34,674 INFO L902 garLoopResultBuilder]: At program point L6877(lines 6877 6879) the Hoare annotation is: true [2022-12-14 16:06:34,675 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6876 6881) the Hoare annotation is: true [2022-12-14 16:06:34,675 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6876 6881) no Hoare annotation was computed. [2022-12-14 16:06:34,675 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7179 7185) the Hoare annotation is: true [2022-12-14 16:06:34,675 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7179 7185) no Hoare annotation was computed. [2022-12-14 16:06:34,675 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-12-14 16:06:34,675 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2022-12-14 16:06:34,675 INFO L899 garLoopResultBuilder]: For program point L7056-1(lines 7056 7058) no Hoare annotation was computed. [2022-12-14 16:06:34,675 INFO L902 garLoopResultBuilder]: At program point L7056(lines 7056 7058) the Hoare annotation is: true [2022-12-14 16:06:34,675 INFO L899 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7055 7068) no Hoare annotation was computed. [2022-12-14 16:06:34,675 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7055 7068) the Hoare annotation is: true [2022-12-14 16:06:34,675 INFO L899 garLoopResultBuilder]: For program point L7059-1(lines 7059 7061) no Hoare annotation was computed. [2022-12-14 16:06:34,676 INFO L902 garLoopResultBuilder]: At program point L7059(lines 7059 7061) the Hoare annotation is: true [2022-12-14 16:06:34,676 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2022-12-14 16:06:34,676 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-12-14 16:06:34,676 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6883 6885) the Hoare annotation is: true [2022-12-14 16:06:34,676 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6883 6885) no Hoare annotation was computed. [2022-12-14 16:06:34,676 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 16:06:34,676 INFO L899 garLoopResultBuilder]: For program point L8770-1(lines 8770 8772) no Hoare annotation was computed. [2022-12-14 16:06:34,676 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-12-14 16:06:34,676 INFO L895 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: (let ((.cse3 (+ |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 24))) (let ((.cse1 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse0 (select (select |#memory_$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)))) [2022-12-14 16:06:34,677 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 16:06:34,677 INFO L895 garLoopResultBuilder]: At program point L8773(lines 8773 8775) the Hoare annotation is: (let ((.cse1 (+ 8 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) (.cse3 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 24))) (and (= 0 (select .cse0 .cse1)) (= (select .cse2 .cse1) 0) (= (select .cse3 (+ 16 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1143#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (= (select .cse3 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse2 .cse4) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1143#1.base| 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0) (= (select .cse0 .cse4) 0))) [2022-12-14 16:06:34,677 INFO L899 garLoopResultBuilder]: For program point L8773-1(lines 8773 8775) no Hoare annotation was computed. [2022-12-14 16:06:34,677 INFO L895 garLoopResultBuilder]: At program point L8777(line 8777) the Hoare annotation is: (let ((.cse1 (+ 8 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) (.cse3 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$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))) [2022-12-14 16:06:34,677 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)) [2022-12-14 16:06:34,677 INFO L899 garLoopResultBuilder]: For program point L8767-2(line 8767) no Hoare annotation was computed. [2022-12-14 16:06:34,678 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$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and .cse1 .cse2 .cse3 (= (select .cse5 24) 194) .cse4 (not (= (select .cse5 8) 0)))))) [2022-12-14 16:06:34,678 INFO L899 garLoopResultBuilder]: For program point L8769-1(line 8769) no Hoare annotation was computed. [2022-12-14 16:06:34,678 INFO L895 garLoopResultBuilder]: At program point L8767(line 8767) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (= 194 |~#s_can_fail_allocator_static~0.base|)) (.cse3 (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0)) (.cse4 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0))) (or (let ((.cse0 (+ |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 24))) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and .cse1 .cse2 .cse3 (= (select .cse5 24) 194) .cse4 (not (= (select .cse5 8) 0)))))) [2022-12-14 16:06:34,678 INFO L895 garLoopResultBuilder]: At program point L8767-1(line 8767) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (= 194 |~#s_can_fail_allocator_static~0.base|)) (.cse3 (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0)) (.cse4 (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0))) (or (let ((.cse0 (+ |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 24))) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and .cse1 .cse2 .cse3 (= (select .cse5 24) 194) .cse4 (not (= (select .cse5 8) 0)))))) [2022-12-14 16:06:34,678 INFO L895 garLoopResultBuilder]: At program point L6610(line 6610) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= 194 |~#s_can_fail_allocator_static~0.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0)) [2022-12-14 16:06:34,679 INFO L899 garLoopResultBuilder]: For program point L6612-1(line 6612) no Hoare annotation was computed. [2022-12-14 16:06:34,679 INFO L895 garLoopResultBuilder]: At program point L6612(line 6612) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= 194 |~#s_can_fail_allocator_static~0.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0)) [2022-12-14 16:06:34,679 INFO L899 garLoopResultBuilder]: For program point L6610-3(lines 6610 6612) no Hoare annotation was computed. [2022-12-14 16:06:34,679 INFO L899 garLoopResultBuilder]: For program point L6610-1(lines 6610 6612) no Hoare annotation was computed. [2022-12-14 16:06:34,679 INFO L895 garLoopResultBuilder]: At program point L8770(lines 8770 8772) the Hoare annotation is: (let ((.cse1 (+ 8 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) (.cse3 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 24))) (and (= 0 (select .cse0 .cse1)) (= (select .cse2 .cse1) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1142#1.base| 0) (= (select .cse3 (+ 16 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1142#1.offset| 0) (= 194 |~#s_can_fail_allocator_static~0.base|) (= (select .cse3 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse2 .cse4) 0) (= |ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0) (= (select .cse0 .cse4) 0))) [2022-12-14 16:06:34,679 INFO L895 garLoopResultBuilder]: At program point L8776(line 8776) the Hoare annotation is: (let ((.cse1 (+ 8 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset|)) (.cse3 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$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))) [2022-12-14 16:06:34,679 INFO L899 garLoopResultBuilder]: For program point L8776-1(line 8776) no Hoare annotation was computed. [2022-12-14 16:06:34,679 INFO L899 garLoopResultBuilder]: For program point L7205-4(lines 7205 7207) no Hoare annotation was computed. [2022-12-14 16:06:34,679 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 7203 7216) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-12-14 16:06:34,679 INFO L895 garLoopResultBuilder]: At program point L7206(line 7206) the Hoare annotation is: (and (= |#memory_$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$.offset)|) (= |aws_byte_buf_clean_up_#in~buf.base| aws_byte_buf_clean_up_~buf.base)) [2022-12-14 16:06:34,679 INFO L899 garLoopResultBuilder]: For program point L7204-2(line 7204) no Hoare annotation was computed. [2022-12-14 16:06:34,679 INFO L895 garLoopResultBuilder]: At program point L7204-1(line 7204) the Hoare annotation is: (and (= |#memory_$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$.offset)|) (= |aws_byte_buf_clean_up_#in~buf.base| aws_byte_buf_clean_up_~buf.base)) [2022-12-14 16:06:34,680 INFO L899 garLoopResultBuilder]: For program point L7205-2(lines 7205 7207) no Hoare annotation was computed. [2022-12-14 16:06:34,680 INFO L895 garLoopResultBuilder]: At program point L7204(line 7204) the Hoare annotation is: (and (= |#memory_$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)) [2022-12-14 16:06:34,680 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_clean_upEXIT(lines 7203 7216) no Hoare annotation was computed. [2022-12-14 16:06:34,680 INFO L899 garLoopResultBuilder]: For program point L7206-1(line 7206) no Hoare annotation was computed. [2022-12-14 16:06:34,680 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-14 16:06:34,680 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-14 16:06:34,680 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-12-14 16:06:34,680 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-12-14 16:06:34,680 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2022-12-14 16:06:34,680 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-12-14 16:06:34,682 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 16:06:34,684 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 16:06:34,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:06:34 BoogieIcfgContainer [2022-12-14 16:06:34,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 16:06:34,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:06:34,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:06:34,692 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:06:34,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:06:15" (3/4) ... [2022-12-14 16:06:34,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:06:34,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-12-14 16:06:34,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2022-12-14 16:06:34,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-12-14 16:06:34,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-12-14 16:06:34,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 16:06:34,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_clean_up [2022-12-14 16:06:34,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 16:06:34,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-12-14 16:06:34,705 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2022-12-14 16:06:34,706 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2022-12-14 16:06:34,707 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 16:06:34,707 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 16:06:34,707 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 16:06:34,708 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 16:06:34,708 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 16:06:34,709 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:06:35,018 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 16:06:35,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:06:35,019 INFO L158 Benchmark]: Toolchain (without parser) took 22666.20ms. Allocated memory was 119.5MB in the beginning and 444.6MB in the end (delta: 325.1MB). Free memory was 76.9MB in the beginning and 99.6MB in the end (delta: -22.7MB). Peak memory consumption was 305.1MB. Max. memory is 16.1GB. [2022-12-14 16:06:35,019 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:06:35,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1986.00ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 76.9MB in the beginning and 65.1MB in the end (delta: 11.8MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2022-12-14 16:06:35,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.77ms. Allocated memory is still 144.7MB. Free memory was 65.1MB in the beginning and 54.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:06:35,019 INFO L158 Benchmark]: Boogie Preprocessor took 72.60ms. Allocated memory is still 144.7MB. Free memory was 54.7MB in the beginning and 48.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 16:06:35,020 INFO L158 Benchmark]: RCFGBuilder took 1160.21ms. Allocated memory is still 144.7MB. Free memory was 48.4MB in the beginning and 52.0MB in the end (delta: -3.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-12-14 16:06:35,020 INFO L158 Benchmark]: TraceAbstraction took 18989.95ms. Allocated memory was 144.7MB in the beginning and 444.6MB in the end (delta: 299.9MB). Free memory was 50.8MB in the beginning and 229.6MB in the end (delta: -178.8MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2022-12-14 16:06:35,020 INFO L158 Benchmark]: Witness Printer took 327.03ms. Allocated memory is still 444.6MB. Free memory was 229.6MB in the beginning and 99.6MB in the end (delta: 130.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2022-12-14 16:06:35,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1986.00ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 76.9MB in the beginning and 65.1MB in the end (delta: 11.8MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.77ms. Allocated memory is still 144.7MB. Free memory was 65.1MB in the beginning and 54.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.60ms. Allocated memory is still 144.7MB. Free memory was 54.7MB in the beginning and 48.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.21ms. Allocated memory is still 144.7MB. Free memory was 48.4MB in the beginning and 52.0MB in the end (delta: -3.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18989.95ms. Allocated memory was 144.7MB in the beginning and 444.6MB in the end (delta: 299.9MB). Free memory was 50.8MB in the beginning and 229.6MB in the end (delta: -178.8MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. * Witness Printer took 327.03ms. Allocated memory is still 444.6MB. Free memory was 229.6MB in the beginning and 99.6MB 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: 18.9s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 1360 SdHoareTripleChecker+Invalid, 5.5s 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, 1.3s 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, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 9.6s 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! [2022-12-14 16:06:35,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f97f25-556a-4434-bf9e-aaa5a7eb97d9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE