./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:54:55,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:54:55,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:54:55,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:54:55,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:54:55,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:54:55,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:54:55,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:54:55,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:54:55,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:54:55,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:54:55,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:54:55,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:54:55,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:54:55,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:54:55,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:54:55,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:54:55,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:54:55,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:54:55,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:54:55,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:54:55,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:54:55,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:54:55,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:54:55,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:54:55,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:54:55,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:54:55,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:54:55,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:54:55,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:54:55,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:54:55,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:54:55,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:54:55,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:54:55,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:54:55,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:54:55,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:54:55,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:54:55,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:54:55,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:54:55,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:54:55,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 17:54:55,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:54:55,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:54:55,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:54:55,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:54:55,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:54:55,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:54:55,550 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:54:55,551 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:54:55,551 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:54:55,551 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:54:55,552 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:54:55,553 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:54:55,553 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:54:55,553 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:54:55,553 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:54:55,554 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:54:55,554 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:54:55,554 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:54:55,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:54:55,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:54:55,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:54:55,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:54:55,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:54:55,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:54:55,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:54:55,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:54:55,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:54:55,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:54:55,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:54:55,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:54:55,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:54:55,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:54:55,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:54:55,560 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:54:55,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:54:55,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:54:55,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:54:55,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:54:55,561 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c [2021-11-25 17:54:55,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:54:55,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:54:55,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:54:55,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:54:55,897 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:54:55,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2021-11-25 17:54:55,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/data/2090cd59e/1d53779475954a88825c0a6c2b9c158e/FLAGcdd69cd1f [2021-11-25 17:54:56,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:54:56,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2021-11-25 17:54:56,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/data/2090cd59e/1d53779475954a88825c0a6c2b9c158e/FLAGcdd69cd1f [2021-11-25 17:54:57,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/data/2090cd59e/1d53779475954a88825c0a6c2b9c158e [2021-11-25 17:54:57,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:54:57,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:54:57,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:54:57,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:54:57,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:54:57,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:54:57" (1/1) ... [2021-11-25 17:54:57,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347d45ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:57, skipping insertion in model container [2021-11-25 17:54:57,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:54:57" (1/1) ... [2021-11-25 17:54:57,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:54:57,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:54:57,713 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_c5f792bb-2f37-40d9-8c59-1a674a0aec29/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2021-11-25 17:54:57,720 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_c5f792bb-2f37-40d9-8c59-1a674a0aec29/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2021-11-25 17:54:58,724 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:58,724 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:58,725 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:58,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:58,727 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:58,742 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:58,743 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:58,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:58,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,224 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 17:54:59,226 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 17:54:59,227 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 17:54:59,228 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 17:54:59,230 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 17:54:59,231 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 17:54:59,232 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 17:54:59,232 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 17:54:59,233 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 17:54:59,234 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 17:54:59,418 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 17:54:59,601 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,615 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:54:59,742 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:54:59,761 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_c5f792bb-2f37-40d9-8c59-1a674a0aec29/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2021-11-25 17:54:59,762 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_c5f792bb-2f37-40d9-8c59-1a674a0aec29/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2021-11-25 17:54:59,817 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,819 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,819 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:54:59,893 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 17:54:59,896 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 17:54:59,897 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 17:54:59,898 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 17:54:59,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 17:54:59,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 17:54:59,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 17:54:59,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 17:54:59,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 17:54:59,905 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 17:54:59,936 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 17:55:00,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:55:00,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 17:55:00,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:55:00,384 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:55:00,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00 WrapperNode [2021-11-25 17:55:00,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:55:00,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:55:00,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:55:00,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:55:00,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,609 INFO L137 Inliner]: procedures = 691, calls = 2656, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 902 [2021-11-25 17:55:00,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:55:00,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:55:00,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:55:00,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:55:00,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:55:00,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:55:00,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:55:00,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:55:00,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (1/1) ... [2021-11-25 17:55:00,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:55:00,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:55:00,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:55:00,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:55:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-25 17:55:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-25 17:55:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:55:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-25 17:55:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-25 17:55:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:55:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 17:55:00,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 17:55:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:55:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:55:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-25 17:55:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-25 17:55:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:55:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-25 17:55:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-25 17:55:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2021-11-25 17:55:00,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2021-11-25 17:55:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:55:00,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:55:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 17:55:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 17:55:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-25 17:55:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-25 17:55:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 17:55:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 17:55:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-25 17:55:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-25 17:55:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:55:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:55:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2021-11-25 17:55:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2021-11-25 17:55:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:55:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-25 17:55:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-25 17:55:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-25 17:55:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-25 17:55:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2021-11-25 17:55:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2021-11-25 17:55:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:55:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2021-11-25 17:55:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2021-11-25 17:55:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:55:01,212 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:55:01,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:55:02,954 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:55:03,139 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:55:03,140 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 17:55:03,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:55:03 BoogieIcfgContainer [2021-11-25 17:55:03,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:55:03,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:55:03,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:55:03,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:55:03,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:54:57" (1/3) ... [2021-11-25 17:55:03,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267ba25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:55:03, skipping insertion in model container [2021-11-25 17:55:03,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:00" (2/3) ... [2021-11-25 17:55:03,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267ba25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:55:03, skipping insertion in model container [2021-11-25 17:55:03,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:55:03" (3/3) ... [2021-11-25 17:55:03,160 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2021-11-25 17:55:03,169 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:55:03,169 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 17:55:03,231 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:55:03,246 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:55:03,250 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 17:55:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-11-25 17:55:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 17:55:03,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:03,293 INFO L514 BasicCegarLoop]: trace histogram [10, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:55:03,294 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:55:03,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:03,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1697854277, now seen corresponding path program 1 times [2021-11-25 17:55:03,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:03,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056753926] [2021-11-25 17:55:03,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:03,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-25 17:55:11,277 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:11,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056753926] [2021-11-25 17:55:11,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056753926] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 17:55:11,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691860850] [2021-11-25 17:55:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:11,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:55:11,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:55:11,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:55:11,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f792bb-2f37-40d9-8c59-1a674a0aec29/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 17:55:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:11,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 2940 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-25 17:55:11,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:55:12,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 17:55:12,678 INFO L388 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 [2021-11-25 17:55:12,687 INFO L388 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 [2021-11-25 17:55:14,304 INFO L388 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 [2021-11-25 17:55:16,685 INFO L388 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 [2021-11-25 17:55:16,688 INFO L388 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 [2021-11-25 17:55:18,903 INFO L388 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 [2021-11-25 17:55:18,919 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimArr_1 (Array Int Int))) (and (not (= (select v_arrayElimArr_1 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|)) 0)) (= (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1) |c_#memory_$Pointer$.base|))) (exists ((v_ArrVal_172 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_ArrVal_172))) (< 0 |c_#StackHeapBarrier|)) is different from true [2021-11-25 17:55:18,966 INFO L388 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 [2021-11-25 17:55:18,983 INFO L388 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 6 treesize of output 5 [2021-11-25 17:55:28,877 INFO L388 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 [2021-11-25 17:55:29,534 INFO L388 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 [2021-11-25 17:55:29,541 INFO L388 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 9 treesize of output 5 [2021-11-25 17:55:29,968 INFO L354 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2021-11-25 17:55:29,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2021-11-25 17:55:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:29,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 17:55:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:30,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:30,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:30,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:55:30,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:55:30,069 INFO L354 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2021-11-25 17:55:30,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 70 [2021-11-25 17:55:30,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-25 17:55:39,942 INFO L388 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 80 treesize of output 68 [2021-11-25 17:55:40,010 INFO L388 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 10 treesize of output 4 [2021-11-25 17:55:40,026 INFO L388 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 9 treesize of output 3 [2021-11-25 17:55:50,353 INFO L354 Elim1Store]: treesize reduction 16, result has 80.2 percent of original size [2021-11-25 17:55:50,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 153 treesize of output 145 [2021-11-25 17:55:50,567 INFO L354 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2021-11-25 17:55:50,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 36 treesize of output 48 [2021-11-25 17:56:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 45 proven. 73 refuted. 0 times theorem prover too weak. 20 trivial. 1 not checked. [2021-11-25 17:56:08,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 17:56:10,911 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2021-11-25 18:02:54,487 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.