./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.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba --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 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c --- 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-b5237d8 [2022-11-22 01:39:21,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:39:21,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:39:21,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:39:21,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:39:21,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:39:21,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:39:21,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:39:21,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:39:21,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:39:21,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:39:21,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:39:21,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:39:21,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:39:21,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:39:21,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:39:21,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:39:21,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:39:21,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:39:21,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:39:21,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:39:21,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:39:21,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:39:21,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:39:21,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:39:21,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:39:21,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:39:21,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:39:21,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:39:21,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:39:21,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:39:21,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:39:21,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:39:21,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:39:21,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:39:21,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:39:21,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:39:21,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:39:21,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:39:21,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:39:21,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:39:21,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:39:21,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:39:21,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:39:21,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:39:21,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:39:21,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:39:21,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:39:21,408 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:39:21,408 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:39:21,408 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:39:21,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:39:21,409 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:39:21,409 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:39:21,409 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:39:21,409 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:39:21,410 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:39:21,410 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:39:21,410 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:39:21,410 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:39:21,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:39:21,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:39:21,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:39:21,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:39:21,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:39:21,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:39:21,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:39:21,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:39:21,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:39:21,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:39:21,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:39:21,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:21,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:39:21,414 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:39:21,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:39:21,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:39:21,415 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:39:21,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:39:21,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:39:21,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:39:21,416 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_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c [2022-11-22 01:39:21,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:39:21,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:39:21,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:39:21,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:39:21,761 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:39:21,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-22 01:39:24,904 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:39:25,467 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:39:25,468 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-22 01:39:25,518 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/data/f3292e165/919ce35384064f4583628faa0d4890e8/FLAG8242f4a77 [2022-11-22 01:39:25,536 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/data/f3292e165/919ce35384064f4583628faa0d4890e8 [2022-11-22 01:39:25,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:39:25,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:39:25,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:25,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:39:25,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:39:25,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:25" (1/1) ... [2022-11-22 01:39:25,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6ffa47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:25, skipping insertion in model container [2022-11-22 01:39:25,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:25" (1/1) ... [2022-11-22 01:39:25,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:39:25,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:39:26,010 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_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-22 01:39:26,017 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_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-22 01:39:26,957 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:26,958 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:26,959 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:26,959 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:26,961 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:26,977 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:26,978 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:26,981 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:26,981 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:27,355 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:39:27,356 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:39:27,358 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:39:27,359 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:39:27,361 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:39:27,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:39:27,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:39:27,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:39:27,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:39:27,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:39:27,632 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:39:27,791 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:27,791 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:27,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:27,916 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:39:27,931 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_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-22 01:39:27,932 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_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-22 01:39:27,989 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:27,989 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:27,989 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:27,990 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:27,991 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:28,007 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:28,008 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:28,009 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:28,010 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:28,058 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:39:28,059 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:39:28,060 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:39:28,061 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:39:28,062 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:39:28,063 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:39:28,063 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:39:28,064 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:39:28,064 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:39:28,065 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:39:28,105 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:39:28,227 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:28,227 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:39:28,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:28,558 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:39:28,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28 WrapperNode [2022-11-22 01:39:28,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:28,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:28,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:39:28,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:39:28,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,756 INFO L138 Inliner]: procedures = 691, calls = 2655, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 901 [2022-11-22 01:39:28,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:28,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:39:28,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:39:28,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:39:28,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:39:28,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:39:28,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:39:28,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:39:28,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (1/1) ... [2022-11-22 01:39:28,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:28,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:28,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:39:28,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:39:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-22 01:39:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-22 01:39:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:39:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 01:39:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 01:39:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:39:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:39:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:39:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:39:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:39:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-22 01:39:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-22 01:39:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:39:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-22 01:39:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-22 01:39:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-22 01:39:28,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-22 01:39:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:39:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:39:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 01:39:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 01:39:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-22 01:39:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-22 01:39:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:39:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:39:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-22 01:39:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-22 01:39:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:39:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:39:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-22 01:39:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-22 01:39:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:39:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 01:39:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 01:39:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-22 01:39:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-22 01:39:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-11-22 01:39:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-11-22 01:39:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:39:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-11-22 01:39:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-11-22 01:39:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:39:29,379 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:39:29,381 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:39:31,046 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:39:31,345 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:39:31,345 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:39:31,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:31 BoogieIcfgContainer [2022-11-22 01:39:31,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:39:31,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:39:31,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:39:31,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:39:31,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:39:25" (1/3) ... [2022-11-22 01:39:31,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64821c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:31, skipping insertion in model container [2022-11-22 01:39:31,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:28" (2/3) ... [2022-11-22 01:39:31,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64821c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:31, skipping insertion in model container [2022-11-22 01:39:31,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:31" (3/3) ... [2022-11-22 01:39:31,362 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-22 01:39:31,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:39:31,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:39:31,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:39:31,462 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@398ec574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:39:31,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:39:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-22 01:39:31,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-22 01:39:31,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:31,508 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 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] [2022-11-22 01:39:31,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:39:31,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:31,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1697854277, now seen corresponding path program 1 times [2022-11-22 01:39:31,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:31,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950330211] [2022-11-22 01:39:31,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:31,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-22 01:40:00,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:00,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950330211] [2022-11-22 01:40:00,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950330211] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:40:00,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357594076] [2022-11-22 01:40:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:00,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:40:00,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:40:00,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:40:00,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d9af62-6077-4a1e-a540-9c8b2cd8c8ba/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:40:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:01,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 240 conjunts are in the unsatisfiable core [2022-11-22 01:40:01,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:40:01,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-22 01:40:02,077 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 [2022-11-22 01:40:02,084 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 [2022-11-22 01:40:03,701 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 7 treesize of output 3 [2022-11-22 01:40:03,709 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 [2022-11-22 01:40:04,070 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 [2022-11-22 01:40:04,073 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 [2022-11-22 01:40:04,268 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-22 01:40:04,279 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 [2022-11-22 01:40:04,338 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|))) (and (exists ((v_arrayElimArr_1 (Array Int Int))) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1)) (= (select v_arrayElimArr_1 .cse0) 0))) (< 0 |c_#StackHeapBarrier|) (exists ((v_arrayElimArr_2 (Array Int Int))) (and (not (= (select v_arrayElimArr_2 .cse0) 0)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_2)))))) is different from true [2022-11-22 01:40:04,358 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 [2022-11-22 01:40:04,372 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 16 treesize of output 18 [2022-11-22 01:40:05,668 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 15 treesize of output 7 [2022-11-22 01:40:05,676 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 [2022-11-22 01:40:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:06,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:06,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:06,617 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:40:06,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 47 [2022-11-22 01:40:06,690 INFO L321 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2022-11-22 01:40:06,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2022-11-22 01:40:06,760 INFO L321 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2022-11-22 01:40:06,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2022-11-22 01:40:06,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 30 [2022-11-22 01:40:06,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-22 01:40:06,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 14 [2022-11-22 01:40:06,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 13 [2022-11-22 01:40:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 74 refuted. 0 times theorem prover too weak. 22 trivial. 1 not checked. [2022-11-22 01:40:22,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:40:25,748 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-22 01:48:16,113 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.