./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/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_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:29:23,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:29:23,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:29:23,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:29:23,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:29:23,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:29:23,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:29:23,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:29:23,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:29:23,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:29:23,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:29:23,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:29:23,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:29:23,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:29:23,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:29:23,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:29:23,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:29:23,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:29:23,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:29:23,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:29:23,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:29:23,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:29:23,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:29:23,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:29:23,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:29:23,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:29:23,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:29:23,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:29:23,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:29:23,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:29:23,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:29:23,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:29:23,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:29:23,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:29:23,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:29:23,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:29:23,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:29:23,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:29:23,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:29:23,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:29:23,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:29:23,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:29:23,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:29:23,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:29:23,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:29:23,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:29:23,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:29:23,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:29:23,603 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:29:23,603 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:29:23,603 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:29:23,603 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:29:23,603 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:29:23,604 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:29:23,604 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:29:23,604 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:29:23,604 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:29:23,604 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:29:23,604 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:29:23,605 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:29:23,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:29:23,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:29:23,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:29:23,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:29:23,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:29:23,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:29:23,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:29:23,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:29:23,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:29:23,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:29:23,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:29:23,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:29:23,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:29:23,608 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:29:23,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:29:23,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:29:23,608 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:29:23,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:29:23,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:29:23,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:29:23,609 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_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2022-11-19 07:29:23,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:29:23,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:29:23,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:29:23,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:29:23,934 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:29:23,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-19 07:29:24,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/data/3058c87d7/5d053104413f434887293b9389ad61ef/FLAG128b95ab9 [2022-11-19 07:29:24,895 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:29:24,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-19 07:29:24,949 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/data/3058c87d7/5d053104413f434887293b9389ad61ef/FLAG128b95ab9 [2022-11-19 07:29:25,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/data/3058c87d7/5d053104413f434887293b9389ad61ef [2022-11-19 07:29:25,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:29:25,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:29:25,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:25,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:29:25,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:29:25,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:25" (1/1) ... [2022-11-19 07:29:25,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dafaad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:25, skipping insertion in model container [2022-11-19 07:29:25,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:25" (1/1) ... [2022-11-19 07:29:25,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:29:25,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:29:25,844 WARN L234 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_1f6719b1-003a-4edb-b086-51cbdbe4053f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-11-19 07:29:25,853 WARN L234 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_1f6719b1-003a-4edb-b086-51cbdbe4053f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-11-19 07:29:27,031 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,032 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,033 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,033 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,035 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,047 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,048 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,049 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,050 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,555 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:29:27,557 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:29:27,558 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:29:27,559 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:29:27,561 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:29:27,562 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:29:27,563 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:29:27,564 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:29:27,565 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:29:27,565 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:29:27,778 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:29:27,887 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:27,888 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:29:28,083 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:29:28,097 WARN L234 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_1f6719b1-003a-4edb-b086-51cbdbe4053f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-11-19 07:29:28,097 WARN L234 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_1f6719b1-003a-4edb-b086-51cbdbe4053f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-11-19 07:29:28,133 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,134 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,134 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,135 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,136 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,143 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,144 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,145 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,145 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,183 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:29:28,184 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:29:28,185 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:29:28,186 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:29:28,187 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:29:28,187 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:29:28,188 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:29:28,189 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:29:28,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:29:28,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:29:28,215 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:29:28,300 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,301 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:29:28,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:29:28,615 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:29:28,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28 WrapperNode [2022-11-19 07:29:28,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:28,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:29:28,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:29:28,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:29:28,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,840 INFO L138 Inliner]: procedures = 691, calls = 2667, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 899 [2022-11-19 07:29:28,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:29:28,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:29:28,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:29:28,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:29:28,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:29:28,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:29:28,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:29:28,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:29:28,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (1/1) ... [2022-11-19 07:29:28,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:29:29,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:29:29,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:29:29,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:29:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-19 07:29:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-19 07:29:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:29:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 07:29:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 07:29:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:29:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:29:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:29:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:29:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:29:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-19 07:29:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-19 07:29:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:29:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-19 07:29:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-19 07:29:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-19 07:29:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-19 07:29:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:29:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:29:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 07:29:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 07:29:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-19 07:29:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-19 07:29:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-11-19 07:29:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-11-19 07:29:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:29:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:29:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-19 07:29:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-19 07:29:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:29:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:29:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-19 07:29:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-19 07:29:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:29:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 07:29:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 07:29:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-19 07:29:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-19 07:29:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-11-19 07:29:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-11-19 07:29:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:29:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-11-19 07:29:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-11-19 07:29:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:29:29,408 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:29:29,413 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:29:31,266 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:29:31,578 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:29:31,580 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:29:31,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:29:31 BoogieIcfgContainer [2022-11-19 07:29:31,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:29:31,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:29:31,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:29:31,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:29:31,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:29:25" (1/3) ... [2022-11-19 07:29:31,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a814962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:29:31, skipping insertion in model container [2022-11-19 07:29:31,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:28" (2/3) ... [2022-11-19 07:29:31,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a814962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:29:31, skipping insertion in model container [2022-11-19 07:29:31,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:29:31" (3/3) ... [2022-11-19 07:29:31,596 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-19 07:29:31,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:29:31,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:29:31,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:29:31,732 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;@7b26c18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:29:31,733 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:29:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-19 07:29:31,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-19 07:29:31,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:29:31,763 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:29:31,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:29:31,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:29:31,773 INFO L85 PathProgramCache]: Analyzing trace with hash -2116786625, now seen corresponding path program 1 times [2022-11-19 07:29:31,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:29:31,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338382490] [2022-11-19 07:29:31,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:29:31,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:29:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:29:52,545 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-19 07:29:52,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:29:52,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338382490] [2022-11-19 07:29:52,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338382490] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:29:52,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059906019] [2022-11-19 07:29:52,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:29:52,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:29:52,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:29:52,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:29:52,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6719b1-003a-4edb-b086-51cbdbe4053f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:29:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:29:53,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 2988 conjuncts, 228 conjunts are in the unsatisfiable core [2022-11-19 07:29:53,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:29:53,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:29:54,397 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 07:29:54,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 07:29:55,087 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 [2022-11-19 07:29:55,093 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 [2022-11-19 07:30:00,609 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 [2022-11-19 07:30:00,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-11-19 07:30:05,059 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 [2022-11-19 07:30:05,063 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 [2022-11-19 07:30:09,283 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 [2022-11-19 07:30:09,301 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|))) (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_167 Int) (v_ArrVal_172 Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| (store (store (select |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base|) (+ |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset| 24) v_ArrVal_167) .cse0 v_ArrVal_172)))) (exists ((v_arrayElimArr_1 (Array Int Int))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1)) (not (= (select v_arrayElimArr_1 .cse0) 0)))))) is different from true [2022-11-19 07:30:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:30:09,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 48 [2022-11-19 07:30:09,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-19 07:30:22,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 27 [2022-11-19 07:30:23,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-19 07:30:23,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 12 [2022-11-19 07:30:24,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2022-11-19 07:30:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:30:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:30:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:30:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:30:24,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:30:25,007 INFO L321 Elim1Store]: treesize reduction 56, result has 39.8 percent of original size [2022-11-19 07:30:25,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 07:30:41,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 157 [2022-11-19 07:30:41,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 141 [2022-11-19 07:30:42,722 INFO L321 Elim1Store]: treesize reduction 32, result has 84.7 percent of original size [2022-11-19 07:30:42,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 5 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 52 case distinctions, treesize of input 296 treesize of output 352 [2022-11-19 07:30:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 34 proven. 82 refuted. 0 times theorem prover too weak. 34 trivial. 1 not checked. [2022-11-19 07:30:45,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:30:48,641 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-19 07:39:09,404 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.