./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh --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 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa --- 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-2329fc7 [2022-12-14 05:38:22,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:38:22,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:38:22,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:38:22,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:38:22,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:38:22,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:38:22,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:38:22,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:38:22,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:38:22,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:38:22,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:38:22,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:38:22,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:38:22,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:38:22,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:38:22,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:38:22,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:38:22,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:38:22,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:38:22,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:38:22,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:38:22,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:38:22,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:38:22,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:38:22,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:38:22,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:38:22,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:38:22,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:38:22,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:38:22,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:38:22,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:38:22,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:38:22,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:38:22,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:38:22,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:38:22,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:38:22,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:38:22,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:38:22,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:38:22,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:38:22,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:38:22,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:38:22,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:38:22,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:38:22,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:38:22,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:38:22,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:38:22,143 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:38:22,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:38:22,143 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:38:22,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:38:22,143 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:38:22,143 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:38:22,144 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:38:22,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:38:22,144 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:38:22,144 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:38:22,144 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:38:22,144 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:38:22,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:38:22,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:38:22,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:38:22,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:38:22,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:38:22,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:38:22,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:38:22,146 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:38:22,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:38:22,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:38:22,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:38:22,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:38:22,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:38:22,147 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:38:22,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:38:22,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:38:22,148 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:38:22,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:38:22,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:38:22,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:38:22,148 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_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa [2022-12-14 05:38:22,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:38:22,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:38:22,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:38:22,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:38:22,356 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:38:22,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2022-12-14 05:38:24,983 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:38:25,256 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:38:25,257 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2022-12-14 05:38:25,283 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/data/0bd46ea2f/63dd9e0f50824908af162d4d78a12922/FLAGa3c74036e [2022-12-14 05:38:25,295 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/data/0bd46ea2f/63dd9e0f50824908af162d4d78a12922 [2022-12-14 05:38:25,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:38:25,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:38:25,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:38:25,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:38:25,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:38:25,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:38:25" (1/1) ... [2022-12-14 05:38:25,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3763ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:25, skipping insertion in model container [2022-12-14 05:38:25,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:38:25" (1/1) ... [2022-12-14 05:38:25,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:38:25,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:38:25,573 WARN L237 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_871ce342-5dff-4e6f-85db-5a09c58970d8/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2022-12-14 05:38:25,579 WARN L237 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_871ce342-5dff-4e6f-85db-5a09c58970d8/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2022-12-14 05:38:26,139 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,143 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,143 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,143 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,144 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,145 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,146 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,154 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,154 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,154 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,156 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,156 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,213 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:38:26,213 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:38:26,214 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:38:26,217 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:38:26,218 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:38:26,219 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:38:26,425 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:38:26,426 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:38:26,426 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:38:26,427 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:38:26,428 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:38:26,429 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:38:26,429 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:38:26,430 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:38:26,430 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:38:26,430 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:38:26,431 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:38:26,544 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:38:26,564 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,570 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,572 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 05:38:26,579 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:38:26,586 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,590 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,591 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,592 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,600 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:38:26,605 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,605 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,609 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,614 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,646 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 05:38:26,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:38:26,678 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:38:26,687 WARN L237 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_871ce342-5dff-4e6f-85db-5a09c58970d8/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2022-12-14 05:38:26,687 WARN L237 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_871ce342-5dff-4e6f-85db-5a09c58970d8/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2022-12-14 05:38:26,711 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,713 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,713 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,713 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,713 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,714 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,715 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,719 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,719 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,719 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,720 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,720 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,725 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:38:26,725 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:38:26,726 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:38:26,728 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:38:26,729 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:38:26,729 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:38:26,744 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:38:26,744 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:38:26,745 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:38:26,746 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:38:26,746 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:38:26,747 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:38:26,747 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:38:26,748 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:38:26,748 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:38:26,748 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:38:26,749 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:38:26,763 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:38:26,775 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,780 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,781 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 05:38:26,817 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:38:26,823 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,826 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,827 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,828 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,834 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:38:26,840 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,840 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:38:26,844 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,849 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:38:26,867 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 05:38:26,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:38:27,038 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:38:27,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27 WrapperNode [2022-12-14 05:38:27,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:38:27,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:38:27,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:38:27,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:38:27,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,125 INFO L138 Inliner]: procedures = 691, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2022-12-14 05:38:27,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:38:27,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:38:27,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:38:27,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:38:27,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,196 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:38:27,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:38:27,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:38:27,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:38:27,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (1/1) ... [2022-12-14 05:38:27,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:38:27,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:38:27,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:38:27,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:38:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2022-12-14 05:38:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-12-14 05:38:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-12-14 05:38:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2022-12-14 05:38:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2022-12-14 05:38:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:38:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 05:38:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 05:38:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:38:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 05:38:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 05:38:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:38:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:38:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:38:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 05:38:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 05:38:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:38:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:38:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 05:38:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 05:38:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 05:38:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 05:38:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 05:38:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 05:38:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 05:38:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 05:38:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:38:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:38:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-12-14 05:38:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-12-14 05:38:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:38:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 05:38:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 05:38:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:38:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:38:27,474 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:38:27,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:38:28,325 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:38:28,520 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:38:28,520 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 05:38:28,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:38:28 BoogieIcfgContainer [2022-12-14 05:38:28,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:38:28,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:38:28,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:38:28,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:38:28,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:38:25" (1/3) ... [2022-12-14 05:38:28,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711e8aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:38:28, skipping insertion in model container [2022-12-14 05:38:28,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:38:27" (2/3) ... [2022-12-14 05:38:28,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711e8aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:38:28, skipping insertion in model container [2022-12-14 05:38:28,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:38:28" (3/3) ... [2022-12-14 05:38:28,530 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2022-12-14 05:38:28,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:38:28,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:38:28,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:38:28,591 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;@31e791f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:38:28,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:38:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-12-14 05:38:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 05:38:28,602 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:38:28,602 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 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] [2022-12-14 05:38:28,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:38:28,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:38:28,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1440680096, now seen corresponding path program 1 times [2022-12-14 05:38:28,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:38:28,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607330783] [2022-12-14 05:38:28,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:38:28,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:38:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:38:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 05:38:38,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:38:38,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607330783] [2022-12-14 05:38:38,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607330783] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:38:38,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681471654] [2022-12-14 05:38:38,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:38:38,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:38:38,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:38:38,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:38:38,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871ce342-5dff-4e6f-85db-5a09c58970d8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:38:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:38:38,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 141 conjunts are in the unsatisfiable core [2022-12-14 05:38:38,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:38:38,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 05:38:41,229 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 05:38:41,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 11 [2022-12-14 05:38:41,403 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 05:38:41,403 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 05:38:48,160 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 05:38:48,161 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 45 treesize of output 47 [2022-12-14 05:39:02,594 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:39:02,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 271 [2022-12-14 05:39:02,690 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:39:02,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 273 treesize of output 289 [2022-12-14 05:39:02,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:39:02,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 171 [2022-12-14 05:39:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:39:03,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:39:06,018 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-12-14 05:45:45,122 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.