./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_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_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/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_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/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_6a4883f9-fd42-472c-a7af-97bba3292b54/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 489764fe0dfa0efcb3c4a756357bb10dbad4a656c8e3e512b897a17730f5d7c8 --- 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 15:23:31,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:23:31,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:23:31,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:23:31,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:23:31,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:23:31,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:23:31,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:23:31,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:23:31,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:23:32,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:23:32,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:23:32,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:23:32,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:23:32,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:23:32,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:23:32,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:23:32,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:23:32,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:23:32,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:23:32,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:23:32,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:23:32,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:23:32,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:23:32,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:23:32,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:23:32,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:23:32,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:23:32,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:23:32,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:23:32,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:23:32,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:23:32,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:23:32,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:23:32,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:23:32,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:23:32,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:23:32,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:23:32,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:23:32,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:23:32,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:23:32,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:23:32,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:23:32,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:23:32,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:23:32,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:23:32,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:23:32,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:23:32,048 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:23:32,048 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:23:32,048 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:23:32,048 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:23:32,048 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:23:32,049 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:23:32,049 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:23:32,049 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:23:32,049 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:23:32,049 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:23:32,049 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:23:32,050 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:23:32,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:23:32,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:23:32,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:23:32,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:23:32,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:23:32,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:23:32,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:23:32,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:23:32,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:23:32,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:23:32,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:23:32,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:23:32,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:23:32,052 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:23:32,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:23:32,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:23:32,053 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:23:32,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:23:32,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:23:32,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:23:32,053 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_6a4883f9-fd42-472c-a7af-97bba3292b54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 489764fe0dfa0efcb3c4a756357bb10dbad4a656c8e3e512b897a17730f5d7c8 [2022-12-14 15:23:32,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:23:32,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:23:32,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:23:32,278 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:23:32,278 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:23:32,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2022-12-14 15:23:34,861 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:23:35,214 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:23:35,214 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2022-12-14 15:23:35,233 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/data/c2fc14753/c514599f03104c8ba1f52d66caccf840/FLAGd5ad69c8d [2022-12-14 15:23:35,422 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/data/c2fc14753/c514599f03104c8ba1f52d66caccf840 [2022-12-14 15:23:35,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:23:35,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:23:35,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:23:35,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:23:35,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:23:35,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:23:35" (1/1) ... [2022-12-14 15:23:35,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ddbe14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:35, skipping insertion in model container [2022-12-14 15:23:35,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:23:35" (1/1) ... [2022-12-14 15:23:35,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:23:35,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:23:35,676 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_6a4883f9-fd42-472c-a7af-97bba3292b54/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i[4499,4512] [2022-12-14 15:23:35,683 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_6a4883f9-fd42-472c-a7af-97bba3292b54/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i[4559,4572] [2022-12-14 15:23:36,440 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,441 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,441 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,442 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,443 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,453 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,455 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,456 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:36,549 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:23:36,549 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:23:36,550 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:23:36,553 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:23:36,555 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:23:36,555 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:23:36,835 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:23:36,836 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:23:36,837 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:23:36,838 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:23:36,839 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:23:36,841 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:23:36,841 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:23:36,842 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:23:36,843 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:23:36,844 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:23:36,844 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:23:36,970 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:23:36,997 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:23:37,006 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:23:37,032 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:23:37,041 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,041 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,102 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:23:37,112 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:23:37,114 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:23:37,120 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:23:37,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:23:37,174 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:23:37,183 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_6a4883f9-fd42-472c-a7af-97bba3292b54/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i[4499,4512] [2022-12-14 15:23:37,184 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_6a4883f9-fd42-472c-a7af-97bba3292b54/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i[4559,4572] [2022-12-14 15:23:37,206 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,206 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,206 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,207 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,207 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,211 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,211 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,212 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,212 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,216 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:23:37,217 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:23:37,217 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:23:37,219 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:23:37,220 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:23:37,220 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:23:37,233 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:23:37,234 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:23:37,235 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:23:37,235 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:23:37,236 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:23:37,236 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:23:37,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:23:37,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:23:37,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:23:37,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:23:37,238 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:23:37,250 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:23:37,265 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:23:37,269 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:23:37,281 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:23:37,286 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,286 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:23:37,321 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:23:37,324 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:23:37,325 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:23:37,328 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:23:37,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:23:37,473 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:23:37,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37 WrapperNode [2022-12-14 15:23:37,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:23:37,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:23:37,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:23:37,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:23:37,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,577 INFO L138 Inliner]: procedures = 693, calls = 2771, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 807 [2022-12-14 15:23:37,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:23:37,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:23:37,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:23:37,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:23:37,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,617 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:23:37,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:23:37,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:23:37,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:23:37,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (1/1) ... [2022-12-14 15:23:37,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:23:37,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:23:37,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:23:37,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:23:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-12-14 15:23:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-12-14 15:23:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-12-14 15:23:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-12-14 15:23:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:23:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 15:23:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 15:23:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:23:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:23:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:23:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:23:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:23:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:23:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:23:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:23:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 15:23:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 15:23:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:23:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2022-12-14 15:23:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2022-12-14 15:23:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 15:23:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 15:23:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:23:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:23:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-12-14 15:23:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-12-14 15:23:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 15:23:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 15:23:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:23:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:23:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 15:23:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 15:23:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 15:23:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 15:23:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:23:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:23:37,886 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:23:37,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:23:38,646 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:23:38,771 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:23:38,772 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:23:38,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:23:38 BoogieIcfgContainer [2022-12-14 15:23:38,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:23:38,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:23:38,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:23:38,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:23:38,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:23:35" (1/3) ... [2022-12-14 15:23:38,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ac76a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:23:38, skipping insertion in model container [2022-12-14 15:23:38,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:23:37" (2/3) ... [2022-12-14 15:23:38,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ac76a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:23:38, skipping insertion in model container [2022-12-14 15:23:38,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:23:38" (3/3) ... [2022-12-14 15:23:38,783 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness_negated.i [2022-12-14 15:23:38,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:23:38,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:23:38,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:23:38,853 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;@4f41b23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:23:38,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:23:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 15:23:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 15:23:38,864 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:23:38,864 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:23:38,864 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:23:38,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:23:38,868 INFO L85 PathProgramCache]: Analyzing trace with hash 997548418, now seen corresponding path program 1 times [2022-12-14 15:23:38,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:23:38,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518531408] [2022-12-14 15:23:38,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:38,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:23:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:23:39,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:23:39,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518531408] [2022-12-14 15:23:39,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518531408] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:23:39,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:23:39,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 15:23:39,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286552680] [2022-12-14 15:23:39,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:23:40,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 15:23:40,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:23:40,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 15:23:40,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:23:40,026 INFO L87 Difference]: Start difference. First operand has 79 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-12-14 15:23:40,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:23:40,259 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions. [2022-12-14 15:23:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 15:23:40,262 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 47 [2022-12-14 15:23:40,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:23:40,267 INFO L225 Difference]: With dead ends: 103 [2022-12-14 15:23:40,267 INFO L226 Difference]: Without dead ends: 73 [2022-12-14 15:23:40,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:23:40,271 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 22 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:23:40,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 500 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 15:23:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-14 15:23:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-12-14 15:23:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 15:23:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2022-12-14 15:23:40,303 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 47 [2022-12-14 15:23:40,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:23:40,304 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2022-12-14 15:23:40,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-12-14 15:23:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-12-14 15:23:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 15:23:40,306 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:23:40,306 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:23:40,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:23:40,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:23:40,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:23:40,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1091387260, now seen corresponding path program 1 times [2022-12-14 15:23:40,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:23:40,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401745996] [2022-12-14 15:23:40,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:40,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:23:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 15:23:40,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:23:40,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401745996] [2022-12-14 15:23:40,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401745996] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:23:40,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:23:40,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:23:40,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967845314] [2022-12-14 15:23:40,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:23:40,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:23:40,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:23:40,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:23:40,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:23:40,592 INFO L87 Difference]: Start difference. First operand 73 states and 84 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 15:23:40,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:23:40,693 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2022-12-14 15:23:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:23:40,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 68 [2022-12-14 15:23:40,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:23:40,694 INFO L225 Difference]: With dead ends: 119 [2022-12-14 15:23:40,694 INFO L226 Difference]: Without dead ends: 73 [2022-12-14 15:23:40,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:23:40,695 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:23:40,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 189 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:23:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-14 15:23:40,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-12-14 15:23:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 15:23:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2022-12-14 15:23:40,703 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 68 [2022-12-14 15:23:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:23:40,703 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2022-12-14 15:23:40,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 15:23:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-12-14 15:23:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 15:23:40,704 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:23:40,704 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:23:40,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:23:40,705 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:23:40,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:23:40,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1989250281, now seen corresponding path program 1 times [2022-12-14 15:23:40,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:23:40,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045404072] [2022-12-14 15:23:40,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:40,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:23:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:42,018 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 15:23:42,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:23:42,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045404072] [2022-12-14 15:23:42,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045404072] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:23:42,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040818742] [2022-12-14 15:23:42,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:42,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:23:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:23:42,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:23:42,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:23:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:42,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 67 conjunts are in the unsatisfiable core [2022-12-14 15:23:42,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:23:42,868 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:23:42,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2022-12-14 15:23:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:23:43,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:23:43,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040818742] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:23:43,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:23:43,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [10] total 24 [2022-12-14 15:23:43,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424010413] [2022-12-14 15:23:43,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:23:43,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 15:23:43,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:23:43,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 15:23:43,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2022-12-14 15:23:43,150 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-12-14 15:23:43,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:23:43,911 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions. [2022-12-14 15:23:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 15:23:43,912 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 72 [2022-12-14 15:23:43,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:23:43,913 INFO L225 Difference]: With dead ends: 97 [2022-12-14 15:23:43,913 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 15:23:43,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2022-12-14 15:23:43,915 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 11 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:23:43,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 838 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 15:23:43,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 15:23:43,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-14 15:23:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 15:23:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2022-12-14 15:23:43,927 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 72 [2022-12-14 15:23:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:23:43,928 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2022-12-14 15:23:43,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-12-14 15:23:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2022-12-14 15:23:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 15:23:43,929 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:23:43,929 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:23:43,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:23:44,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:23:44,130 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:23:44,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:23:44,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1888659405, now seen corresponding path program 1 times [2022-12-14 15:23:44,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:23:44,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974199774] [2022-12-14 15:23:44,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:44,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:23:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:45,358 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 15:23:45,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:23:45,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974199774] [2022-12-14 15:23:45,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974199774] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:23:45,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405234071] [2022-12-14 15:23:45,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:45,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:23:45,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:23:45,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:23:45,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4883f9-fd42-472c-a7af-97bba3292b54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:23:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:46,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 129 conjunts are in the unsatisfiable core [2022-12-14 15:23:46,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:23:46,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2022-12-14 15:23:46,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:23:46,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 138 [2022-12-14 15:23:46,386 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:23:53,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 167 [2022-12-14 15:23:53,306 INFO L321 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2022-12-14 15:23:53,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 7604 treesize of output 7442 [2022-12-14 15:23:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 15:23:54,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:24:08,094 WARN L233 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:24:10,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2022-12-14 15:24:10,377 INFO L321 Elim1Store]: treesize reduction 21, result has 65.0 percent of original size [2022-12-14 15:24:10,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 113 [2022-12-14 15:24:10,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:24:10,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 25 [2022-12-14 15:24:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:24:11,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405234071] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:24:11,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1681776638] [2022-12-14 15:24:11,124 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-12-14 15:24:11,125 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:24:11,127 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:24:11,130 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:24:11,131 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:24:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:14,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-12-14 15:24:15,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:24:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:15,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:15,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-12-14 15:24:16,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:17,214 INFO L217 Elim1Store]: Index analysis took 450 ms [2022-12-14 15:24:17,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 309 select indices, 309 select index equivalence classes, 33694 disjoint index pairs (out of 47586 index pairs), introduced 309 new quantified variables, introduced 0 case distinctions, treesize of input 2781 treesize of output 3693 [2022-12-14 15:24:23,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 15:24:23,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 15:24:23,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:24:23,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-12-14 15:24:23,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-12-14 15:24:23,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:24:23,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-12-14 15:24:26,188 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:24:31,987 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:24:35,665 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 3307 for LOIs [2022-12-14 15:26:05,225 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3292 for LOIs [2022-12-14 15:26:08,811 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 3316 for LOIs [2022-12-14 15:26:48,907 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3384 for LOIs [2022-12-14 15:27:19,334 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:28:05,027 WARN L233 SmtUtils]: Spent 41.97s on a formula simplification that was a NOOP. DAG size: 3292 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:28:55,169 WARN L233 SmtUtils]: Spent 46.30s on a formula simplification that was a NOOP. DAG size: 3307 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:29:40,444 WARN L233 SmtUtils]: Spent 41.30s on a formula simplification that was a NOOP. DAG size: 3309 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:32:04,307 WARN L233 SmtUtils]: Spent 2.16m on a formula simplification. DAG size of input: 3384 DAG size of output: 3322 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:34:19,385 WARN L233 SmtUtils]: Spent 2.15m on a formula simplification. DAG size of input: 3389 DAG size of output: 3311 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:35:58,264 WARN L233 SmtUtils]: Spent 1.57m on a formula simplification. DAG size of input: 3330 DAG size of output: 3323 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:37:33,647 WARN L233 SmtUtils]: Spent 1.50m on a formula simplification. DAG size of input: 3334 DAG size of output: 3327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)