./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/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_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/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_25a67c83-dd0a-4511-926d-fd2534fb1ca9/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_25a67c83-dd0a-4511-926d-fd2534fb1ca9/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 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:41:04,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:41:04,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:41:04,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:41:04,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:41:04,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:41:04,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:41:04,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:41:04,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:41:04,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:41:04,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:41:04,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:41:04,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:41:04,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:41:04,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:41:04,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:41:04,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:41:04,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:41:04,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:41:04,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:41:04,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:41:04,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:41:04,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:41:04,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:41:04,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:41:04,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:41:04,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:41:04,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:41:04,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:41:04,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:41:04,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:41:04,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:41:04,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:41:04,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:41:04,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:41:04,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:41:04,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:41:04,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:41:04,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:41:04,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:41:04,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:41:04,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:41:04,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:41:04,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:41:04,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:41:04,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:41:04,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:41:04,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:41:04,561 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:41:04,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:41:04,562 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:41:04,562 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:41:04,563 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:41:04,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:41:04,563 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:41:04,564 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:41:04,564 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:41:04,564 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:41:04,564 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:41:04,565 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:41:04,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:41:04,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:41:04,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:41:04,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:41:04,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:41:04,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:41:04,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:41:04,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:41:04,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:41:04,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:41:04,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:41:04,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:04,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:41:04,568 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:41:04,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:41:04,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:41:04,569 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:41:04,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:41:04,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:41:04,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:41:04,570 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_25a67c83-dd0a-4511-926d-fd2534fb1ca9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c [2022-11-03 01:41:04,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:41:04,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:41:04,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:41:04,921 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:41:04,922 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:41:04,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-03 01:41:04,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/data/80269a81b/c1a48e35a8554c739c5a7dd04dcfbd9e/FLAG84dd4ce3a [2022-11-03 01:41:05,841 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:41:05,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-03 01:41:05,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/data/80269a81b/c1a48e35a8554c739c5a7dd04dcfbd9e/FLAG84dd4ce3a [2022-11-03 01:41:06,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/data/80269a81b/c1a48e35a8554c739c5a7dd04dcfbd9e [2022-11-03 01:41:06,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:41:06,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:41:06,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:06,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:41:06,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:41:06,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:06" (1/1) ... [2022-11-03 01:41:06,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d9c023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:06, skipping insertion in model container [2022-11-03 01:41:06,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:06" (1/1) ... [2022-11-03 01:41:06,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:41:06,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:41:06,781 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_25a67c83-dd0a-4511-926d-fd2534fb1ca9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-03 01:41:06,787 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_25a67c83-dd0a-4511-926d-fd2534fb1ca9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-03 01:41:07,777 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:07,777 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:07,778 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:07,779 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:07,780 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:07,794 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:07,794 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:07,796 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:07,797 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,152 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 01:41:08,153 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 01:41:08,156 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 01:41:08,158 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 01:41:08,159 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 01:41:08,160 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 01:41:08,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 01:41:08,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 01:41:08,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 01:41:08,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 01:41:08,451 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 01:41:08,626 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,628 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:41:08,744 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:41:08,757 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_25a67c83-dd0a-4511-926d-fd2534fb1ca9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-03 01:41:08,758 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_25a67c83-dd0a-4511-926d-fd2534fb1ca9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-03 01:41:08,788 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,788 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,789 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,789 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,790 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,795 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,796 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,797 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,797 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:08,876 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 01:41:08,881 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 01:41:08,881 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 01:41:08,882 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 01:41:08,884 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 01:41:08,885 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 01:41:08,885 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 01:41:08,886 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 01:41:08,886 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 01:41:08,887 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 01:41:08,924 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 01:41:09,029 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:09,030 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:41:09,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:41:09,376 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:41:09,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09 WrapperNode [2022-11-03 01:41:09,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:09,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:41:09,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:41:09,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:41:09,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,606 INFO L138 Inliner]: procedures = 691, calls = 2656, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 902 [2022-11-03 01:41:09,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:41:09,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:41:09,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:41:09,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:41:09,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:41:09,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:41:09,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:41:09,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:41:09,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (1/1) ... [2022-11-03 01:41:09,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:09,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:41:09,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:41:09,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:41:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-03 01:41:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-03 01:41:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:41:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 01:41:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 01:41:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:41:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 01:41:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 01:41:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:41:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:41:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-03 01:41:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-03 01:41:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:41:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 01:41:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 01:41:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-03 01:41:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-03 01:41:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:41:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:41:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 01:41:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 01:41:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 01:41:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 01:41:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:41:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:41:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 01:41:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 01:41:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:41:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:41:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-03 01:41:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-03 01:41:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:41:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 01:41:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 01:41:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 01:41:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 01:41:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-11-03 01:41:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-11-03 01:41:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:41:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-11-03 01:41:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-11-03 01:41:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:41:10,203 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:41:10,206 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:41:11,497 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:41:11,741 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:41:11,742 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:41:11,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:41:11 BoogieIcfgContainer [2022-11-03 01:41:11,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:41:11,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:41:11,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:41:11,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:41:11,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:41:06" (1/3) ... [2022-11-03 01:41:11,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449bc0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:41:11, skipping insertion in model container [2022-11-03 01:41:11,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:09" (2/3) ... [2022-11-03 01:41:11,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449bc0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:41:11, skipping insertion in model container [2022-11-03 01:41:11,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:41:11" (3/3) ... [2022-11-03 01:41:11,758 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-03 01:41:11,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:41:11,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:41:11,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:41:11,867 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;@408cbdca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:41:11,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:41:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-03 01:41:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-03 01:41:11,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:11,893 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:11,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:41:11,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:11,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1697854277, now seen corresponding path program 1 times [2022-11-03 01:41:11,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:11,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075885619] [2022-11-03 01:41:11,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:11,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 19 proven. 18 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-03 01:41:45,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:45,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075885619] [2022-11-03 01:41:45,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075885619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:41:45,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050059715] [2022-11-03 01:41:45,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:45,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:41:45,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:41:45,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:41:45,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a67c83-dd0a-4511-926d-fd2534fb1ca9/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:41:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:46,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 2940 conjuncts, 220 conjunts are in the unsatisfiable core [2022-11-03 01:41:46,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:41:46,523 INFO L390 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 [2022-11-03 01:41:47,085 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 01:41:47,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 01:41:51,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-03 01:41:51,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-03 01:41:56,215 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 01:41:56,218 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 01:42:00,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-03 01:42:00,462 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_arrayElimArr_1 (Array Int Int))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1)) (not (= (select v_arrayElimArr_1 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|)) 0)))) (exists ((v_ArrVal_172 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_ArrVal_172) |c_#memory_int|))) is different from true [2022-11-03 01:42:00,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-03 01:42:00,506 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-11-03 01:42:13,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2022-11-03 01:42:13,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-03 01:42:14,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 12 [2022-11-03 01:42:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:42:15,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:42:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:42:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:42:15,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:42:15,374 INFO L356 Elim1Store]: treesize reduction 56, result has 39.8 percent of original size [2022-11-03 01:42:15,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 71 treesize of output 91 [2022-11-03 01:42:26,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 128 [2022-11-03 01:42:26,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 112 [2022-11-03 01:42:26,792 INFO L356 Elim1Store]: treesize reduction 16, result has 80.2 percent of original size [2022-11-03 01:42:26,792 INFO L390 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 21 case distinctions, treesize of input 225 treesize of output 201 [2022-11-03 01:42:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 34 proven. 74 refuted. 0 times theorem prover too weak. 30 trivial. 1 not checked. [2022-11-03 01:42:27,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:42:30,153 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-03 01:50:19,692 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.