./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur --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 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- 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-38b53e6 [2022-11-25 22:20:55,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:20:55,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:20:56,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:20:56,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:20:56,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:20:56,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:20:56,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:20:56,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:20:56,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:20:56,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:20:56,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:20:56,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:20:56,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:20:56,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:20:56,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:20:56,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:20:56,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:20:56,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:20:56,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:20:56,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:20:56,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:20:56,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:20:56,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:20:56,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:20:56,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:20:56,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:20:56,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:20:56,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:20:56,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:20:56,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:20:56,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:20:56,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:20:56,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:20:56,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:20:56,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:20:56,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:20:56,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:20:56,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:20:56,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:20:56,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:20:56,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:20:56,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:20:56,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:20:56,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:20:56,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:20:56,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:20:56,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:20:56,145 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:20:56,145 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:20:56,146 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:20:56,146 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:20:56,146 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:20:56,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:20:56,147 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:20:56,147 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:20:56,147 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:20:56,148 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:20:56,148 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:20:56,148 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:20:56,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:20:56,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:20:56,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:20:56,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:20:56,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:20:56,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:20:56,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:20:56,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:20:56,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:20:56,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:20:56,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:20:56,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:56,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:20:56,156 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:20:56,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:20:56,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:20:56,157 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:20:56,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:20:56,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:20:56,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:20:56,160 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_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2022-11-25 22:20:56,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:20:56,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:20:56,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:20:56,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:20:56,521 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:20:56,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2022-11-25 22:20:59,565 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:21:00,170 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:21:00,173 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2022-11-25 22:21:00,226 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/data/48ac5b169/dacfcc9da990428cafa2d1d2bd077d9f/FLAGb25b416e9 [2022-11-25 22:21:00,241 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/data/48ac5b169/dacfcc9da990428cafa2d1d2bd077d9f [2022-11-25 22:21:00,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:21:00,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:21:00,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:21:00,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:21:00,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:21:00,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:00" (1/1) ... [2022-11-25 22:21:00,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaea13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:00, skipping insertion in model container [2022-11-25 22:21:00,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:00" (1/1) ... [2022-11-25 22:21:00,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:21:00,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:21:00,782 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_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2022-11-25 22:21:00,791 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_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2022-11-25 22:21:01,960 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,961 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,961 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,962 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,963 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,978 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,979 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,981 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,982 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,984 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,985 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,986 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:01,986 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:02,084 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:21:02,085 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:21:02,086 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:21:02,091 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:21:02,093 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:21:02,094 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:21:02,460 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:21:02,461 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:21:02,463 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:21:02,464 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:21:02,466 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:21:02,467 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:21:02,468 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:21:02,469 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:21:02,470 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:21:02,471 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:21:02,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:21:02,696 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:21:02,766 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:21:03,114 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,114 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,157 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,158 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,165 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,166 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,191 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,192 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,193 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,194 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,194 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,196 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,196 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:21:03,318 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:21:03,349 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_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2022-11-25 22:21:03,350 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_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2022-11-25 22:21:03,439 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,440 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,440 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,441 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,442 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,447 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,450 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,455 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,457 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,458 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,459 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,459 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,467 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:21:03,467 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:21:03,468 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:21:03,474 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:21:03,476 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:21:03,477 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:21:03,502 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:21:03,503 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:21:03,504 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:21:03,504 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:21:03,505 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:21:03,506 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:21:03,507 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:21:03,507 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:21:03,508 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:21:03,508 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:21:03,509 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:21:03,544 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:21:03,591 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:21:03,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,663 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,671 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,672 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,676 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,677 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,693 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,694 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,695 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,695 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,699 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:21:03,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:21:04,011 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:21:04,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04 WrapperNode [2022-11-25 22:21:04,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:21:04,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:21:04,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:21:04,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:21:04,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,269 INFO L138 Inliner]: procedures = 774, calls = 2432, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 607 [2022-11-25 22:21:04,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:21:04,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:21:04,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:21:04,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:21:04,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,371 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:21:04,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:21:04,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:21:04,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:21:04,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (1/1) ... [2022-11-25 22:21:04,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:21:04,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:04,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:21:04,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:21:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-25 22:21:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:21:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 22:21:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 22:21:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:21:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:21:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-25 22:21:04,502 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-25 22:21:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:21:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:21:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:21:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:21:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:21:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 22:21:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 22:21:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 22:21:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 22:21:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:21:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-25 22:21:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-25 22:21:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:21:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-25 22:21:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-25 22:21:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:21:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-25 22:21:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-25 22:21:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:21:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2022-11-25 22:21:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2022-11-25 22:21:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-25 22:21:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-25 22:21:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:21:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:21:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-25 22:21:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-25 22:21:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:21:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 22:21:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 22:21:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-25 22:21:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-25 22:21:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:21:04,944 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:21:04,947 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:21:05,954 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:21:06,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:21:06,087 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:21:06,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:21:06 BoogieIcfgContainer [2022-11-25 22:21:06,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:21:06,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:21:06,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:21:06,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:21:06,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:21:00" (1/3) ... [2022-11-25 22:21:06,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3315a8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:21:06, skipping insertion in model container [2022-11-25 22:21:06,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:04" (2/3) ... [2022-11-25 22:21:06,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3315a8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:21:06, skipping insertion in model container [2022-11-25 22:21:06,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:21:06" (3/3) ... [2022-11-25 22:21:06,103 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness.i [2022-11-25 22:21:06,124 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:21:06,124 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:21:06,186 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:21:06,198 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;@76985fe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:21:06,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:21:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-25 22:21:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 22:21:06,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:06,217 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:06,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:06,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:06,228 INFO L85 PathProgramCache]: Analyzing trace with hash 94696135, now seen corresponding path program 1 times [2022-11-25 22:21:06,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:06,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123667205] [2022-11-25 22:21:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:06,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:06,729 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:06,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1589307871] [2022-11-25 22:21:06,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:06,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:06,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:06,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:06,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:21:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:07,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:21:07,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-25 22:21:07,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:07,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:07,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123667205] [2022-11-25 22:21:07,567 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:07,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589307871] [2022-11-25 22:21:07,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589307871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:07,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:07,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:21:07,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087061112] [2022-11-25 22:21:07,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:07,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:21:07,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:07,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:21:07,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:21:07,653 INFO L87 Difference]: Start difference. First operand has 91 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:21:08,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:08,109 INFO L93 Difference]: Finished difference Result 176 states and 214 transitions. [2022-11-25 22:21:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:21:08,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 80 [2022-11-25 22:21:08,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:08,123 INFO L225 Difference]: With dead ends: 176 [2022-11-25 22:21:08,123 INFO L226 Difference]: Without dead ends: 93 [2022-11-25 22:21:08,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:21:08,131 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:08,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:21:08,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-25 22:21:08,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-25 22:21:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 52 states have internal predecessors, (58), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2022-11-25 22:21:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2022-11-25 22:21:08,186 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 80 [2022-11-25 22:21:08,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:08,188 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2022-11-25 22:21:08,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:21:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-11-25 22:21:08,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-25 22:21:08,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:08,193 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:08,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:08,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:08,404 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:08,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:08,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1567370857, now seen corresponding path program 1 times [2022-11-25 22:21:08,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:08,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383696947] [2022-11-25 22:21:08,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:08,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-25 22:21:10,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:10,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383696947] [2022-11-25 22:21:10,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383696947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:10,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:10,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 22:21:10,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645837835] [2022-11-25 22:21:10,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:10,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:21:10,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:10,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:21:10,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:21:10,920 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-25 22:21:11,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:11,482 INFO L93 Difference]: Finished difference Result 168 states and 196 transitions. [2022-11-25 22:21:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:21:11,483 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 88 [2022-11-25 22:21:11,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:11,486 INFO L225 Difference]: With dead ends: 168 [2022-11-25 22:21:11,486 INFO L226 Difference]: Without dead ends: 95 [2022-11-25 22:21:11,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:21:11,488 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 12 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:11,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 429 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:21:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-25 22:21:11,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-25 22:21:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 54 states have internal predecessors, (59), 26 states have call successors, (26), 14 states have call predecessors, (26), 16 states have return successors, (27), 26 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-25 22:21:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2022-11-25 22:21:11,504 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 88 [2022-11-25 22:21:11,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:11,505 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2022-11-25 22:21:11,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-25 22:21:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2022-11-25 22:21:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-25 22:21:11,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:11,507 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:11,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:21:11,508 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1983458522, now seen corresponding path program 1 times [2022-11-25 22:21:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:11,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621542636] [2022-11-25 22:21:11,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-25 22:21:12,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:12,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621542636] [2022-11-25 22:21:12,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621542636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:12,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:12,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 22:21:12,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971615510] [2022-11-25 22:21:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:12,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 22:21:12,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:12,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 22:21:12,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:21:12,867 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-25 22:21:13,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:13,998 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2022-11-25 22:21:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:21:13,999 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 94 [2022-11-25 22:21:14,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:14,001 INFO L225 Difference]: With dead ends: 175 [2022-11-25 22:21:14,001 INFO L226 Difference]: Without dead ends: 100 [2022-11-25 22:21:14,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-11-25 22:21:14,003 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 23 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:14,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 634 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:21:14,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-25 22:21:14,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2022-11-25 22:21:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 26 states have call successors, (26), 14 states have call predecessors, (26), 17 states have return successors, (28), 27 states have call predecessors, (28), 25 states have call successors, (28) [2022-11-25 22:21:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 115 transitions. [2022-11-25 22:21:14,017 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 115 transitions. Word has length 94 [2022-11-25 22:21:14,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:14,018 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 115 transitions. [2022-11-25 22:21:14,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-25 22:21:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2022-11-25 22:21:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-25 22:21:14,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:14,020 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:14,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:21:14,021 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:14,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:14,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1798769416, now seen corresponding path program 1 times [2022-11-25 22:21:14,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:14,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085072723] [2022-11-25 22:21:14,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:14,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-25 22:21:15,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:15,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085072723] [2022-11-25 22:21:15,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085072723] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:21:15,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29152578] [2022-11-25 22:21:15,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:15,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:15,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:15,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:15,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:21:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:15,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-25 22:21:16,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-25 22:21:16,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:16,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29152578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:16,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:21:16,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2022-11-25 22:21:16,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966960199] [2022-11-25 22:21:16,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:16,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:21:16,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:16,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:21:16,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:21:16,236 INFO L87 Difference]: Start difference. First operand 98 states and 115 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-25 22:21:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:16,910 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2022-11-25 22:21:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:21:16,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 98 [2022-11-25 22:21:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:16,912 INFO L225 Difference]: With dead ends: 188 [2022-11-25 22:21:16,912 INFO L226 Difference]: Without dead ends: 100 [2022-11-25 22:21:16,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:21:16,914 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 12 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:16,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 341 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:21:16,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-25 22:21:16,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-11-25 22:21:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 58 states have internal predecessors, (62), 26 states have call successors, (26), 14 states have call predecessors, (26), 18 states have return successors, (29), 27 states have call predecessors, (29), 25 states have call successors, (29) [2022-11-25 22:21:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2022-11-25 22:21:16,928 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 98 [2022-11-25 22:21:16,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:16,928 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2022-11-25 22:21:16,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-25 22:21:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2022-11-25 22:21:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-25 22:21:16,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:16,931 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:16,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:17,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-25 22:21:17,141 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:17,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:17,142 INFO L85 PathProgramCache]: Analyzing trace with hash 148500382, now seen corresponding path program 1 times [2022-11-25 22:21:17,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:17,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692596901] [2022-11-25 22:21:17,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:17,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:17,253 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:17,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197952899] [2022-11-25 22:21:17,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:17,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:17,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:17,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:17,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55ee1fa-f88c-4cc4-ae21-bac46c74c5e4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:21:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:17,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 2459 conjuncts, 89 conjunts are in the unsatisfiable core [2022-11-25 22:21:17,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:18,176 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 11 treesize of output 7 [2022-11-25 22:21:18,181 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 11 treesize of output 7 [2022-11-25 22:21:18,576 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 35 treesize of output 27 [2022-11-25 22:21:18,583 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 27 treesize of output 7 [2022-11-25 22:21:18,686 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-25 22:21:18,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:21:19,354 INFO L321 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2022-11-25 22:21:19,355 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 27 treesize of output 23 [2022-11-25 22:21:19,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:19,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692596901] [2022-11-25 22:21:19,761 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:19,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197952899] [2022-11-25 22:21:19,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197952899] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:21:19,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1554658424] [2022-11-25 22:21:19,786 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2022-11-25 22:21:19,786 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:21:19,790 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:21:19,797 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:21:19,797 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:21:24,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:21:24,435 INFO L217 Elim1Store]: Index analysis took 533 ms [2022-11-25 22:21:42,636 WARN L233 SmtUtils]: Spent 18.11s on a formula simplification. DAG size of input: 1758 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:21:42,645 INFO L321 Elim1Store]: treesize reduction 1950, result has 47.4 percent of original size [2022-11-25 22:21:42,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2354 [2022-11-25 22:21:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:21:46,641 INFO L217 Elim1Store]: Index analysis took 899 ms [2022-11-25 22:22:14,786 WARN L233 SmtUtils]: Spent 28.08s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:22:14,789 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-25 22:22:14,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-25 22:24:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:41,418 INFO L217 Elim1Store]: Index analysis took 380 ms [2022-11-25 22:24:59,763 WARN L233 SmtUtils]: Spent 18.29s on a formula simplification. DAG size of input: 1767 DAG size of output: 1177 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:24:59,768 INFO L321 Elim1Store]: treesize reduction 1964, result has 47.3 percent of original size [2022-11-25 22:24:59,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2362 [2022-11-25 22:25:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:06,160 INFO L217 Elim1Store]: Index analysis took 772 ms [2022-11-25 22:25:35,093 WARN L233 SmtUtils]: Spent 28.88s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:25:35,099 INFO L321 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-11-25 22:25:35,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2022-11-25 22:25:54,718 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 6 treesize of output 5 [2022-11-25 22:25:54,731 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 [2022-11-25 22:25:54,758 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 [2022-11-25 22:25:54,762 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 6 treesize of output 5 [2022-11-25 22:25:54,812 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 [2022-11-25 22:25:54,817 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 [2022-11-25 22:25:54,826 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 13 treesize of output 9 [2022-11-25 22:25:54,834 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 [2022-11-25 22:25:54,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-25 22:25:54,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-25 22:25:55,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-25 22:25:55,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-25 22:25:55,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:25:55,098 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 6 treesize of output 5 [2022-11-25 22:25:55,104 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 [2022-11-25 22:25:55,143 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 [2022-11-25 22:25:55,153 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 13 treesize of output 9 [2022-11-25 22:25:55,163 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 [2022-11-25 22:25:55,172 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 [2022-11-25 22:25:55,196 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 7 treesize of output 3 [2022-11-25 22:25:55,216 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 7 treesize of output 3 [2022-11-25 22:25:55,241 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 22:25:55,242 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 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-25 22:26:00,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-25 22:26:00,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,753 INFO L217 Elim1Store]: Index analysis took 135 ms [2022-11-25 22:26:00,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-25 22:26:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:01,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 22:26:02,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:02,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-25 22:26:03,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:03,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-25 22:26:21,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 22:26:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:21,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-25 22:26:22,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:22,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:22,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:22,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:22,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:22,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:22,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-25 22:26:23,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:23,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:23,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:23,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-25 22:26:24,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:24,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:24,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-25 22:26:25,533 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 [2022-11-25 22:26:25,546 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 [2022-11-25 22:26:25,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:25,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:25,693 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-25 22:26:25,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 46 [2022-11-25 22:26:25,738 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 22:26:25,738 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 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-25 22:26:25,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:25,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-25 22:26:25,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:25,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 22:26:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:25,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-25 22:26:26,669 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 22:26:26,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-25 22:26:26,718 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 22:26:26,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-25 22:26:26,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 22:26:26,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 22:26:26,856 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 22:26:26,879 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 9 treesize of output 3 [2022-11-25 22:26:26,892 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 22:26:26,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 22:26:27,012 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 22:26:27,028 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 22:26:27,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 22:26:27,071 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 9 treesize of output 3 [2022-11-25 22:26:27,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:27:13,419 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-25 22:27:13,454 INFO L197 IcfgInterpreter]: Interpreting procedure aws_hash_table_get_entry_count with input of size 54 for LOIs [2022-11-25 22:27:13,470 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 2808 for LOIs [2022-11-25 22:27:19,465 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 3314 for LOIs [2022-11-25 22:28:05,054 INFO L217 Elim1Store]: Index analysis took 551 ms [2022-11-25 22:30:48,981 WARN L233 SmtUtils]: Spent 2.73m on a formula simplification. DAG size of input: 4158 DAG size of output: 1979 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:30:48,992 INFO L321 Elim1Store]: treesize reduction 5154, result has 39.4 percent of original size [2022-11-25 22:30:49,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19111 disjoint index pairs (out of 19701 index pairs), introduced 200 new quantified variables, introduced 790 case distinctions, treesize of input 7799 treesize of output 10754 [2022-11-25 22:31:01,208 INFO L217 Elim1Store]: Index analysis took 6553 ms [2022-11-25 22:34:04,937 WARN L233 SmtUtils]: Spent 3.06m on a formula simplification. DAG size of input: 4571 DAG size of output: 1792 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:34:04,942 INFO L321 Elim1Store]: treesize reduction 6750, result has 33.3 percent of original size [2022-11-25 22:34:04,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 201 select indices, 201 select index equivalence classes, 19307 disjoint index pairs (out of 20100 index pairs), introduced 202 new quantified variables, introduced 992 case distinctions, treesize of input 7397 treesize of output 10371