./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.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_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/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_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/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_90ef79c6-14f9-435d-98b3-21571883f729/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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- 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 15:14:12,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:14:12,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:14:12,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:14:12,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:14:12,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:14:12,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:14:12,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:14:12,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:14:12,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:14:12,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:14:12,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:14:12,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:14:12,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:14:12,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:14:12,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:14:12,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:14:12,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:14:12,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:14:12,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:14:12,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:14:12,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:14:12,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:14:12,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:14:12,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:14:12,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:14:12,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:14:12,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:14:12,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:14:12,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:14:12,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:14:12,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:14:12,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:14:12,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:14:12,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:14:12,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:14:12,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:14:12,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:14:12,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:14:12,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:14:12,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:14:12,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:14:12,923 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:14:12,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:14:12,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:14:12,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:14:12,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:14:12,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:14:12,925 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:14:12,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:14:12,925 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:14:12,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:14:12,925 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:14:12,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:14:12,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:14:12,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:14:12,926 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:14:12,926 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:14:12,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:14:12,927 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:14:12,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:14:12,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:14:12,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:14:12,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:14:12,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:14:12,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:14:12,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:14:12,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:14:12,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:14:12,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:14:12,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:14:12,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:14:12,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:14:12,929 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:14:12,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:14:12,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:14:12,930 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:14:12,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:14:12,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:14:12,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:14:12,930 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_90ef79c6-14f9-435d-98b3-21571883f729/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2022-12-14 15:14:13,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:14:13,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:14:13,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:14:13,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:14:13,136 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:14:13,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-12-14 15:14:15,698 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:14:15,993 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:14:15,994 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-12-14 15:14:16,014 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/data/2e4d3895a/c3b211c40a424e72a80e75b1c2534ab6/FLAG3a30247b8 [2022-12-14 15:14:16,025 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/data/2e4d3895a/c3b211c40a424e72a80e75b1c2534ab6 [2022-12-14 15:14:16,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:14:16,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:14:16,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:14:16,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:14:16,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:14:16,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:14:16" (1/1) ... [2022-12-14 15:14:16,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62aeb512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:16, skipping insertion in model container [2022-12-14 15:14:16,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:14:16" (1/1) ... [2022-12-14 15:14:16,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:14:16,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:14:16,281 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_90ef79c6-14f9-435d-98b3-21571883f729/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-12-14 15:14:16,288 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_90ef79c6-14f9-435d-98b3-21571883f729/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-12-14 15:14:16,952 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:16,956 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:16,956 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:16,956 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:16,957 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:16,958 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:16,960 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:16,968 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:16,968 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:16,968 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:16,970 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:16,970 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,028 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:14:17,028 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:14:17,029 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:14:17,033 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:14:17,034 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:14:17,035 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:14:17,273 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:14:17,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:14:17,275 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:14:17,276 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:14:17,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:14:17,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:14:17,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:14:17,281 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:14:17,281 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:14:17,282 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:14:17,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:14:17,432 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:14:17,461 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,471 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,474 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:14:17,484 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:14:17,493 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,499 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,500 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,500 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,511 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:14:17,518 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,518 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,523 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,530 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,564 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:14:17,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:14:17,595 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:14:17,604 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_90ef79c6-14f9-435d-98b3-21571883f729/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-12-14 15:14:17,604 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_90ef79c6-14f9-435d-98b3-21571883f729/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-12-14 15:14:17,625 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,626 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,626 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,627 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,627 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,627 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,628 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,631 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,632 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,632 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,632 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,633 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,637 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:14:17,637 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:14:17,637 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:14:17,639 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:14:17,640 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:14:17,640 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:14:17,652 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:14:17,653 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:14:17,654 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:14:17,654 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:14:17,655 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:14:17,655 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:14:17,656 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:14:17,656 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:14:17,656 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:14:17,657 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:14:17,657 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:14:17,676 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:14:17,689 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,695 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,697 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:14:17,702 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:14:17,738 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,740 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,741 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,741 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,746 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:14:17,751 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,751 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:14:17,754 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,757 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 15:14:17,768 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:14:17,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:14:17,895 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:14:17,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17 WrapperNode [2022-12-14 15:14:17,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:14:17,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:14:17,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:14:17,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:14:17,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:17,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,020 INFO L138 Inliner]: procedures = 691, calls = 2667, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 899 [2022-12-14 15:14:18,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:14:18,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:14:18,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:14:18,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:14:18,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,075 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:14:18,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:14:18,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:14:18,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:14:18,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (1/1) ... [2022-12-14 15:14:18,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:14:18,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:14:18,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:14:18,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:14:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-12-14 15:14:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-12-14 15:14:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:14:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 15:14:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 15:14:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:14:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:14:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:14:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:14:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:14:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-12-14 15:14:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-12-14 15:14:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:14:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 15:14:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 15:14:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-12-14 15:14:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-12-14 15:14:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:14:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:14:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 15:14:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 15:14:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 15:14:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 15:14:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-12-14 15:14:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-12-14 15:14:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 15:14:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 15:14:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 15:14:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-12-14 15:14:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 15:14:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 15:14:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-12-14 15:14:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-12-14 15:14:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-12-14 15:14:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:14:18,373 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:14:18,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:14:19,422 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:14:19,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:14:19,599 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 15:14:19,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:14:19 BoogieIcfgContainer [2022-12-14 15:14:19,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:14:19,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:14:19,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:14:19,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:14:19,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:14:16" (1/3) ... [2022-12-14 15:14:19,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51713d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:14:19, skipping insertion in model container [2022-12-14 15:14:19,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:14:17" (2/3) ... [2022-12-14 15:14:19,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51713d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:14:19, skipping insertion in model container [2022-12-14 15:14:19,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:14:19" (3/3) ... [2022-12-14 15:14:19,610 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-12-14 15:14:19,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:14:19,630 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:14:19,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:14:19,688 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;@792b0088, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:14:19,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:14:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-12-14 15:14:19,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 15:14:19,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:14:19,706 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:14:19,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:14:19,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:14:19,711 INFO L85 PathProgramCache]: Analyzing trace with hash 136461598, now seen corresponding path program 1 times [2022-12-14 15:14:19,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:14:19,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738087179] [2022-12-14 15:14:19,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:14:19,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:14:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:14:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-12-14 15:14:29,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:14:29,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738087179] [2022-12-14 15:14:29,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738087179] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:14:29,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909270561] [2022-12-14 15:14:29,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:14:29,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:14:29,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:14:29,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:14:29,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ef79c6-14f9-435d-98b3-21571883f729/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:14:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:14:29,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 2988 conjuncts, 223 conjunts are in the unsatisfiable core [2022-12-14 15:14:29,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:14:30,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 15:14:30,445 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 15:14:30,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 15:14:30,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:14:30,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:14:34,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 15:14:34,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-12-14 15:14:38,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:14:38,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 15:14:42,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-12-14 15:14:42,411 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|))) (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_167 Int) (v_ArrVal_172 Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| (store (store (select |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base|) (+ |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset| 24) v_ArrVal_167) .cse0 v_ArrVal_172)))) (exists ((v_arrayElimArr_1 (Array Int Int))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1)) (not (= (select v_arrayElimArr_1 .cse0) 0)))))) is different from true [2022-12-14 15:14:42,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:42,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 48 [2022-12-14 15:14:42,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-12-14 15:14:51,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-12-14 15:14:51,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 15:14:52,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2022-12-14 15:14:52,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 15:14:52,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 15:14:52,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:52,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:14:52,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:14:52,377 INFO L321 Elim1Store]: treesize reduction 40, result has 42.9 percent of original size [2022-12-14 15:14:52,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 80 [2022-12-14 15:14:52,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 15:15:02,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 97 [2022-12-14 15:15:02,885 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:15:02,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 118 [2022-12-14 15:15:03,106 INFO L321 Elim1Store]: treesize reduction 16, result has 85.8 percent of original size [2022-12-14 15:15:03,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 184 treesize of output 208 [2022-12-14 15:15:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 38 proven. 84 refuted. 0 times theorem prover too weak. 28 trivial. 1 not checked. [2022-12-14 15:15:03,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:15:05,562 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-12-14 15:21:30,541 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.