./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:04:47,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:04:47,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:04:47,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:04:47,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:04:47,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:04:47,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:04:47,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:04:47,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:04:47,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:04:47,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:04:47,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:04:47,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:04:47,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:04:47,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:04:47,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:04:47,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:04:47,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:04:47,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:04:47,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:04:47,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:04:47,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:04:47,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:04:47,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:04:47,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:04:47,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:04:47,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:04:47,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:04:47,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:04:47,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:04:47,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:04:47,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:04:47,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:04:47,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:04:47,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:04:47,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:04:47,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:04:47,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:04:47,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:04:47,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:04:47,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:04:47,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 21:04:47,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:04:47,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:04:47,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:04:47,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:04:47,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:04:47,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:04:47,881 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:04:47,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:04:47,882 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:04:47,882 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:04:47,883 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:04:47,884 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:04:47,884 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:04:47,884 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:04:47,884 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:04:47,884 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:04:47,885 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:04:47,885 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:04:47,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:04:47,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:04:47,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:04:47,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:04:47,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:04:47,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:04:47,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:04:47,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:04:47,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:04:47,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:04:47,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:04:47,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:04:47,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:04:47,889 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:04:47,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:04:47,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:04:47,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:04:47,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:04:47,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:04:47,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:04:47,891 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_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c [2022-11-20 21:04:48,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:04:48,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:04:48,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:04:48,219 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:04:48,219 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:04:48,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-20 21:04:51,391 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:04:51,968 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:04:51,969 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-20 21:04:52,004 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/data/8e3cdb345/cab7d71cdaaa4ac390b541969a7f17b4/FLAGd82046a6e [2022-11-20 21:04:52,024 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/data/8e3cdb345/cab7d71cdaaa4ac390b541969a7f17b4 [2022-11-20 21:04:52,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:04:52,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:04:52,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:04:52,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:04:52,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:04:52,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:04:52" (1/1) ... [2022-11-20 21:04:52,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fcf787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:52, skipping insertion in model container [2022-11-20 21:04:52,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:04:52" (1/1) ... [2022-11-20 21:04:52,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:04:52,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:04:52,448 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_06f32320-4a80-478e-a9cf-cf7a43d4c82b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-20 21:04:52,457 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_06f32320-4a80-478e-a9cf-cf7a43d4c82b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-20 21:04:53,580 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:53,583 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:53,584 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:53,585 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:53,587 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:53,600 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:53,601 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:53,603 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:53,604 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,152 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 21:04:54,154 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 21:04:54,155 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 21:04:54,156 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 21:04:54,158 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 21:04:54,159 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 21:04:54,160 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 21:04:54,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 21:04:54,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 21:04:54,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 21:04:54,448 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 21:04:54,644 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,644 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:04:54,756 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:04:54,770 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_06f32320-4a80-478e-a9cf-cf7a43d4c82b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-20 21:04:54,771 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_06f32320-4a80-478e-a9cf-cf7a43d4c82b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-20 21:04:54,808 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,817 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,817 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,818 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,819 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,825 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,834 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,835 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,836 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:54,883 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 21:04:54,884 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 21:04:54,885 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 21:04:54,887 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 21:04:54,891 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 21:04:54,892 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 21:04:54,893 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 21:04:54,893 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 21:04:54,894 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 21:04:54,894 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 21:04:54,925 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 21:04:55,007 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:55,008 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 21:04:55,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:04:55,338 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:04:55,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55 WrapperNode [2022-11-20 21:04:55,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:04:55,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:04:55,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:04:55,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:04:55,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,526 INFO L138 Inliner]: procedures = 691, calls = 2655, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 901 [2022-11-20 21:04:55,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:04:55,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:04:55,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:04:55,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:04:55,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:04:55,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:04:55,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:04:55,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:04:55,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (1/1) ... [2022-11-20 21:04:55,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:04:55,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:04:55,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:04:55,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:04:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-20 21:04:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-20 21:04:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:04:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 21:04:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 21:04:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 21:04:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 21:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:04:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-20 21:04:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-20 21:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-20 21:04:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-20 21:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-20 21:04:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-20 21:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:04:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 21:04:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 21:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-20 21:04:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-20 21:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 21:04:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 21:04:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-20 21:04:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-20 21:04:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:04:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:04:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-20 21:04:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-20 21:04:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 21:04:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-20 21:04:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-20 21:04:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-20 21:04:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-20 21:04:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-11-20 21:04:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-11-20 21:04:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:04:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-11-20 21:04:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-11-20 21:04:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:04:56,090 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:04:56,092 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:04:57,645 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:04:57,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:04:57,943 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 21:04:57,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:04:57 BoogieIcfgContainer [2022-11-20 21:04:57,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:04:57,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:04:57,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:04:57,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:04:57,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:04:52" (1/3) ... [2022-11-20 21:04:57,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471c8e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:04:57, skipping insertion in model container [2022-11-20 21:04:57,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:55" (2/3) ... [2022-11-20 21:04:57,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471c8e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:04:57, skipping insertion in model container [2022-11-20 21:04:57,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:04:57" (3/3) ... [2022-11-20 21:04:57,960 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-20 21:04:57,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:04:57,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:04:58,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:04:58,061 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;@7a7cf0b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:04:58,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:04:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-20 21:04:58,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 21:04:58,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:04:58,084 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:04:58,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:04:58,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:04:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1697854277, now seen corresponding path program 1 times [2022-11-20 21:04:58,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:04:58,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165390203] [2022-11-20 21:04:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:04:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:05:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:05:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-20 21:05:27,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:05:27,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165390203] [2022-11-20 21:05:27,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165390203] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:05:27,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090327648] [2022-11-20 21:05:27,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:05:27,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:05:27,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:05:27,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:05:27,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f32320-4a80-478e-a9cf-cf7a43d4c82b/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 21:05:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:05:28,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 240 conjunts are in the unsatisfiable core [2022-11-20 21:05:28,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:05:28,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 21:05:29,059 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 [2022-11-20 21:05:29,067 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 [2022-11-20 21:05:30,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 21:05:30,622 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 [2022-11-20 21:05:31,006 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 [2022-11-20 21:05:31,011 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 [2022-11-20 21:05:31,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-20 21:05:31,249 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 [2022-11-20 21:05:31,258 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|))) (and (exists ((v_arrayElimArr_1 (Array Int Int))) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1)) (= (select v_arrayElimArr_1 .cse0) 0))) (< 0 |c_#StackHeapBarrier|) (exists ((v_arrayElimArr_2 (Array Int Int))) (and (not (= (select v_arrayElimArr_2 .cse0) 0)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_2)))))) is different from true [2022-11-20 21:05:31,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-20 21:05:31,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-20 21:05:32,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 21:05:32,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-20 21:05:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:05:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:05:33,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:05:33,437 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 21:05:33,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 47 [2022-11-20 21:05:33,512 INFO L321 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2022-11-20 21:05:33,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2022-11-20 21:05:33,583 INFO L321 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2022-11-20 21:05:33,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2022-11-20 21:05:33,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-20 21:05:33,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-20 21:05:33,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-20 21:05:33,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-20 21:05:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 74 refuted. 0 times theorem prover too weak. 22 trivial. 1 not checked. [2022-11-20 21:05:50,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:05:53,150 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-20 21:14:02,800 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.