./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/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 a20bc312c925268b19f88154c59a69ecc827a32d81e9712c33fdd20a05f4afe9 --- 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 06:38:18,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:38:18,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:38:18,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:38:18,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:38:18,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:38:18,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:38:18,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:38:18,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:38:18,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:38:18,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:38:18,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:38:18,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:38:18,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:38:18,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:38:18,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:38:18,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:38:18,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:38:18,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:38:18,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:38:18,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:38:18,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:38:18,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:38:18,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:38:18,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:38:18,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:38:18,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:38:18,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:38:18,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:38:18,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:38:18,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:38:18,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:38:18,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:38:18,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:38:18,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:38:18,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:38:18,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:38:18,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:38:18,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:38:18,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:38:18,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:38:18,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:38:18,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:38:18,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:38:18,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:38:18,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:38:18,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:38:18,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:38:18,815 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:38:18,815 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:38:18,816 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:38:18,816 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:38:18,816 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:38:18,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:38:18,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:38:18,816 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:38:18,816 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:38:18,816 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:38:18,816 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:38:18,817 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:38:18,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:38:18,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:38:18,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:38:18,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:38:18,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:38:18,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:38:18,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:38:18,818 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:38:18,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:38:18,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:38:18,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:38:18,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:38:18,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:38:18,819 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:38:18,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:38:18,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:38:18,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:38:18,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:38:18,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:38:18,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:38:18,819 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20bc312c925268b19f88154c59a69ecc827a32d81e9712c33fdd20a05f4afe9 [2022-12-14 06:38:18,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:38:18,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:38:18,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:38:18,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:38:18,997 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:38:18,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i [2022-12-14 06:38:21,625 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:38:21,848 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:38:21,848 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i [2022-12-14 06:38:21,863 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/data/536998ca3/f56e8301c2dc481c890a138d31656685/FLAGe3de48dac [2022-12-14 06:38:21,873 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/data/536998ca3/f56e8301c2dc481c890a138d31656685 [2022-12-14 06:38:21,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:38:21,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:38:21,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:38:21,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:38:21,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:38:21,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:38:21" (1/1) ... [2022-12-14 06:38:21,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ee8a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:21, skipping insertion in model container [2022-12-14 06:38:21,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:38:21" (1/1) ... [2022-12-14 06:38:21,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:38:21,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:38:22,083 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-14 06:38:22,088 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-14 06:38:22,529 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,529 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,530 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,530 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,531 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,541 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,542 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,543 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,544 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,545 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,546 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,547 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,547 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,596 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:22,597 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:22,597 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:22,601 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:38:22,603 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:38:22,603 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:38:22,695 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:38:22,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:38:22,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:38:22,698 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:38:22,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:38:22,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:38:22,701 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:38:22,701 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:38:22,702 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:38:22,702 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:38:22,703 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:38:22,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:38:22,766 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:38:22,775 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-14 06:38:22,776 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-14 06:38:22,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,823 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,823 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,823 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,833 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,833 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,834 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,835 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,836 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,837 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,837 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,838 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:22,844 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:22,844 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:22,844 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:22,847 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:38:22,849 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:38:22,849 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:38:22,852 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:38:22,853 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:38:22,854 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:38:22,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:38:22,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:38:22,856 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:38:22,856 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:38:22,857 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:38:22,857 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:38:22,858 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:38:22,858 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:38:22,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:38:22,970 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:38:22,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22 WrapperNode [2022-12-14 06:38:22,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:38:22,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:38:22,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:38:22,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:38:22,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,038 INFO L138 Inliner]: procedures = 592, calls = 624, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 122 [2022-12-14 06:38:23,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:38:23,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:38:23,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:38:23,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:38:23,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:38:23,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:38:23,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:38:23,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:38:23,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (1/1) ... [2022-12-14 06:38:23,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:38:23,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:38:23,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:38:23,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:38:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:38:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:38:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 06:38:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 06:38:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:38:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:38:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:38:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 06:38:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 06:38:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:38:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-12-14 06:38:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-12-14 06:38:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 06:38:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 06:38:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:38:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:38:23,313 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:38:23,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:38:23,633 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:38:23,817 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:38:23,817 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 06:38:23,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:23 BoogieIcfgContainer [2022-12-14 06:38:23,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:38:23,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:38:23,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:38:23,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:38:23,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:38:21" (1/3) ... [2022-12-14 06:38:23,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df9aed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:38:23, skipping insertion in model container [2022-12-14 06:38:23,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:22" (2/3) ... [2022-12-14 06:38:23,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df9aed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:38:23, skipping insertion in model container [2022-12-14 06:38:23,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:23" (3/3) ... [2022-12-14 06:38:23,827 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_using_uint64_harness_negated.i [2022-12-14 06:38:23,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:38:23,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:38:23,882 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:38:23,888 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;@10c8ef90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:38:23,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:38:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 06:38:23,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:38:23,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:23,898 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:38:23,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:38:23,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1296099915, now seen corresponding path program 1 times [2022-12-14 06:38:23,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:38:23,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419847044] [2022-12-14 06:38:23,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:23,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:38:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:38:24,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:38:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:38:24,426 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 06:38:24,428 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:38:24,429 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 06:38:24,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:38:24,433 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 06:38:24,437 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:38:24,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:38:24 BoogieIcfgContainer [2022-12-14 06:38:24,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:38:24,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:38:24,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:38:24,454 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:38:24,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:23" (3/4) ... [2022-12-14 06:38:24,457 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 06:38:24,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:38:24,458 INFO L158 Benchmark]: Toolchain (without parser) took 2581.02ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 91.2MB in the beginning and 101.4MB in the end (delta: -10.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-14 06:38:24,458 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:38:24,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1093.01ms. Allocated memory is still 130.0MB. Free memory was 91.0MB in the beginning and 80.9MB in the end (delta: 10.1MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2022-12-14 06:38:24,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.44ms. Allocated memory is still 130.0MB. Free memory was 80.9MB in the beginning and 76.0MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 06:38:24,459 INFO L158 Benchmark]: Boogie Preprocessor took 36.69ms. Allocated memory is still 130.0MB. Free memory was 76.0MB in the beginning and 73.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:38:24,459 INFO L158 Benchmark]: RCFGBuilder took 744.23ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 73.2MB in the beginning and 88.3MB in the end (delta: -15.1MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-12-14 06:38:24,459 INFO L158 Benchmark]: TraceAbstraction took 630.82ms. Allocated memory is still 163.6MB. Free memory was 88.3MB in the beginning and 101.4MB in the end (delta: -13.1MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2022-12-14 06:38:24,460 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 163.6MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:38:24,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1093.01ms. Allocated memory is still 130.0MB. Free memory was 91.0MB in the beginning and 80.9MB in the end (delta: 10.1MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.44ms. Allocated memory is still 130.0MB. Free memory was 80.9MB in the beginning and 76.0MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.69ms. Allocated memory is still 130.0MB. Free memory was 76.0MB in the beginning and 73.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.23ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 73.2MB in the beginning and 88.3MB in the end (delta: -15.1MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 630.82ms. Allocated memory is still 163.6MB. Free memory was 88.3MB in the beginning and 101.4MB in the end (delta: -13.1MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 163.6MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 5884. Possible FailurePath: [L5947] CALL memset_using_uint64_harness() [L5937] short d1[160]; [L5938] short d2[160]; [L5939] int c = __VERIFIER_nondet_int(); [L5940] unsigned size = __VERIFIER_nondet_uint(); [L5941] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) [L5941] RET assume_abort_if_not(size < 160) VAL [c=0, d1={10:0}, d2={11:0}, size=0] [L5942] CALL memset_impl(d1, c, size) [L5870] CALL assume_abort_if_not((((n) == 0) || (s))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) [L5870] RET assume_abort_if_not((((n) == 0) || (s))) VAL [c=0, n=0, s={10:0}] [L5871] COND FALSE !(n > 0) VAL [c=0, n=0, s={10:0}] [L5876] return s; [L5942] RET memset_impl(d1, c, size) [L5943] CALL memset_using_uint64_impl(d2, c, size) [L5881] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) [L5881] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [c=0, dst={11:0}, n=0] [L5883] size_t num_uint64s = n >> 3; [L5884] size_t rem = n & 0x7; [L5886] uint8_t *d = (uint8_t *)dst; [L5890] case 7: [L5892] case 6: [L5894] case 5: [L5896] case 4: [L5898] case 3: [L5900] case 2: [L5902] case 1: [L5906] d += rem [L5908] uint64_t compounded = 0; [L5909] COND FALSE !(num_uint64s > 0 && c != 0) [L5921] size_t i = 0; VAL [c=0, chars={9:0}, compounded={9:0}, d={11:0}, dst={11:0}, i=0, n=0, num_uint64s=0, rem=0] [L5921] COND FALSE !(i < num_uint64s) [L5925] return dst; [L5908] uint64_t compounded = 0; [L5925] return dst; [L5943] RET memset_using_uint64_impl(d2, c, size) [L5944] CALL assert_bytes_match(d1, d2, size) [L5654] CALL __VERIFIER_assert(!(!a == !b)) VAL [\old(cond)=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L223] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 06:38:24,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/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 a20bc312c925268b19f88154c59a69ecc827a32d81e9712c33fdd20a05f4afe9 --- 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 06:38:26,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:38:26,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:38:26,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:38:26,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:38:26,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:38:26,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:38:26,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:38:26,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:38:26,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:38:26,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:38:26,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:38:26,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:38:26,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:38:26,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:38:26,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:38:26,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:38:26,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:38:26,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:38:26,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:38:26,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:38:26,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:38:26,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:38:26,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:38:26,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:38:26,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:38:26,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:38:26,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:38:26,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:38:26,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:38:26,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:38:26,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:38:26,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:38:26,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:38:26,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:38:26,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:38:26,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:38:26,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:38:26,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:38:26,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:38:26,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:38:26,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 06:38:26,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:38:26,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:38:26,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:38:26,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:38:26,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:38:26,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:38:26,244 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:38:26,245 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:38:26,245 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:38:26,245 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:38:26,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:38:26,245 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:38:26,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:38:26,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:38:26,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:38:26,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:38:26,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:38:26,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:38:26,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:38:26,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:38:26,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:38:26,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:38:26,247 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:38:26,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:38:26,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:38:26,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:38:26,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:38:26,251 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20bc312c925268b19f88154c59a69ecc827a32d81e9712c33fdd20a05f4afe9 [2022-12-14 06:38:26,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:38:26,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:38:26,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:38:26,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:38:26,491 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:38:26,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i [2022-12-14 06:38:29,020 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:38:29,366 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:38:29,367 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i [2022-12-14 06:38:29,389 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/data/82a6d5ae2/384a1327a3504bf8bbc3033a2fcfaed9/FLAG8c15c51e0 [2022-12-14 06:38:29,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/data/82a6d5ae2/384a1327a3504bf8bbc3033a2fcfaed9 [2022-12-14 06:38:29,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:38:29,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:38:29,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:38:29,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:38:29,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:38:29,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:38:29" (1/1) ... [2022-12-14 06:38:29,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89774d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:29, skipping insertion in model container [2022-12-14 06:38:29,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:38:29" (1/1) ... [2022-12-14 06:38:29,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:38:29,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:38:29,837 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-14 06:38:29,843 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-14 06:38:30,328 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,328 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,329 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,329 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,330 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,340 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,340 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,341 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,342 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,343 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,344 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,344 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,350 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,390 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,391 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,391 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,395 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:38:30,397 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:38:30,397 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:38:30,471 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:38:30,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:38:30,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:38:30,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:38:30,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:38:30,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:38:30,476 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:38:30,476 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:38:30,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:38:30,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:38:30,478 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:38:30,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:38:30,541 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 06:38:30,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:38:30,572 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-14 06:38:30,573 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-14 06:38:30,616 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,617 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,617 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,618 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,618 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,627 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,628 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,629 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,630 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,631 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,632 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,633 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,633 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,641 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,641 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,641 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,645 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:38:30,646 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:38:30,647 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:38:30,650 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:38:30,651 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:38:30,652 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:38:30,653 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:38:30,654 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:38:30,655 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:38:30,655 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:38:30,656 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:38:30,656 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:38:30,657 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:38:30,657 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:38:30,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:38:30,684 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:38:30,693 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-14 06:38:30,694 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_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-14 06:38:30,737 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,737 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,737 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,746 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,746 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,747 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,748 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,749 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,750 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,750 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,751 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:38:30,758 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,759 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,759 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:38:30,762 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:38:30,763 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:38:30,764 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:38:30,769 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:38:30,770 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:38:30,770 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:38:30,771 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:38:30,772 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:38:30,773 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:38:30,773 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:38:30,773 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:38:30,774 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:38:30,774 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:38:30,774 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:38:30,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:38:30,934 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:38:30,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30 WrapperNode [2022-12-14 06:38:30,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:38:30,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:38:30,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:38:30,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:38:30,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:30,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:30,995 INFO L138 Inliner]: procedures = 611, calls = 624, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 122 [2022-12-14 06:38:30,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:38:30,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:38:30,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:38:30,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:38:31,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,030 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:38:31,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:38:31,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:38:31,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:38:31,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (1/1) ... [2022-12-14 06:38:31,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:38:31,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:38:31,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:38:31,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:38:31,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:38:31,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 06:38:31,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-14 06:38:31,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 06:38:31,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 06:38:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:38:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:38:31,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:38:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 06:38:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 06:38:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 06:38:31,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 06:38:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:38:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 06:38:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 06:38:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-12-14 06:38:31,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-12-14 06:38:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 06:38:31,104 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 06:38:31,286 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:38:31,288 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:38:33,771 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:38:33,775 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:38:33,775 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 06:38:33,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:33 BoogieIcfgContainer [2022-12-14 06:38:33,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:38:33,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:38:33,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:38:33,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:38:33,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:38:29" (1/3) ... [2022-12-14 06:38:33,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d17a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:38:33, skipping insertion in model container [2022-12-14 06:38:33,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:30" (2/3) ... [2022-12-14 06:38:33,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d17a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:38:33, skipping insertion in model container [2022-12-14 06:38:33,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:33" (3/3) ... [2022-12-14 06:38:33,782 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_using_uint64_harness_negated.i [2022-12-14 06:38:33,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:38:33,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:38:33,829 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:38:33,833 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;@58429fef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:38:33,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:38:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 54 states have internal predecessors, (71), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 06:38:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 06:38:33,843 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:33,843 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 06:38:33,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:38:33,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:33,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1430345650, now seen corresponding path program 1 times [2022-12-14 06:38:33,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:38:33,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999677025] [2022-12-14 06:38:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:33,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:33,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:38:33,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:38:33,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 06:38:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:34,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 06:38:34,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:38:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 06:38:34,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:38:34,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:38:34,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999677025] [2022-12-14 06:38:34,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999677025] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:38:34,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:38:34,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:38:34,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455562996] [2022-12-14 06:38:34,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:34,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:38:34,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:38:34,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:38:34,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:38:34,136 INFO L87 Difference]: Start difference. First operand has 70 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 54 states have internal predecessors, (71), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 06:38:34,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:38:34,161 INFO L93 Difference]: Finished difference Result 137 states and 191 transitions. [2022-12-14 06:38:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:38:34,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-12-14 06:38:34,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:38:34,168 INFO L225 Difference]: With dead ends: 137 [2022-12-14 06:38:34,168 INFO L226 Difference]: Without dead ends: 62 [2022-12-14 06:38:34,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:38:34,173 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:38:34,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:38:34,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-14 06:38:34,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-12-14 06:38:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 48 states have internal predecessors, (60), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-14 06:38:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2022-12-14 06:38:34,204 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 45 [2022-12-14 06:38:34,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:38:34,204 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2022-12-14 06:38:34,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 06:38:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2022-12-14 06:38:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 06:38:34,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:34,206 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 06:38:34,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:38:34,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:34,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:38:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:34,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1361752392, now seen corresponding path program 1 times [2022-12-14 06:38:34,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:38:34,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381434263] [2022-12-14 06:38:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:34,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:34,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:38:34,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:38:34,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 06:38:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:34,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 06:38:34,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:38:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 06:38:34,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:38:34,805 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:38:34,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381434263] [2022-12-14 06:38:34,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [381434263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:38:34,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:38:34,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 06:38:34,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435802728] [2022-12-14 06:38:34,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:34,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:38:34,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:38:34,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:38:34,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:38:34,808 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 06:38:35,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:38:35,289 INFO L93 Difference]: Finished difference Result 158 states and 203 transitions. [2022-12-14 06:38:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:38:35,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-12-14 06:38:35,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:38:35,291 INFO L225 Difference]: With dead ends: 158 [2022-12-14 06:38:35,291 INFO L226 Difference]: Without dead ends: 109 [2022-12-14 06:38:35,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:38:35,292 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 154 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:38:35,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 301 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 06:38:35,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-12-14 06:38:35,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 67. [2022-12-14 06:38:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 52 states have internal predecessors, (64), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 06:38:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2022-12-14 06:38:35,305 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 45 [2022-12-14 06:38:35,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:38:35,305 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-12-14 06:38:35,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 06:38:35,305 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-12-14 06:38:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 06:38:35,306 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:35,306 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 06:38:35,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 06:38:35,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:35,508 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:38:35,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:35,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1127776570, now seen corresponding path program 1 times [2022-12-14 06:38:35,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:38:35,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575909400] [2022-12-14 06:38:35,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:35,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:35,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:38:35,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:38:35,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 06:38:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:35,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 06:38:35,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:38:36,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 06:38:36,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:38:36,079 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:38:36,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575909400] [2022-12-14 06:38:36,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575909400] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:38:36,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:38:36,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 06:38:36,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703228864] [2022-12-14 06:38:36,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:36,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:38:36,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:38:36,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:38:36,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:38:36,082 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 06:38:36,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:38:36,587 INFO L93 Difference]: Finished difference Result 150 states and 193 transitions. [2022-12-14 06:38:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:38:36,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-12-14 06:38:36,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:38:36,590 INFO L225 Difference]: With dead ends: 150 [2022-12-14 06:38:36,590 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 06:38:36,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:38:36,591 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 139 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:38:36,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 301 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:38:36,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 06:38:36,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 79. [2022-12-14 06:38:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 06:38:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2022-12-14 06:38:36,599 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 45 [2022-12-14 06:38:36,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:38:36,599 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2022-12-14 06:38:36,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 06:38:36,600 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2022-12-14 06:38:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 06:38:36,600 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:36,600 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 06:38:36,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 06:38:36,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:36,802 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:38:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:36,803 INFO L85 PathProgramCache]: Analyzing trace with hash 979847108, now seen corresponding path program 1 times [2022-12-14 06:38:36,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:38:36,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443674367] [2022-12-14 06:38:36,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:36,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:36,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:38:36,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:38:36,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 06:38:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:36,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 06:38:36,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:38:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 06:38:37,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:38:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 06:38:37,468 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:38:37,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [443674367] [2022-12-14 06:38:37,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [443674367] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 06:38:37,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:38:37,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-12-14 06:38:37,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789179909] [2022-12-14 06:38:37,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:37,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:38:37,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:38:37,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:38:37,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:38:37,470 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 06:38:39,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:39,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:38:39,830 INFO L93 Difference]: Finished difference Result 130 states and 161 transitions. [2022-12-14 06:38:39,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:38:39,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-12-14 06:38:39,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:38:39,831 INFO L225 Difference]: With dead ends: 130 [2022-12-14 06:38:39,831 INFO L226 Difference]: Without dead ends: 95 [2022-12-14 06:38:39,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:38:39,832 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 106 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:38:39,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 321 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 06:38:39,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-14 06:38:39,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 83. [2022-12-14 06:38:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 68 states have internal predecessors, (80), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 06:38:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2022-12-14 06:38:39,839 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 102 transitions. Word has length 45 [2022-12-14 06:38:39,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:38:39,840 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-12-14 06:38:39,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 06:38:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2022-12-14 06:38:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 06:38:39,840 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:39,841 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 06:38:39,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 06:38:40,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:40,041 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:38:40,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:40,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1659905478, now seen corresponding path program 1 times [2022-12-14 06:38:40,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:38:40,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854682763] [2022-12-14 06:38:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:40,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:40,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:38:40,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:38:40,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 06:38:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:38:40,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:38:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:38:40,246 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 06:38:40,247 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:38:40,248 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 06:38:40,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 06:38:40,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:38:40,455 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 06:38:40,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:38:40,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:38:40 BoogieIcfgContainer [2022-12-14 06:38:40,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:38:40,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:38:40,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:38:40,520 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:38:40,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:33" (3/4) ... [2022-12-14 06:38:40,523 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 06:38:40,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:38:40,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:38:40,565 INFO L158 Benchmark]: Toolchain (without parser) took 10983.13ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.3MB in the beginning and 30.9MB in the end (delta: 11.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-12-14 06:38:40,565 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:38:40,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1352.53ms. Allocated memory is still 69.2MB. Free memory was 42.1MB in the beginning and 28.8MB in the end (delta: 13.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-12-14 06:38:40,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.11ms. Allocated memory is still 69.2MB. Free memory was 28.8MB in the beginning and 23.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 06:38:40,566 INFO L158 Benchmark]: Boogie Preprocessor took 39.30ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 23.7MB in the beginning and 48.5MB in the end (delta: -24.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-12-14 06:38:40,566 INFO L158 Benchmark]: RCFGBuilder took 2740.65ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 44.5MB in the end (delta: 3.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 06:38:40,566 INFO L158 Benchmark]: TraceAbstraction took 6741.68ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 35.1MB in the end (delta: 8.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-12-14 06:38:40,566 INFO L158 Benchmark]: Witness Printer took 44.37ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 30.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:38:40,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1352.53ms. Allocated memory is still 69.2MB. Free memory was 42.1MB in the beginning and 28.8MB in the end (delta: 13.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.11ms. Allocated memory is still 69.2MB. Free memory was 28.8MB in the beginning and 23.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.30ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 23.7MB in the beginning and 48.5MB in the end (delta: -24.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2740.65ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 44.5MB in the end (delta: 3.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6741.68ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 35.1MB in the end (delta: 8.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 44.37ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 30.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5947] CALL memset_using_uint64_harness() [L5937] short d1[160]; [L5938] short d2[160]; [L5939] int c = __VERIFIER_nondet_int(); [L5940] unsigned size = __VERIFIER_nondet_uint(); [L5941] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5941] RET assume_abort_if_not(size < 160) VAL [d1={15:0}, d2={5:0}, size=0] [L5942] CALL memset_impl(d1, c, size) [L5870] CALL assume_abort_if_not((((n) == 0) || (s))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5870] RET assume_abort_if_not((((n) == 0) || (s))) VAL [c=0, n=0, s={15:0}] [L5871] COND FALSE !(n > 0) VAL [c=0, n=0, s={15:0}] [L5876] return s; VAL [c=0, n=0, s={15:0}] [L5942] RET memset_impl(d1, c, size) [L5943] CALL memset_using_uint64_impl(d2, c, size) [L5881] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5881] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [c=0, dst={5:0}, n=0] [L5883] size_t num_uint64s = n >> 3; [L5884] size_t rem = n & 0x7; [L5886] uint8_t *d = (uint8_t *)dst; [L5890] case 7: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5892] case 6: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5894] case 5: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5896] case 4: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5898] case 3: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5900] case 2: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5902] case 1: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5906] d += rem [L5908] uint64_t compounded = 0; VAL [c=0, compounded={7:0}, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5909] COND FALSE !(num_uint64s > 0 && c != 0) VAL [c=0, compounded={7:0}, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5921] size_t i = 0; VAL [c=0, compounded={7:0}, d={5:0}, dst={5:0}, i=0, n=0, num_uint64s=0, rem=0] [L5921] COND FALSE !(i < num_uint64s) VAL [c=0, compounded={7:0}, d={5:0}, dst={5:0}, i=0, n=0, num_uint64s=0, rem=0] [L5925] return dst; [L5908] uint64_t compounded = 0; [L5925] return dst; VAL [c=0, d={5:0}, dst={5:0}, i=0, n=0, num_uint64s=0, rem=0] [L5943] RET memset_using_uint64_impl(d2, c, size) [L5944] CALL assert_bytes_match(d1, d2, size) [L5654] CALL __VERIFIER_assert(!(!a == !b)) VAL [\old(cond)=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L223] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 414 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 1012 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 685 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 327 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 78 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 220 ConstructedInterpolants, 25 QuantifiedInterpolants, 669 SizeOfPredicates, 19 NumberOfNonLiveVariables, 913 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 54/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 06:38:40,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15fda7a-9da1-47c5-acd5-e63b5f4af68d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE