./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.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_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/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_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/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_df943b20-15e3-4410-a0e1-90602ce29914/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 f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 --- 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 02:22:09,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:22:09,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:22:09,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:22:09,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:22:09,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:22:09,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:22:09,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:22:09,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:22:09,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:22:09,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:22:09,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:22:09,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:22:09,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:22:09,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:22:09,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:22:09,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:22:09,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:22:09,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:22:09,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:22:09,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:22:09,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:22:09,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:22:09,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:22:09,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:22:09,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:22:09,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:22:09,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:22:09,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:22:09,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:22:09,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:22:09,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:22:09,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:22:09,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:22:09,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:22:09,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:22:09,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:22:09,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:22:09,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:22:09,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:22:09,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:22:09,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:22:09,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:22:09,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:22:09,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:22:09,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:22:09,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:22:09,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:22:09,469 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:22:09,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:22:09,469 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:22:09,469 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:22:09,471 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:22:09,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:22:09,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:22:09,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:22:09,472 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:22:09,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:22:09,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:22:09,473 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:22:09,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:22:09,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:22:09,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:22:09,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:22:09,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:22:09,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:22:09,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:22:09,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:22:09,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:22:09,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:22:09,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:22:09,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:22:09,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:22:09,479 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:22:09,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:22:09,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:22:09,480 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:22:09,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:22:09,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:22:09,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:22:09,481 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_df943b20-15e3-4410-a0e1-90602ce29914/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 [2022-11-03 02:22:09,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:22:09,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:22:09,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:22:09,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:22:09,809 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:22:09,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2022-11-03 02:22:09,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/data/47a1e6e53/648c139b114f4455a3dd03ce7ecb0fd9/FLAGc72d2dfd6 [2022-11-03 02:22:10,887 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:22:10,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2022-11-03 02:22:10,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/data/47a1e6e53/648c139b114f4455a3dd03ce7ecb0fd9/FLAGc72d2dfd6 [2022-11-03 02:22:11,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/data/47a1e6e53/648c139b114f4455a3dd03ce7ecb0fd9 [2022-11-03 02:22:11,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:22:11,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:22:11,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:22:11,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:22:11,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:22:11,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:22:11" (1/1) ... [2022-11-03 02:22:11,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a3b1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:11, skipping insertion in model container [2022-11-03 02:22:11,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:22:11" (1/1) ... [2022-11-03 02:22:11,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:22:11,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:22:11,846 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_df943b20-15e3-4410-a0e1-90602ce29914/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2022-11-03 02:22:11,857 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_df943b20-15e3-4410-a0e1-90602ce29914/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2022-11-03 02:22:12,912 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:12,913 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:12,914 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:12,915 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:12,916 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:12,952 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:12,953 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:12,955 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:12,963 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:13,470 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:22:13,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:22:13,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:22:13,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:22:13,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:22:13,478 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:22:13,479 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:22:13,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:22:13,481 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:22:13,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:22:13,711 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:22:14,002 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,003 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:22:14,189 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:22:14,219 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_df943b20-15e3-4410-a0e1-90602ce29914/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2022-11-03 02:22:14,226 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_df943b20-15e3-4410-a0e1-90602ce29914/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2022-11-03 02:22:14,273 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,274 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,274 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,275 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,276 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,287 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,288 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,289 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,289 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:22:14,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:22:14,341 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:22:14,342 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:22:14,343 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:22:14,343 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:22:14,344 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:22:14,348 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:22:14,349 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:22:14,349 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:22:14,447 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:22:14,516 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,517 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:22:14,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:22:14,839 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:22:14,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14 WrapperNode [2022-11-03 02:22:14,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:22:14,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:22:14,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:22:14,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:22:14,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:14,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,140 INFO L138 Inliner]: procedures = 690, calls = 2642, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 882 [2022-11-03 02:22:15,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:22:15,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:22:15,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:22:15,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:22:15,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:22:15,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:22:15,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:22:15,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:22:15,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (1/1) ... [2022-11-03 02:22:15,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:22:15,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:22:15,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:22:15,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:22:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2022-11-03 02:22:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2022-11-03 02:22:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:22:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 02:22:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 02:22:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:22:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 02:22:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 02:22:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:22:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:22:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:22:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:22:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:22:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 02:22:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 02:22:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 02:22:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 02:22:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:22:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:22:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:22:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:22:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:22:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:22:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:22:15,850 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:22:15,853 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:22:17,604 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:22:17,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:22:17,913 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:22:17,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:22:17 BoogieIcfgContainer [2022-11-03 02:22:17,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:22:17,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:22:17,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:22:17,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:22:17,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:22:11" (1/3) ... [2022-11-03 02:22:17,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4aa155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:22:17, skipping insertion in model container [2022-11-03 02:22:17,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:22:14" (2/3) ... [2022-11-03 02:22:17,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4aa155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:22:17, skipping insertion in model container [2022-11-03 02:22:17,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:22:17" (3/3) ... [2022-11-03 02:22:17,931 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_harness.i [2022-11-03 02:22:17,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:22:17,956 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:22:18,037 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:22:18,043 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;@7cc38d1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:22:18,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:22:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 35 states have (on average 1.2) internal successors, (42), 36 states have internal predecessors, (42), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-03 02:22:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:22:18,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:18,060 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-03 02:22:18,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:22:18,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:18,066 INFO L85 PathProgramCache]: Analyzing trace with hash -145334995, now seen corresponding path program 1 times [2022-11-03 02:22:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:18,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221146781] [2022-11-03 02:22:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 02:22:36,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:36,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221146781] [2022-11-03 02:22:36,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221146781] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:22:36,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341595515] [2022-11-03 02:22:36,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:36,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:22:36,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:22:36,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:22:36,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df943b20-15e3-4410-a0e1-90602ce29914/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:22:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:42,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 2519 conjuncts, 112 conjunts are in the unsatisfiable core [2022-11-03 02:22:42,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:22:42,925 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 02:22:43,282 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 02:22:43,295 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 02:22:43,310 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 02:22:44,852 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-03 02:22:44,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 26 [2022-11-03 02:22:45,096 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 02:22:45,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-03 02:22:47,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 162 [2022-11-03 02:22:47,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:47,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:47,917 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:47,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 186 [2022-11-03 02:22:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:47,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 203 [2022-11-03 02:22:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:48,054 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:48,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 146 treesize of output 174 [2022-11-03 02:22:48,222 INFO L356 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2022-11-03 02:22:48,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 25 [2022-11-03 02:22:48,602 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:48,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2022-11-03 02:22:48,795 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-03 02:22:48,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-11-03 02:22:48,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:48,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 132 [2022-11-03 02:22:48,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 134 [2022-11-03 02:22:49,108 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 37 [2022-11-03 02:22:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:49,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 37 treesize of output 32 [2022-11-03 02:22:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:49,196 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-03 02:22:49,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 123 [2022-11-03 02:22:49,356 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:22:49,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 33 [2022-11-03 02:22:50,800 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 65 treesize of output 57 [2022-11-03 02:22:50,809 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 57 treesize of output 49 [2022-11-03 02:22:50,825 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:50,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 76 [2022-11-03 02:22:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:50,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:22:52,481 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 14202 disjunctions. This might take some time... [2022-11-03 02:23:11,818 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 13413 disjunctions.