./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/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_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7 --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:08:58,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:08:58,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:08:58,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:08:58,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:08:58,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:08:58,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:08:58,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:08:58,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:08:58,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:08:58,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:08:58,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:08:58,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:08:58,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:08:58,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:08:58,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:08:58,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:08:58,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:08:58,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:08:58,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:08:58,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:08:58,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:08:58,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:08:58,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:08:58,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:08:58,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:08:58,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:08:58,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:08:58,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:08:58,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:08:58,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:08:58,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:08:58,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:08:58,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:08:58,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:08:58,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:08:58,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:08:58,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:08:58,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:08:58,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:08:58,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:08:58,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:08:58,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:08:58,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:08:58,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:08:58,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:08:58,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:08:58,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:08:58,643 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:08:58,643 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:08:58,643 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:08:58,643 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:08:58,644 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:08:58,645 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:08:58,645 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:08:58,645 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:08:58,645 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:08:58,646 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:08:58,646 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:08:58,646 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:08:58,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:08:58,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:08:58,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:08:58,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:08:58,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:08:58,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:08:58,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:08:58,648 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:08:58,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:08:58,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:08:58,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:08:58,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:08:58,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:08:58,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:08:58,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:08:58,652 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:08:58,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:08:58,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:08:58,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:08:58,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:08:58,653 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2021-11-25 18:08:58,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:08:58,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:08:58,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:08:58,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:08:58,922 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:08:58,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2021-11-25 18:08:58,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/data/8eee898e0/74c844684f064404a8910b064d53ff8e/FLAG427efbbac [2021-11-25 18:08:59,842 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:08:59,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2021-11-25 18:08:59,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/data/8eee898e0/74c844684f064404a8910b064d53ff8e/FLAG427efbbac [2021-11-25 18:08:59,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/data/8eee898e0/74c844684f064404a8910b064d53ff8e [2021-11-25 18:08:59,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:08:59,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:08:59,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:08:59,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:08:59,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:08:59,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:59" (1/1) ... [2021-11-25 18:08:59,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486184a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:59, skipping insertion in model container [2021-11-25 18:08:59,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:59" (1/1) ... [2021-11-25 18:08:59,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:09:00,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:09:00,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2021-11-25 18:09:00,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2021-11-25 18:09:01,424 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,426 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,430 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,431 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,434 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,466 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:01,964 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 18:09:01,966 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 18:09:01,967 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 18:09:01,969 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 18:09:01,970 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 18:09:01,971 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 18:09:01,972 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 18:09:01,973 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 18:09:01,974 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 18:09:01,974 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 18:09:02,181 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 18:09:02,377 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,377 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:09:02,526 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:09:02,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2021-11-25 18:09:02,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2021-11-25 18:09:02,589 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,589 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,590 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,590 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,591 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,600 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,600 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,642 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 18:09:02,643 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 18:09:02,644 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 18:09:02,645 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 18:09:02,646 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 18:09:02,647 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 18:09:02,648 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 18:09:02,648 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 18:09:02,649 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 18:09:02,649 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 18:09:02,676 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 18:09:02,810 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,810 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:09:02,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:09:03,239 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:09:03,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03 WrapperNode [2021-11-25 18:09:03,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:09:03,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:09:03,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:09:03,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:09:03,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,535 INFO L137 Inliner]: procedures = 691, calls = 2668, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2021-11-25 18:09:03,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:09:03,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:09:03,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:09:03,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:09:03,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:09:03,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:09:03,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:09:03,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:09:03,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (1/1) ... [2021-11-25 18:09:03,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:09:03,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:03,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:09:03,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-25 18:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-25 18:09:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:09:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-25 18:09:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-25 18:09:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:09:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:09:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:09:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:09:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-25 18:09:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-25 18:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-25 18:09:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-25 18:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2021-11-25 18:09:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2021-11-25 18:09:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:09:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:09:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 18:09:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 18:09:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-25 18:09:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-25 18:09:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-11-25 18:09:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-11-25 18:09:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:09:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:09:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-25 18:09:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-25 18:09:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:09:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:09:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2021-11-25 18:09:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2021-11-25 18:09:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:09:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-25 18:09:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-25 18:09:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-25 18:09:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-25 18:09:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2021-11-25 18:09:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2021-11-25 18:09:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:09:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2021-11-25 18:09:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2021-11-25 18:09:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:09:04,204 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:09:04,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:09:05,815 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:09:06,009 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:09:06,009 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 18:09:06,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:09:06 BoogieIcfgContainer [2021-11-25 18:09:06,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:09:06,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:09:06,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:09:06,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:09:06,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:08:59" (1/3) ... [2021-11-25 18:09:06,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c54b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:09:06, skipping insertion in model container [2021-11-25 18:09:06,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:03" (2/3) ... [2021-11-25 18:09:06,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c54b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:09:06, skipping insertion in model container [2021-11-25 18:09:06,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:09:06" (3/3) ... [2021-11-25 18:09:06,028 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2021-11-25 18:09:06,033 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:09:06,034 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:09:06,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:09:06,110 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:09:06,111 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:09:06,135 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) [2021-11-25 18:09:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 18:09:06,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:09:06,155 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:09:06,156 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:09:06,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:09:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2116786625, now seen corresponding path program 1 times [2021-11-25 18:09:06,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:09:06,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164428285] [2021-11-25 18:09:06,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:06,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:09:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-25 18:09:12,430 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:09:12,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164428285] [2021-11-25 18:09:12,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164428285] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:09:12,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361544376] [2021-11-25 18:09:12,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:09:12,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:09:12,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:09:12,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:09:12,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abccfdf-dd19-427a-9df7-4059036997dd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:09:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:09:13,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 2992 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-25 18:09:13,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:09:13,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:09:13,819 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-25 18:09:13,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:14,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:14,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:15,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:18,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:18,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:20,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:20,321 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimArr_1 (Array Int Int))) (and (not (= (select v_arrayElimArr_1 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|)) 0)) (= (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1) |c_#memory_$Pointer$.base|))) (exists ((v_ArrVal_170 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_ArrVal_170))) (< 0 |c_#StackHeapBarrier|)) is different from true [2021-11-25 18:09:20,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:20,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-25 18:09:32,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:33,512 INFO L354 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2021-11-25 18:09:33,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:33,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:09:33,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:09:33,622 INFO L354 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2021-11-25 18:09:33,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 53 treesize of output 70 [2021-11-25 18:09:33,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:09:51,883 INFO L354 Elim1Store]: treesize reduction 32, result has 84.7 percent of original size [2021-11-25 18:09:51,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 52 case distinctions, treesize of input 175 treesize of output 263 [2021-11-25 18:09:52,473 INFO L354 Elim1Store]: treesize reduction 16, result has 84.8 percent of original size [2021-11-25 18:09:52,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 55 treesize of output 111 [2021-11-25 18:10:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 43 proven. 81 refuted. 0 times theorem prover too weak. 26 trivial. 1 not checked. [2021-11-25 18:10:05,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:10:07,777 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2021-11-25 18:17:24,046 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.