./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/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_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/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_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/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 e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb --- 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 05:12:21,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:12:21,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:12:21,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:12:21,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:12:21,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:12:21,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:12:21,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:12:21,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:12:21,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:12:21,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:12:21,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:12:21,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:12:21,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:12:21,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:12:21,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:12:21,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:12:21,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:12:21,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:12:21,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:12:21,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:12:21,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:12:21,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:12:21,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:12:21,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:12:21,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:12:21,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:12:21,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:12:21,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:12:21,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:12:21,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:12:21,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:12:21,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:12:21,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:12:21,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:12:21,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:12:21,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:12:21,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:12:21,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:12:21,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:12:21,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:12:21,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:12:21,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:12:21,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:12:21,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:12:21,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:12:21,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:12:21,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:12:21,636 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:12:21,636 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:12:21,636 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:12:21,636 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:12:21,637 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:12:21,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:12:21,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:12:21,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:12:21,637 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:12:21,637 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:12:21,637 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:12:21,637 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:12:21,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:12:21,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:12:21,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:12:21,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:12:21,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:12:21,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:12:21,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:12:21,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:12:21,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:12:21,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:12:21,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:12:21,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:12:21,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:12:21,639 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:12:21,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:12:21,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:12:21,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:12:21,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:12:21,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:12:21,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:12:21,640 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_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb [2022-12-14 05:12:21,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:12:21,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:12:21,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:12:21,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:12:21,826 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:12:21,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2022-12-14 05:12:24,453 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:12:24,752 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:12:24,752 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2022-12-14 05:12:24,776 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/data/369997cc6/160c4cb741da426e995fc0c51037e179/FLAGda46975d7 [2022-12-14 05:12:24,786 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/data/369997cc6/160c4cb741da426e995fc0c51037e179 [2022-12-14 05:12:24,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:12:24,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:12:24,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:12:24,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:12:24,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:12:24,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:12:24" (1/1) ... [2022-12-14 05:12:24,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55faadbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:24, skipping insertion in model container [2022-12-14 05:12:24,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:12:24" (1/1) ... [2022-12-14 05:12:24,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:12:24,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:12:25,046 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_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2022-12-14 05:12:25,051 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_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2022-12-14 05:12:25,556 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:25,560 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,560 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,561 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,561 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,562 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,564 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:25,571 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,571 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:25,571 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,573 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,573 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:25,625 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:12:25,626 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:12:25,626 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:12:25,629 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:12:25,631 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:12:25,631 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:12:25,846 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:12:25,847 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:12:25,848 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:12:25,848 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:12:25,849 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:12:25,850 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:12:25,851 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:12:25,851 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:12:25,851 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:12:25,852 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:12:25,852 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:12:25,972 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:12:25,995 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,001 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,004 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 05:12:26,011 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:12:26,018 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,023 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,023 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,024 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,033 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:12:26,039 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,039 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,044 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,050 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,090 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 05:12:26,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:12:26,121 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:12:26,131 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_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2022-12-14 05:12:26,131 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_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2022-12-14 05:12:26,152 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,154 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,154 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,154 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,154 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,155 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,156 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,159 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,159 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,160 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,160 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,160 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,165 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:12:26,165 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:12:26,165 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:12:26,167 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:12:26,168 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:12:26,169 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:12:26,181 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:12:26,182 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:12:26,182 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:12:26,183 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:12:26,183 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:12:26,184 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:12:26,184 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:12:26,184 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:12:26,185 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:12:26,185 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:12:26,185 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:12:26,201 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:12:26,211 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,215 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,216 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 05:12:26,220 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:12:26,224 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,227 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,227 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,228 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,233 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:12:26,237 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,237 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:12:26,240 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,243 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 05:12:26,255 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 05:12:26,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:12:26,437 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:12:26,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26 WrapperNode [2022-12-14 05:12:26,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:12:26,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:12:26,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:12:26,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:12:26,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,567 INFO L138 Inliner]: procedures = 691, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2022-12-14 05:12:26,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:12:26,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:12:26,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:12:26,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:12:26,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,627 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:12:26,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:12:26,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:12:26,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:12:26,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (1/1) ... [2022-12-14 05:12:26,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:12:26,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:12:26,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:12:26,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:12:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2022-12-14 05:12:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2022-12-14 05:12:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-12-14 05:12:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 05:12:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 05:12:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 05:12:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:12:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:12:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 05:12:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 05:12:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 05:12:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 05:12:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-12-14 05:12:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 05:12:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2022-12-14 05:12:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2022-12-14 05:12:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:12:26,900 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:12:26,902 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:12:27,771 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:12:27,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:12:27,937 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 05:12:27,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:12:27 BoogieIcfgContainer [2022-12-14 05:12:27,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:12:27,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:12:27,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:12:27,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:12:27,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:12:24" (1/3) ... [2022-12-14 05:12:27,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e48315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:12:27, skipping insertion in model container [2022-12-14 05:12:27,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:12:26" (2/3) ... [2022-12-14 05:12:27,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e48315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:12:27, skipping insertion in model container [2022-12-14 05:12:27,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:12:27" (3/3) ... [2022-12-14 05:12:27,945 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2022-12-14 05:12:27,958 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:12:27,959 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:12:28,002 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:12:28,006 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;@7bb3449c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:12:28,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:12:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 57 states have internal predecessors, (66), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-12-14 05:12:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 05:12:28,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:12:28,018 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, 1, 1, 1, 1] [2022-12-14 05:12:28,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:12:28,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:12:28,022 INFO L85 PathProgramCache]: Analyzing trace with hash 19190140, now seen corresponding path program 1 times [2022-12-14 05:12:28,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:12:28,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626273899] [2022-12-14 05:12:28,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:12:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:12:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:12:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 05:12:39,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:12:39,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626273899] [2022-12-14 05:12:39,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626273899] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:12:39,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361238109] [2022-12-14 05:12:39,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:12:39,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:12:39,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:12:39,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:12:39,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64f31cd-0d46-42c9-84e8-4c1c1e8b7d30/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:12:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:12:40,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 144 conjunts are in the unsatisfiable core [2022-12-14 05:12:40,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:12:40,633 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:12:40,638 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 05:12:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:12:43,281 INFO L350 Elim1Store]: Elim1 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 22 treesize of output 21 [2022-12-14 05:12:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:12:43,303 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 05:12:43,303 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 34 treesize of output 40 [2022-12-14 05:12:50,460 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:12:50,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:12:50,465 INFO L350 Elim1Store]: Elim1 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 22 treesize of output 21 [2022-12-14 05:12:50,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:12:50,479 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 05:12:50,479 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 47 treesize of output 49 [2022-12-14 05:13:03,592 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:13:03,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 78 treesize of output 62 [2022-12-14 05:13:03,636 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:13:03,636 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 17 treesize of output 17 [2022-12-14 05:13:03,906 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 05:13:03,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:13:05,834 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-12-14 05:19:30,324 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.