./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 5e519f3a 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_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/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_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 01:39:25,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:39:25,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:39:25,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:39:25,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:39:25,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:39:25,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:39:25,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:39:25,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:39:25,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:39:25,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:39:25,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:39:25,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:39:25,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:39:25,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:39:25,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:39:25,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:39:25,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:39:25,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:39:25,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:39:25,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:39:25,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:39:25,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:39:25,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:39:25,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:39:25,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:39:25,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:39:25,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:39:25,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:39:25,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:39:25,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:39:25,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:39:25,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:39:25,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:39:25,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:39:25,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:39:25,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:39:25,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:39:25,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:39:25,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:39:25,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:39:25,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:39:25,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:39:25,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:39:25,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:39:25,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:39:25,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:39:25,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:39:25,638 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:39:25,638 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:39:25,639 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:39:25,639 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:39:25,640 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:39:25,641 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:39:25,641 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:39:25,641 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:39:25,641 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:39:25,642 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:39:25,642 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:39:25,642 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:39:25,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:39:25,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:39:25,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:39:25,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:39:25,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:39:25,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:39:25,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:39:25,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:39:25,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:39:25,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:39:25,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:39:25,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:39:25,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:39:25,649 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:39:25,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:39:25,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:39:25,650 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:39:25,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:39:25,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:39:25,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:39:25,651 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_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2022-11-03 01:39:26,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:39:26,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:39:26,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:39:26,055 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:39:26,056 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:39:26,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2022-11-03 01:39:26,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/data/60b96827d/aa876939fc524f73b9610b4f6e54f3a0/FLAG8fe8a0d88 [2022-11-03 01:39:27,199 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:39:27,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2022-11-03 01:39:27,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/data/60b96827d/aa876939fc524f73b9610b4f6e54f3a0/FLAG8fe8a0d88 [2022-11-03 01:39:27,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/data/60b96827d/aa876939fc524f73b9610b4f6e54f3a0 [2022-11-03 01:39:27,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:39:27,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:39:27,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:39:27,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:39:27,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:39:27,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:39:27" (1/1) ... [2022-11-03 01:39:27,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d6380d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:27, skipping insertion in model container [2022-11-03 01:39:27,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:39:27" (1/1) ... [2022-11-03 01:39:27,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:39:27,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:39:28,239 WARN L230 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_b59a449a-768a-4742-b2f3-b73b1b725a28/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2022-11-03 01:39:28,248 WARN L230 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_b59a449a-768a-4742-b2f3-b73b1b725a28/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2022-11-03 01:39:29,480 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,481 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,482 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,483 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,484 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,500 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,501 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,503 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,504 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,506 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,508 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,509 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:29,509 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,090 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 01:39:30,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 01:39:30,094 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 01:39:30,096 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 01:39:30,098 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 01:39:30,099 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 01:39:30,100 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 01:39:30,101 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 01:39:30,103 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 01:39:30,104 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 01:39:30,386 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 01:39:30,933 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,935 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,964 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,966 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,974 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,975 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,997 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,999 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:30,999 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,000 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,001 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,001 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,002 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:39:31,101 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:39:31,118 WARN L230 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_b59a449a-768a-4742-b2f3-b73b1b725a28/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2022-11-03 01:39:31,119 WARN L230 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_b59a449a-768a-4742-b2f3-b73b1b725a28/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2022-11-03 01:39:31,166 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,167 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,167 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,168 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,169 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,178 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,178 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,180 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,181 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,182 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,183 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,184 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,184 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,228 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 01:39:31,230 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 01:39:31,231 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 01:39:31,232 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 01:39:31,234 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 01:39:31,235 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 01:39:31,236 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 01:39:31,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 01:39:31,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 01:39:31,238 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 01:39:31,308 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 01:39:31,478 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,479 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,490 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,491 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,496 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,496 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,517 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,518 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,519 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,520 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,520 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,521 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,521 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:39:31,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:39:31,911 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:39:31,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31 WrapperNode [2022-11-03 01:39:31,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:39:31,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:39:31,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:39:31,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:39:31,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,196 INFO L138 Inliner]: procedures = 774, calls = 2433, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 608 [2022-11-03 01:39:32,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:39:32,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:39:32,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:39:32,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:39:32,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,330 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:39:32,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:39:32,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:39:32,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:39:32,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (1/1) ... [2022-11-03 01:39:32,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:39:32,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:39:32,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:39:32,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:39:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 01:39:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:39:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 01:39:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 01:39:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 01:39:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 01:39:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-03 01:39:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-03 01:39:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:39:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:39:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:39:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:39:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:39:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 01:39:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 01:39:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 01:39:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 01:39:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:39:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-03 01:39:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-03 01:39:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:39:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 01:39:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 01:39:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:39:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-03 01:39:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-03 01:39:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:39:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2022-11-03 01:39:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2022-11-03 01:39:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-03 01:39:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-03 01:39:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:39:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:39:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-03 01:39:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-03 01:39:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:39:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 01:39:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 01:39:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-03 01:39:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-03 01:39:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:39:32,935 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:39:32,937 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:39:33,852 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:39:33,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:39:33,991 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:39:33,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:39:33 BoogieIcfgContainer [2022-11-03 01:39:33,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:39:34,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:39:34,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:39:34,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:39:34,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:39:27" (1/3) ... [2022-11-03 01:39:34,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:39:34, skipping insertion in model container [2022-11-03 01:39:34,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:31" (2/3) ... [2022-11-03 01:39:34,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:39:34, skipping insertion in model container [2022-11-03 01:39:34,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:39:33" (3/3) ... [2022-11-03 01:39:34,012 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness.i [2022-11-03 01:39:34,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:39:34,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:39:34,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:39:34,102 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;@633d0e2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:39:34,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:39:34,107 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) [2022-11-03 01:39:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-03 01:39:34,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:34,119 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] [2022-11-03 01:39:34,119 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:39:34,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:34,126 INFO L85 PathProgramCache]: Analyzing trace with hash 94696135, now seen corresponding path program 1 times [2022-11-03 01:39:34,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:34,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138335465] [2022-11-03 01:39:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:34,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:34,576 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:39:34,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316536751] [2022-11-03 01:39:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:34,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:39:34,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:39:34,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:39:34,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:39:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:35,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 2304 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 01:39:35,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:39:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 01:39:35,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:39:35,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:35,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138335465] [2022-11-03 01:39:35,338 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:39:35,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316536751] [2022-11-03 01:39:35,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316536751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:35,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:39:35,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:39:35,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658595545] [2022-11-03 01:39:35,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:35,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:39:35,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:35,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:39:35,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:39:35,387 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) [2022-11-03 01:39:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:36,488 INFO L93 Difference]: Finished difference Result 176 states and 214 transitions. [2022-11-03 01:39:36,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:39:36,491 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 [2022-11-03 01:39:36,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:36,504 INFO L225 Difference]: With dead ends: 176 [2022-11-03 01:39:36,505 INFO L226 Difference]: Without dead ends: 93 [2022-11-03 01:39:36,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:39:36,516 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:36,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 01:39:36,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-03 01:39:36,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-03 01:39:36,564 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) [2022-11-03 01:39:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2022-11-03 01:39:36,568 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 80 [2022-11-03 01:39:36,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:36,570 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2022-11-03 01:39:36,570 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) [2022-11-03 01:39:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-11-03 01:39:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 01:39:36,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:36,575 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] [2022-11-03 01:39:36,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:39:36,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 01:39:36,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:39:36,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:36,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1567370857, now seen corresponding path program 1 times [2022-11-03 01:39:36,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:36,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957839359] [2022-11-03 01:39:36,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:36,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-03 01:39:39,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:39,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957839359] [2022-11-03 01:39:39,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957839359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:39,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:39:39,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:39:39,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575232168] [2022-11-03 01:39:39,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:39,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 01:39:39,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:39,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 01:39:39,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:39:39,347 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) [2022-11-03 01:39:40,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:40,285 INFO L93 Difference]: Finished difference Result 168 states and 196 transitions. [2022-11-03 01:39:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:39:40,286 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 [2022-11-03 01:39:40,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:40,289 INFO L225 Difference]: With dead ends: 168 [2022-11-03 01:39:40,289 INFO L226 Difference]: Without dead ends: 95 [2022-11-03 01:39:40,290 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 [2022-11-03 01:39:40,291 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 13 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:40,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 429 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 01:39:40,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-03 01:39:40,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-03 01:39:40,304 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) [2022-11-03 01:39:40,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2022-11-03 01:39:40,306 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 88 [2022-11-03 01:39:40,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:40,307 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2022-11-03 01:39:40,307 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) [2022-11-03 01:39:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2022-11-03 01:39:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 01:39:40,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:40,309 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] [2022-11-03 01:39:40,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:39:40,310 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:39:40,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:40,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1983458522, now seen corresponding path program 1 times [2022-11-03 01:39:40,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:40,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829429826] [2022-11-03 01:39:40,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-03 01:39:41,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:41,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829429826] [2022-11-03 01:39:41,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829429826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:41,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:39:41,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:39:41,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718602784] [2022-11-03 01:39:41,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:41,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:39:41,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:41,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:39:41,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:39:41,648 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) [2022-11-03 01:39:43,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:43,483 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2022-11-03 01:39:43,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:39:43,484 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 [2022-11-03 01:39:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:43,485 INFO L225 Difference]: With dead ends: 175 [2022-11-03 01:39:43,486 INFO L226 Difference]: Without dead ends: 100 [2022-11-03 01:39:43,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:39:43,487 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 22 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:43,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 634 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 01:39:43,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-03 01:39:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2022-11-03 01:39:43,498 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) [2022-11-03 01:39:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 115 transitions. [2022-11-03 01:39:43,499 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 115 transitions. Word has length 94 [2022-11-03 01:39:43,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:43,500 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 115 transitions. [2022-11-03 01:39:43,500 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) [2022-11-03 01:39:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2022-11-03 01:39:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 01:39:43,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:43,503 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] [2022-11-03 01:39:43,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:39:43,503 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:39:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1798769416, now seen corresponding path program 1 times [2022-11-03 01:39:43,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:43,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455696977] [2022-11-03 01:39:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:43,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-03 01:39:44,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:44,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455696977] [2022-11-03 01:39:44,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455696977] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:39:44,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792251831] [2022-11-03 01:39:44,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:44,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:39:44,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:39:44,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:39:44,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:39:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:45,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-03 01:39:45,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:39:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 01:39:45,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:39:45,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792251831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:45,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:39:45,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2022-11-03 01:39:45,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173413554] [2022-11-03 01:39:45,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:45,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:39:45,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:45,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:39:45,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:39:45,602 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) [2022-11-03 01:39:46,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:46,625 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2022-11-03 01:39:46,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:39:46,626 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 [2022-11-03 01:39:46,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:46,627 INFO L225 Difference]: With dead ends: 188 [2022-11-03 01:39:46,627 INFO L226 Difference]: Without dead ends: 100 [2022-11-03 01:39:46,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:39:46,629 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 13 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:46,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 341 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 01:39:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-03 01:39:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-11-03 01:39:46,645 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) [2022-11-03 01:39:46,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2022-11-03 01:39:46,647 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 98 [2022-11-03 01:39:46,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:46,648 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2022-11-03 01:39:46,648 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) [2022-11-03 01:39:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2022-11-03 01:39:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 01:39:46,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:46,651 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] [2022-11-03 01:39:46,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:39:46,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:39:46,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:39:46,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:46,879 INFO L85 PathProgramCache]: Analyzing trace with hash 148500382, now seen corresponding path program 1 times [2022-11-03 01:39:46,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:46,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86390167] [2022-11-03 01:39:46,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:46,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:46,974 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:39:46,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [846921506] [2022-11-03 01:39:46,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:46,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:39:46,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:39:46,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:39:46,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:39:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:47,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 2463 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-03 01:39:47,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:39:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-03 01:39:47,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:39:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-03 01:39:48,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:48,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86390167] [2022-11-03 01:39:48,114 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:39:48,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846921506] [2022-11-03 01:39:48,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846921506] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 01:39:48,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:39:48,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2022-11-03 01:39:48,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706082153] [2022-11-03 01:39:48,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:48,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:39:48,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:48,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:39:48,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:39:48,117 INFO L87 Difference]: Start difference. First operand 100 states and 117 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 01:39:48,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:48,927 INFO L93 Difference]: Finished difference Result 143 states and 165 transitions. [2022-11-03 01:39:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:39:48,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 103 [2022-11-03 01:39:48,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:48,930 INFO L225 Difference]: With dead ends: 143 [2022-11-03 01:39:48,930 INFO L226 Difference]: Without dead ends: 98 [2022-11-03 01:39:48,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:39:48,931 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 1 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:48,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 463 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 01:39:48,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-03 01:39:48,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2022-11-03 01:39:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 53 states have internal predecessors, (57), 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) [2022-11-03 01:39:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 110 transitions. [2022-11-03 01:39:48,943 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 110 transitions. Word has length 103 [2022-11-03 01:39:48,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:48,944 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 110 transitions. [2022-11-03 01:39:48,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 01:39:48,944 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2022-11-03 01:39:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-03 01:39:48,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:48,946 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 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] [2022-11-03 01:39:48,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:39:49,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:39:49,162 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:39:49,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:49,163 INFO L85 PathProgramCache]: Analyzing trace with hash -103095598, now seen corresponding path program 1 times [2022-11-03 01:39:49,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:49,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420513233] [2022-11-03 01:39:49,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:49,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:49,251 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:39:49,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333608873] [2022-11-03 01:39:49,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:49,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:39:49,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:39:49,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:39:49,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b59a449a-768a-4742-b2f3-b73b1b725a28/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 01:39:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:49,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 209 conjunts are in the unsatisfiable core [2022-11-03 01:39:49,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:39:50,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:39:50,281 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 01:39:50,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-03 01:39:50,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 01:39:50,886 INFO L356 Elim1Store]: treesize reduction 195, result has 17.0 percent of original size [2022-11-03 01:39:50,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 93 [2022-11-03 01:39:51,363 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-03 01:39:51,363 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-03 01:39:51,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:39:51,485 INFO L356 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-03 01:39:51,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 42 [2022-11-03 01:39:51,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 01:39:51,682 INFO L356 Elim1Store]: treesize reduction 18, result has 50.0 percent of original size [2022-11-03 01:39:51,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 59 [2022-11-03 01:39:51,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:39:52,599 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 01:39:52,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-11-03 01:39:52,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-03 01:39:52,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-03 01:39:52,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:39:52,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-03 01:39:53,040 WARN L855 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_575 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_575) |c_#memory_int|)) (exists ((v_ArrVal_574 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_574))) (exists ((v_ArrVal_576 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_576) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-03 01:39:53,276 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-03 01:39:53,373 WARN L855 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_577 (Array Int Int))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_577))) (exists ((v_ArrVal_578 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_578))) (exists ((v_ArrVal_579 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_579) |c_#memory_int|))) is different from true [2022-11-03 01:39:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:39:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:39:53,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-03 01:39:53,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:39:53,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:39:53,635 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-11-03 01:39:53,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:39:53,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 01:39:53,684 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-11-03 01:39:53,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2022-11-03 01:39:54,338 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:39:54,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 53 treesize of output 45 [2022-11-03 01:39:54,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:39:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 4 not checked. [2022-11-03 01:39:54,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:39:55,679 INFO L356 Elim1Store]: treesize reduction 4, result has 87.1 percent of original size [2022-11-03 01:39:55,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 846 treesize of output 745 [2022-11-03 01:39:55,709 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:39:55,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 718 treesize of output 592 [2022-11-03 01:39:55,741 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:39:55,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 574 treesize of output 520 [2022-11-03 01:40:06,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:06,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420513233] [2022-11-03 01:40:06,076 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:40:06,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333608873] [2022-11-03 01:40:06,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333608873] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:40:06,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [238086429] [2022-11-03 01:40:06,098 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-03 01:40:06,098 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:40:06,102 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:40:06,107 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:40:06,108 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:40:09,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:40:09,740 INFO L244 Elim1Store]: Index analysis took 490 ms [2022-11-03 01:40:32,810 WARN L234 SmtUtils]: Spent 23.00s on a formula simplification. DAG size of input: 1767 DAG size of output: 1179 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 01:40:32,814 INFO L356 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2022-11-03 01:40:32,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2366 [2022-11-03 01:40:36,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:40:36,898 INFO L244 Elim1Store]: Index analysis took 983 ms [2022-11-03 01:41:18,304 WARN L234 SmtUtils]: Spent 41.35s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 01:41:18,307 INFO L356 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-11-03 01:41:18,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:44:09,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:44:09,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:44:10,234 INFO L244 Elim1Store]: Index analysis took 465 ms [2022-11-03 01:44:38,037 WARN L234 SmtUtils]: Spent 27.75s on a formula simplification. DAG size of input: 1776 DAG size of output: 1183 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 01:44:38,042 INFO L356 Elim1Store]: treesize reduction 1974, result has 47.3 percent of original size [2022-11-03 01:44:38,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19506 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 197 case distinctions, treesize of input 997 treesize of output 2374 [2022-11-03 01:44:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:44:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:44:46,841 INFO L244 Elim1Store]: Index analysis took 1215 ms [2022-11-03 01:45:30,627 WARN L234 SmtUtils]: Spent 43.74s on a formula simplification. DAG size of input: 2172 DAG size of output: 1185 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 01:45:30,631 INFO L356 Elim1Store]: treesize reduction 3546, result has 33.3 percent of original size [2022-11-03 01:45:30,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 200 select indices, 200 select index equivalence classes, 19703 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 394 case distinctions, treesize of input 1007 treesize of output 2389 [2022-11-03 01:45:53,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:53,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:53,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:53,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:53,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:53,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:53,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:53,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,141 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-03 01:45:54,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:45:54,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-03 01:45:54,321 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 01:45:54,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-03 01:46:00,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:00,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:00,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:00,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:00,607 INFO L244 Elim1Store]: Index analysis took 119 ms [2022-11-03 01:46:00,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:01,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:01,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:01,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:01,714 INFO L244 Elim1Store]: Index analysis took 107 ms [2022-11-03 01:46:01,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:02,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:02,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:02,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-03 01:46:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:03,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19703 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 [2022-11-03 01:46:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:04,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:25,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:25,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:25,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:25,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:25,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:25,611 INFO L244 Elim1Store]: Index analysis took 106 ms [2022-11-03 01:46:25,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:26,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:26,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:26,550 INFO L244 Elim1Store]: Index analysis took 146 ms [2022-11-03 01:46:26,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:27,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:27,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-03 01:46:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:28,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19703 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 [2022-11-03 01:46:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:29,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:44,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:44,318 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:45,874 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 01:46:45,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 01:46:45,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:49,365 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 01:46:49,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 01:46:49,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:52,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:52,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 202 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 49 [2022-11-03 01:46:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:53,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 200 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-03 01:46:53,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:53,878 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:53,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:46:54,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:47:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:15,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-11-03 01:47:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:15,420 INFO L356 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2022-11-03 01:47:15,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 205 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2022-11-03 01:47:29,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 197 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-03 01:47:29,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:29,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:29,616 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 01:47:29,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 2532 treesize of output 2526 [2022-11-03 01:47:30,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:30,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:30,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:47:30,338 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:47:30,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 2534 treesize of output 2510 [2022-11-03 01:47:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:31,118 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:47:31,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2495 treesize of output 2511 [2022-11-03 01:47:41,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 197 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-03 01:47:53,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:53,484 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 01:47:53,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 2532 treesize of output 2526 [2022-11-03 01:47:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:54,572 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:47:54,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 2534 treesize of output 2556 [2022-11-03 01:47:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:55,433 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:47:55,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2495 treesize of output 2511 [2022-11-03 01:49:04,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 197 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-03 01:49:04,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 197 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-03 01:49:05,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:10,029 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-03 01:50:10,068 INFO L197 IcfgInterpreter]: Interpreting procedure aws_hash_table_get_entry_count with input of size 54 for LOIs [2022-11-03 01:50:10,087 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 2815 for LOIs [2022-11-03 01:50:16,387 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 47 for LOIs [2022-11-03 01:50:16,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-03 01:50:16,635 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:16,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-03 01:50:16,785 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 01:50:16,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-03 01:50:16,849 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 79 for LOIs [2022-11-03 01:50:17,089 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 64 for LOIs [2022-11-03 01:50:17,107 INFO L197 IcfgInterpreter]: Interpreting procedure aws_add_size_checked with input of size 98 for LOIs [2022-11-03 01:50:17,431 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_plus with input of size 80 for LOIs [2022-11-03 01:50:17,451 INFO L197 IcfgInterpreter]: Interpreting procedure aws_hash_table_is_valid with input of size 1112 for LOIs [2022-11-03 01:50:31,777 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_is_valid with input of size 1113 for LOIs [2022-11-03 01:50:37,771 INFO L197 IcfgInterpreter]: Interpreting procedure aws_is_power_of_two with input of size 2854 for LOIs [2022-11-03 01:50:48,816 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 708 for LOIs [2022-11-03 01:50:53,069 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 736 for LOIs [2022-11-03 01:50:53,919 INFO L180 IcfgInterpreter]: Interpretation finished