./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:08:12,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:08:12,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:08:12,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:08:12,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:08:12,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:08:12,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:08:12,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:08:12,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:08:12,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:08:12,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:08:12,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:08:12,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:08:12,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:08:12,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:08:12,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:08:12,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:08:12,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:08:12,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:08:12,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:08:12,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:08:12,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:08:12,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:08:12,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:08:12,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:08:12,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:08:12,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:08:12,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:08:12,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:08:12,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:08:12,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:08:12,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:08:12,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:08:12,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:08:12,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:08:12,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:08:12,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:08:12,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:08:12,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:08:12,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:08:12,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:08:12,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:08:12,839 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:08:12,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:08:12,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:08:12,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:08:12,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:08:12,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:08:12,841 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:08:12,841 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:08:12,842 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:08:12,842 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:08:12,842 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:08:12,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:08:12,842 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:08:12,843 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:08:12,843 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:08:12,843 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:08:12,843 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:08:12,843 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:08:12,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:08:12,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:08:12,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:08:12,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:08:12,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:08:12,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:08:12,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:08:12,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:08:12,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:08:12,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:08:12,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:08:12,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:12,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:08:12,849 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:08:12,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:08:12,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:08:12,849 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:08:12,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:08:12,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:08:12,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:08:12,850 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_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb [2022-11-22 01:08:13,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:08:13,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:08:13,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:08:13,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:08:13,148 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:08:13,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2022-11-22 01:08:16,273 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:08:16,866 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:08:16,868 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2022-11-22 01:08:16,908 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/data/8bdb341e0/f80905d76ec24d73975c6ba9f57eacb6/FLAG0cb6dcd26 [2022-11-22 01:08:16,927 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/data/8bdb341e0/f80905d76ec24d73975c6ba9f57eacb6 [2022-11-22 01:08:16,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:08:16,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:08:16,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:16,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:08:16,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:08:16,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e16cba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16, skipping insertion in model container [2022-11-22 01:08:16,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:08:17,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:08:17,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2022-11-22 01:08:17,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2022-11-22 01:08:18,682 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:18,683 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:18,684 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:18,684 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:18,686 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:18,701 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:18,702 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:18,704 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:18,704 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,211 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:08:19,213 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:08:19,214 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:08:19,215 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:08:19,217 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:08:19,218 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:08:19,218 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:08:19,219 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:08:19,220 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:08:19,220 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:08:19,395 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:08:19,511 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,512 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:19,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:08:19,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2022-11-22 01:08:19,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2022-11-22 01:08:19,723 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,723 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,724 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,724 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,725 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,732 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,733 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,734 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,735 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,769 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:08:19,771 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:08:19,772 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:08:19,773 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:08:19,777 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:08:19,778 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:08:19,778 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:08:19,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:08:19,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:08:19,786 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:08:19,817 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:08:19,908 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,908 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:08:19,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:20,235 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:08:20,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20 WrapperNode [2022-11-22 01:08:20,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:20,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:20,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:08:20,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:08:20,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,493 INFO L138 Inliner]: procedures = 691, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2022-11-22 01:08:20,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:20,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:08:20,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:08:20,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:08:20,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,591 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:08:20,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:08:20,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:08:20,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:08:20,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (1/1) ... [2022-11-22 01:08:20,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:20,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:20,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:08:20,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:08:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2022-11-22 01:08:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2022-11-22 01:08:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2022-11-22 01:08:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-22 01:08:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-22 01:08:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:08:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 01:08:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 01:08:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:08:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:08:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:08:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:08:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:08:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:08:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-22 01:08:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-22 01:08:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:08:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:08:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 01:08:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 01:08:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-22 01:08:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-22 01:08:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:08:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:08:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-22 01:08:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-22 01:08:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:08:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:08:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-22 01:08:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-22 01:08:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:08:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 01:08:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 01:08:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:08:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2022-11-22 01:08:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2022-11-22 01:08:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:08:21,114 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:08:21,117 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:08:22,685 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:08:23,014 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:08:23,014 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:08:23,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:23 BoogieIcfgContainer [2022-11-22 01:08:23,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:08:23,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:08:23,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:08:23,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:08:23,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:16" (1/3) ... [2022-11-22 01:08:23,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202294fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:23, skipping insertion in model container [2022-11-22 01:08:23,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:20" (2/3) ... [2022-11-22 01:08:23,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202294fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:23, skipping insertion in model container [2022-11-22 01:08:23,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:23" (3/3) ... [2022-11-22 01:08:23,027 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2022-11-22 01:08:23,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:08:23,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:08:23,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:08:23,106 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;@6f831981, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:08:23,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:08:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 57 states have internal predecessors, (66), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-11-22 01:08:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-22 01:08:23,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:23,122 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:23,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:08:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:23,128 INFO L85 PathProgramCache]: Analyzing trace with hash 670532630, now seen corresponding path program 1 times [2022-11-22 01:08:23,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:23,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227639653] [2022-11-22 01:08:23,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:23,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-22 01:08:46,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:46,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227639653] [2022-11-22 01:08:46,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227639653] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:08:46,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324776433] [2022-11-22 01:08:46,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:46,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:46,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:46,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:08:46,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2201b70-9fc3-4de7-8579-7bef5bf6e41a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:08:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:47,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 140 conjunts are in the unsatisfiable core [2022-11-22 01:08:47,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:08:48,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 01:08:48,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:08:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:52,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-22 01:08:52,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:52,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:52,424 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 01:08:52,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 44 [2022-11-22 01:09:00,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:00,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:00,198 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 01:09:00,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 57 [2022-11-22 01:09:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:00,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-22 01:09:16,010 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:09:16,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 78 treesize of output 62 [2022-11-22 01:09:16,118 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:09:16,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 17 [2022-11-22 01:09:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 01:09:16,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:09:19,492 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-22 01:17:06,864 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.