./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 8393723b 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_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/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_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/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_6392cad0-8225-4ba0-a9af-1c946a2aee49/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_6392cad0-8225-4ba0-a9af-1c946a2aee49/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 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-8393723 [2022-11-19 07:11:05,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:11:05,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:11:05,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:11:05,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:11:05,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:11:05,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:11:05,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:11:05,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:11:05,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:11:05,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:11:05,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:11:05,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:11:05,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:11:05,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:11:05,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:11:05,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:11:05,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:11:05,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:11:05,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:11:05,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:11:05,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:11:05,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:11:05,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:11:05,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:11:05,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:11:05,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:11:05,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:11:05,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:11:05,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:11:05,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:11:05,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:11:05,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:11:05,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:11:05,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:11:05,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:11:05,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:11:05,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:11:05,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:11:05,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:11:05,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:11:05,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:11:05,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:11:05,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:11:05,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:11:05,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:11:05,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:11:05,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:11:05,875 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:11:05,876 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:11:05,876 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:11:05,876 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:11:05,877 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:11:05,877 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:11:05,878 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:11:05,878 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:11:05,878 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:11:05,878 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:11:05,879 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:11:05,879 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:11:05,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:11:05,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:11:05,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:11:05,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:11:05,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:11:05,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:11:05,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:11:05,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:11:05,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:11:05,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:11:05,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:11:05,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:11:05,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:11:05,884 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:11:05,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:11:05,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:11:05,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:11:05,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:11:05,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:11:05,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:11:05,886 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_6392cad0-8225-4ba0-a9af-1c946a2aee49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c [2022-11-19 07:11:06,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:11:06,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:11:06,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:11:06,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:11:06,287 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:11:06,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-19 07:11:06,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/data/0c4501b2f/d4d2d237482742469e0b860e2cd0e500/FLAGbd244bccc [2022-11-19 07:11:07,378 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:11:07,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-19 07:11:07,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/data/0c4501b2f/d4d2d237482742469e0b860e2cd0e500/FLAGbd244bccc [2022-11-19 07:11:07,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/data/0c4501b2f/d4d2d237482742469e0b860e2cd0e500 [2022-11-19 07:11:07,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:11:07,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:11:07,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:11:07,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:11:07,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:11:07,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:11:07" (1/1) ... [2022-11-19 07:11:07,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a44e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:07, skipping insertion in model container [2022-11-19 07:11:07,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:11:07" (1/1) ... [2022-11-19 07:11:07,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:11:07,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:11:08,328 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_6392cad0-8225-4ba0-a9af-1c946a2aee49/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-19 07:11:08,337 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_6392cad0-8225-4ba0-a9af-1c946a2aee49/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-19 07:11:09,501 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:09,502 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:09,503 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:09,504 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:09,506 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:09,523 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:09,524 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:09,527 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:09,528 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,068 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:11:10,069 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:11:10,071 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:11:10,074 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:11:10,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:11:10,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:11:10,088 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:11:10,090 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:11:10,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:11:10,095 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:11:10,302 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:11:10,439 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,440 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:11:10,575 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:11:10,601 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_6392cad0-8225-4ba0-a9af-1c946a2aee49/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-19 07:11:10,610 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_6392cad0-8225-4ba0-a9af-1c946a2aee49/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-19 07:11:10,670 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,683 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,684 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,684 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,685 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,694 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,705 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,707 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,707 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,778 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:11:10,779 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:11:10,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:11:10,782 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:11:10,787 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:11:10,788 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:11:10,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:11:10,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:11:10,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:11:10,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:11:10,885 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:11:10,995 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:10,996 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:11:11,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:11:11,363 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:11:11,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11 WrapperNode [2022-11-19 07:11:11,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:11:11,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:11:11,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:11:11,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:11:11,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,604 INFO L138 Inliner]: procedures = 691, calls = 2655, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 901 [2022-11-19 07:11:11,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:11:11,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:11:11,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:11:11,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:11:11,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:11:11,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:11:11,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:11:11,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:11:11,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (1/1) ... [2022-11-19 07:11:11,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:11:11,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:11,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:11:11,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:11:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-19 07:11:11,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-19 07:11:11,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:11:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 07:11:11,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 07:11:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:11:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:11:11,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:11:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:11:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:11:11,827 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-19 07:11:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-19 07:11:11,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:11:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-19 07:11:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-19 07:11:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-19 07:11:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-19 07:11:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:11:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:11:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 07:11:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 07:11:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-19 07:11:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-19 07:11:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:11:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:11:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-19 07:11:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-19 07:11:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:11:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:11:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-19 07:11:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-19 07:11:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:11:11,835 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 07:11:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 07:11:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-19 07:11:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-19 07:11:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-11-19 07:11:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-11-19 07:11:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:11:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-11-19 07:11:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-11-19 07:11:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:11:12,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:11:12,292 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:11:14,012 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:11:14,294 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:11:14,295 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:11:14,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:11:14 BoogieIcfgContainer [2022-11-19 07:11:14,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:11:14,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:11:14,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:11:14,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:11:14,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:11:07" (1/3) ... [2022-11-19 07:11:14,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae40a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:11:14, skipping insertion in model container [2022-11-19 07:11:14,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:11" (2/3) ... [2022-11-19 07:11:14,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae40a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:11:14, skipping insertion in model container [2022-11-19 07:11:14,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:11:14" (3/3) ... [2022-11-19 07:11:14,316 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-19 07:11:14,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:11:14,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:11:14,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:11:14,454 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;@2ad8ffe3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:11:14,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:11:14,461 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) [2022-11-19 07:11:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-19 07:11:14,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:14,485 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] [2022-11-19 07:11:14,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:14,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:14,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1697854277, now seen corresponding path program 1 times [2022-11-19 07:11:14,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:14,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431716612] [2022-11-19 07:11:14,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:14,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-19 07:11:41,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:41,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431716612] [2022-11-19 07:11:41,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431716612] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:11:41,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585073386] [2022-11-19 07:11:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:41,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:41,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:41,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:11:41,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392cad0-8225-4ba0-a9af-1c946a2aee49/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:11:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:42,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 240 conjunts are in the unsatisfiable core [2022-11-19 07:11:42,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:43,016 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 [2022-11-19 07:11:43,632 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 07:11:43,639 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 07:11:49,138 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 07:11:49,158 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 07:11:53,611 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 07:11:53,615 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 07:11:57,897 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 07:11:57,908 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_arrayElimArr_1 (Array Int Int))) (and (= |c_#memory_$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 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|)) 0)))) (exists ((v_ArrVal_172 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_ArrVal_172) |c_#memory_int|))) is different from true [2022-11-19 07:11:57,939 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 [2022-11-19 07:11:57,958 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 36 treesize of output 34 [2022-11-19 07:12:11,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 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 07:12:11,932 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 [2022-11-19 07:12:12,720 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 30 treesize of output 12 [2022-11-19 07:12:13,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 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 07:12:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:12:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:12:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:12:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:12:13,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:12:13,959 INFO L321 Elim1Store]: treesize reduction 56, result has 39.8 percent of original size [2022-11-19 07:12:13,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 07:12:34,718 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 145 treesize of output 129 [2022-11-19 07:12:34,742 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 129 treesize of output 113 [2022-11-19 07:12:35,559 INFO L321 Elim1Store]: treesize reduction 32, result has 84.7 percent of original size [2022-11-19 07:12:35,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 52 case distinctions, treesize of input 268 treesize of output 332 [2022-11-19 07:12:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 32 proven. 78 refuted. 0 times theorem prover too weak. 28 trivial. 1 not checked. [2022-11-19 07:12:38,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:12:42,758 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-19 07:21:30,072 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.