./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:24:16,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:24:16,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:24:16,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:24:16,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:24:16,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:24:16,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:24:16,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:24:16,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:24:16,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:24:16,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:24:16,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:24:16,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:24:16,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:24:16,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:24:16,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:24:16,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:24:16,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:24:16,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:24:16,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:24:16,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:24:16,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:24:16,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:24:16,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:24:16,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:24:16,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:24:16,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:24:16,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:24:16,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:24:16,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:24:16,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:24:16,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:24:16,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:24:16,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:24:16,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:24:16,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:24:16,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:24:16,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:24:16,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:24:16,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:24:16,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:24:16,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:24:16,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:24:16,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:24:16,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:24:16,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:24:16,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:24:16,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:24:16,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:24:16,336 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:24:16,336 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:24:16,336 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:24:16,337 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:24:16,338 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:24:16,338 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:24:16,338 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:24:16,338 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:24:16,339 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:24:16,339 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:24:16,339 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:24:16,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:24:16,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:24:16,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:24:16,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:24:16,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:24:16,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:24:16,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:24:16,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:24:16,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:24:16,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:24:16,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:24:16,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:24:16,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:24:16,344 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:24:16,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:24:16,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:24:16,345 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:24:16,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:24:16,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:24:16,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:24:16,346 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_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2022-11-03 02:24:16,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:24:16,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:24:16,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:24:16,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:24:16,687 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:24:16,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-03 02:24:16,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/data/6fd4ed506/71e119d09283427d9fd53f74e1bfeaea/FLAG18f897096 [2022-11-03 02:24:17,613 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:24:17,613 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-03 02:24:17,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/data/6fd4ed506/71e119d09283427d9fd53f74e1bfeaea/FLAG18f897096 [2022-11-03 02:24:18,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/data/6fd4ed506/71e119d09283427d9fd53f74e1bfeaea [2022-11-03 02:24:18,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:24:18,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:24:18,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:24:18,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:24:18,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:24:18,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:24:18" (1/1) ... [2022-11-03 02:24:18,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1faa049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:18, skipping insertion in model container [2022-11-03 02:24:18,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:24:18" (1/1) ... [2022-11-03 02:24:18,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:24:18,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:24:18,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-11-03 02:24:18,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-11-03 02:24:19,592 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:19,593 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:19,593 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:19,594 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:19,596 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:19,610 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:19,611 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:19,613 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:19,613 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,058 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:24:20,060 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:24:20,061 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:24:20,063 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:24:20,071 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:24:20,075 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:24:20,076 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:24:20,077 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:24:20,080 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:24:20,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:24:20,256 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:24:20,413 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,414 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:24:20,531 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:24:20,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-11-03 02:24:20,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-11-03 02:24:20,591 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,591 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,592 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,592 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,593 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,601 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,603 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,606 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,606 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,644 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:24:20,645 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:24:20,646 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:24:20,647 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:24:20,648 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:24:20,649 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:24:20,649 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:24:20,650 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:24:20,650 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:24:20,651 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:24:20,675 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:24:20,760 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,761 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:24:20,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:24:21,103 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:24:21,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21 WrapperNode [2022-11-03 02:24:21,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:24:21,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:24:21,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:24:21,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:24:21,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,317 INFO L138 Inliner]: procedures = 691, calls = 2668, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2022-11-03 02:24:21,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:24:21,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:24:21,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:24:21,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:24:21,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,444 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:24:21,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:24:21,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:24:21,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:24:21,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (1/1) ... [2022-11-03 02:24:21,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:24:21,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:24:21,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:24:21,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:24:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-03 02:24:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-03 02:24:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:24:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 02:24:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 02:24:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:24:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 02:24:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 02:24:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:24:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:24:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-03 02:24:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-03 02:24:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:24:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 02:24:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 02:24:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-03 02:24:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-03 02:24:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:24:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:24:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 02:24:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 02:24:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 02:24:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 02:24:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-11-03 02:24:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-11-03 02:24:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:24:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:24:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 02:24:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 02:24:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:24:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:24:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-03 02:24:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-03 02:24:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:24:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 02:24:21,557 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 02:24:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 02:24:21,557 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 02:24:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-11-03 02:24:21,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-11-03 02:24:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:24:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-11-03 02:24:21,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-11-03 02:24:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:24:21,927 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:24:21,930 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:24:23,497 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:24:23,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:24:23,691 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:24:23,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:24:23 BoogieIcfgContainer [2022-11-03 02:24:23,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:24:23,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:24:23,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:24:23,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:24:23,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:24:18" (1/3) ... [2022-11-03 02:24:23,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f298282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:24:23, skipping insertion in model container [2022-11-03 02:24:23,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:21" (2/3) ... [2022-11-03 02:24:23,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f298282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:24:23, skipping insertion in model container [2022-11-03 02:24:23,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:24:23" (3/3) ... [2022-11-03 02:24:23,714 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-03 02:24:23,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:24:23,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:24:23,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:24:23,825 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;@2c1f1bce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:24:23,826 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:24:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-03 02:24:23,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 02:24:23,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:23,851 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:24:23,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:24:23,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:23,860 INFO L85 PathProgramCache]: Analyzing trace with hash -2116786625, now seen corresponding path program 1 times [2022-11-03 02:24:23,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:23,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631587294] [2022-11-03 02:24:23,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:23,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-03 02:24:50,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:50,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631587294] [2022-11-03 02:24:50,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631587294] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:24:50,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21675634] [2022-11-03 02:24:50,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:50,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:24:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:24:50,246 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:24:50,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78d4979-1da7-47d6-b5ca-04fe747b03e3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:24:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:51,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 2992 conjuncts, 247 conjunts are in the unsatisfiable core [2022-11-03 02:24:51,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:24:51,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 02:24:51,822 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:24:51,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-03 02:24:52,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:24:52,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:24:57,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-03 02:24:57,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-03 02:25:01,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 02:25:01,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 02:25:05,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:05,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-03 02:25:06,010 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_arrayElimArr_2 (Array Int Int))) (and (not (= (select v_arrayElimArr_2 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|)) 0)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_2)))) (exists ((v_arrayElimArr_1 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1) |c_#memory_int|))) is different from true [2022-11-03 02:25:06,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-11-03 02:25:06,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-03 02:25:17,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-03 02:25:17,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-03 02:25:18,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:25:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:18,649 INFO L356 Elim1Store]: treesize reduction 56, result has 39.8 percent of original size [2022-11-03 02:25:18,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 86 [2022-11-03 02:25:18,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-03 02:25:27,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 8 [2022-11-03 02:25:35,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 128 [2022-11-03 02:25:35,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 112 [2022-11-03 02:25:37,414 INFO L356 Elim1Store]: treesize reduction 32, result has 89.5 percent of original size [2022-11-03 02:25:37,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 5 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 76 case distinctions, treesize of input 303 treesize of output 447 [2022-11-03 02:25:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 31 proven. 99 refuted. 0 times theorem prover too weak. 20 trivial. 1 not checked. [2022-11-03 02:25:43,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:47,031 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-03 02:33:17,623 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.