./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e3410638a547f2efce35a13c7d23c64ee660b1c493ec273ce9d4043edc218c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:21:42,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:21:43,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 03:21:43,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:21:43,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:21:43,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:21:43,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:21:43,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:21:43,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:21:43,076 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:21:43,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:21:43,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:21:43,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:21:43,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:21:43,079 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:21:43,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:21:43,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:21:43,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:21:43,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:21:43,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:21:43,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:21:43,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:21:43,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:21:43,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:21:43,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:21:43,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:21:43,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:21:43,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:21:43,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:21:43,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:21:43,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:21:43,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:21:43,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:21:43,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:21:43,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:21:43,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:21:43,088 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:21:43,096 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:21:43,096 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:21:43,096 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3410638a547f2efce35a13c7d23c64ee660b1c493ec273ce9d4043edc218c3 [2023-11-29 03:21:43,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:21:43,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:21:43,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:21:43,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:21:43,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:21:43,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i [2023-11-29 03:21:46,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:21:46,574 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:21:46,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i [2023-11-29 03:21:46,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/data/5ce5c02d1/3aee5580c000485d8f287ee3f9743ad8/FLAG5c57d4b30 [2023-11-29 03:21:46,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/data/5ce5c02d1/3aee5580c000485d8f287ee3f9743ad8 [2023-11-29 03:21:46,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:21:46,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:21:46,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:21:46,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:21:46,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:21:46,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:21:46" (1/1) ... [2023-11-29 03:21:46,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2253a26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:46, skipping insertion in model container [2023-11-29 03:21:46,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:21:46" (1/1) ... [2023-11-29 03:21:46,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:21:47,022 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2023-11-29 03:21:47,030 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2023-11-29 03:21:48,181 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,182 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,182 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,183 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,184 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,195 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,196 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,198 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,198 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,200 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,201 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,201 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,202 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:48,770 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 03:21:48,771 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 03:21:48,772 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 03:21:48,773 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 03:21:48,775 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 03:21:48,775 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 03:21:48,776 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 03:21:48,776 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 03:21:48,777 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 03:21:48,778 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 03:21:49,350 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,351 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,375 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,384 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,384 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,401 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,402 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,402 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,403 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,403 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,404 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,404 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:21:49,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:21:49,495 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2023-11-29 03:21:49,496 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2023-11-29 03:21:49,533 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,533 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,534 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,534 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,535 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,542 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,542 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,543 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,544 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,545 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,546 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,546 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,546 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,580 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 03:21:49,581 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 03:21:49,582 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 03:21:49,583 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 03:21:49,584 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 03:21:49,584 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 03:21:49,585 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 03:21:49,585 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 03:21:49,585 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 03:21:49,586 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 03:21:49,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2023-11-29 03:21:49,709 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,709 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,741 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,742 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,744 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,745 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,753 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,754 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,755 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,755 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,756 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,756 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,756 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:21:49,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:21:50,085 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,086 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,086 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,086 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,086 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,086 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,086 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,086 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,087 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,087 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,087 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,087 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,087 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,087 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,087 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,087 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,088 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,088 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:21:50,096 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:21:50,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50 WrapperNode [2023-11-29 03:21:50,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:21:50,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:21:50,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:21:50,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:21:50,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,279 INFO L138 Inliner]: procedures = 773, calls = 2490, calls flagged for inlining = 70, calls inlined = 25, statements flattened = 1457 [2023-11-29 03:21:50,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:21:50,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:21:50,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:21:50,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:21:50,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,348 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-29 03:21:50,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:21:50,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:21:50,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:21:50,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:21:50,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (1/1) ... [2023-11-29 03:21:50,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:21:50,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:50,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:21:50,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:21:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-29 03:21:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-29 03:21:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-29 03:21:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2023-11-29 03:21:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 03:21:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-29 03:21:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-29 03:21:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 03:21:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 03:21:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-29 03:21:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-29 03:21:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:21:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:21:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 03:21:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2023-11-29 03:21:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2023-11-29 03:21:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:21:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:21:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-29 03:21:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-29 03:21:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-29 03:21:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-29 03:21:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-29 03:21:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-29 03:21:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-29 03:21:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-29 03:21:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2023-11-29 03:21:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-29 03:21:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2023-11-29 03:21:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2023-11-29 03:21:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2023-11-29 03:21:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2023-11-29 03:21:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2023-11-29 03:21:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:21:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-29 03:21:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-29 03:21:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-29 03:21:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2023-11-29 03:21:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2023-11-29 03:21:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-29 03:21:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-29 03:21:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-29 03:21:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 03:21:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 03:21:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2023-11-29 03:21:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2023-11-29 03:21:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2023-11-29 03:21:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2023-11-29 03:21:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2023-11-29 03:21:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2023-11-29 03:21:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:21:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:21:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-29 03:21:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-29 03:21:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-29 03:21:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-29 03:21:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-29 03:21:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-29 03:21:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-29 03:21:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-29 03:21:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-29 03:21:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2023-11-29 03:21:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2023-11-29 03:21:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-29 03:21:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-29 03:21:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:21:50,865 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:21:50,867 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:21:51,154 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2023-11-29 03:21:51,192 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2023-11-29 03:21:51,626 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2023-11-29 03:21:51,626 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !true; [2023-11-29 03:21:52,781 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:21:52,914 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:21:52,914 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-29 03:21:52,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:21:52 BoogieIcfgContainer [2023-11-29 03:21:52,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:21:52,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:21:52,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:21:52,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:21:52,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:21:46" (1/3) ... [2023-11-29 03:21:52,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4f166b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:21:52, skipping insertion in model container [2023-11-29 03:21:52,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:50" (2/3) ... [2023-11-29 03:21:52,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4f166b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:21:52, skipping insertion in model container [2023-11-29 03:21:52,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:21:52" (3/3) ... [2023-11-29 03:21:52,924 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness.i [2023-11-29 03:21:52,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:21:52,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:21:53,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:21:53,012 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2bf67d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:21:53,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:21:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 359 states, 246 states have (on average 1.3739837398373984) internal successors, (338), 243 states have internal predecessors, (338), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 03:21:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 03:21:53,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:53,036 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:21:53,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:21:53,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:53,042 INFO L85 PathProgramCache]: Analyzing trace with hash -942396818, now seen corresponding path program 1 times [2023-11-29 03:21:53,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:53,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072527526] [2023-11-29 03:21:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:53,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:53,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072527526] [2023-11-29 03:21:53,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 03:21:53,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927704839] [2023-11-29 03:21:53,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:53,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:53,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:53,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:21:53,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:21:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:54,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:21:54,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-29 03:21:54,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:21:54,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927704839] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:54,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:54,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:21:54,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710324848] [2023-11-29 03:21:54,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:54,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:21:54,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:54,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:21:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:21:54,446 INFO L87 Difference]: Start difference. First operand has 359 states, 246 states have (on average 1.3739837398373984) internal successors, (338), 243 states have internal predecessors, (338), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 03:21:54,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:54,802 INFO L93 Difference]: Finished difference Result 714 states and 1070 transitions. [2023-11-29 03:21:54,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:21:54,805 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 119 [2023-11-29 03:21:54,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:54,819 INFO L225 Difference]: With dead ends: 714 [2023-11-29 03:21:54,819 INFO L226 Difference]: Without dead ends: 357 [2023-11-29 03:21:54,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:21:54,830 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:54,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:21:54,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-11-29 03:21:54,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2023-11-29 03:21:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 241 states have (on average 1.3526970954356847) internal successors, (326), 242 states have internal predecessors, (326), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-11-29 03:21:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 497 transitions. [2023-11-29 03:21:54,895 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 497 transitions. Word has length 119 [2023-11-29 03:21:54,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:54,896 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 497 transitions. [2023-11-29 03:21:54,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 03:21:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 497 transitions. [2023-11-29 03:21:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 03:21:54,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:54,900 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:21:54,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:21:55,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:55,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:21:55,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:55,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1381063576, now seen corresponding path program 1 times [2023-11-29 03:21:55,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:55,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156108934] [2023-11-29 03:21:55,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:55,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:55,321 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:21:55,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571257766] [2023-11-29 03:21:55,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:55,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:55,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:55,323 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:21:55,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:21:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:56,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:21:56,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-29 03:21:56,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:21:56,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:56,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156108934] [2023-11-29 03:21:56,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:21:56,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571257766] [2023-11-29 03:21:56,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571257766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:56,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:56,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:21:56,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029156858] [2023-11-29 03:21:56,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:56,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:21:56,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:56,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:21:56,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:21:56,131 INFO L87 Difference]: Start difference. First operand 357 states and 497 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 03:21:56,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:56,604 INFO L93 Difference]: Finished difference Result 710 states and 992 transitions. [2023-11-29 03:21:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:21:56,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 119 [2023-11-29 03:21:56,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:56,612 INFO L225 Difference]: With dead ends: 710 [2023-11-29 03:21:56,612 INFO L226 Difference]: Without dead ends: 361 [2023-11-29 03:21:56,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:21:56,615 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 1 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:56,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1872 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:21:56,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2023-11-29 03:21:56,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2023-11-29 03:21:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 244 states have (on average 1.348360655737705) internal successors, (329), 245 states have internal predecessors, (329), 86 states have call successors, (86), 29 states have call predecessors, (86), 30 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2023-11-29 03:21:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 504 transitions. [2023-11-29 03:21:56,686 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 504 transitions. Word has length 119 [2023-11-29 03:21:56,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:56,686 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 504 transitions. [2023-11-29 03:21:56,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 03:21:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 504 transitions. [2023-11-29 03:21:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 03:21:56,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:56,690 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:21:56,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:21:56,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:56,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:21:56,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:56,894 INFO L85 PathProgramCache]: Analyzing trace with hash 55862867, now seen corresponding path program 1 times [2023-11-29 03:21:56,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:56,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047027514] [2023-11-29 03:21:56,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:56,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:21:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:21:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:21:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:21:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:21:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:21:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:21:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:21:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:21:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:21:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:21:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:21:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 03:21:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 03:21:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 03:21:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 03:21:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:21:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 03:21:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:21:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 03:21:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 03:21:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-29 03:21:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:21:59,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:59,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047027514] [2023-11-29 03:21:59,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047027514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:59,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:59,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 03:21:59,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536929060] [2023-11-29 03:21:59,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:59,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 03:21:59,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:59,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 03:21:59,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:21:59,149 INFO L87 Difference]: Start difference. First operand 361 states and 504 transitions. Second operand has 13 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-29 03:22:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:07,678 INFO L93 Difference]: Finished difference Result 756 states and 1059 transitions. [2023-11-29 03:22:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:22:07,679 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 123 [2023-11-29 03:22:07,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:07,683 INFO L225 Difference]: With dead ends: 756 [2023-11-29 03:22:07,683 INFO L226 Difference]: Without dead ends: 413 [2023-11-29 03:22:07,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:22:07,686 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 424 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:07,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1877 Invalid, 2630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-11-29 03:22:07,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-11-29 03:22:07,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 365. [2023-11-29 03:22:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 247 states have (on average 1.3481781376518218) internal successors, (333), 249 states have internal predecessors, (333), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2023-11-29 03:22:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 509 transitions. [2023-11-29 03:22:07,726 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 509 transitions. Word has length 123 [2023-11-29 03:22:07,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:07,727 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 509 transitions. [2023-11-29 03:22:07,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-29 03:22:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 509 transitions. [2023-11-29 03:22:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 03:22:07,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:07,731 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:07,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:22:07,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:22:07,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:07,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1630316971, now seen corresponding path program 1 times [2023-11-29 03:22:07,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:07,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631840396] [2023-11-29 03:22:07,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:07,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:22:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:22:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:22:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:22:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:22:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:22:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 03:22:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 03:22:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 03:22:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 03:22:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:22:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 03:22:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:22:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 03:22:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 03:22:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-29 03:22:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:22:08,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:08,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631840396] [2023-11-29 03:22:08,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631840396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:08,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:22:08,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:22:08,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439729486] [2023-11-29 03:22:08,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:08,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:22:08,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:08,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:22:08,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:22:08,412 INFO L87 Difference]: Start difference. First operand 365 states and 509 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 03:22:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:12,101 INFO L93 Difference]: Finished difference Result 761 states and 1065 transitions. [2023-11-29 03:22:12,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:22:12,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 123 [2023-11-29 03:22:12,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:12,106 INFO L225 Difference]: With dead ends: 761 [2023-11-29 03:22:12,106 INFO L226 Difference]: Without dead ends: 408 [2023-11-29 03:22:12,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:22:12,109 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 476 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:12,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 1134 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 03:22:12,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-29 03:22:12,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 363. [2023-11-29 03:22:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 245 states have (on average 1.3428571428571427) internal successors, (329), 247 states have internal predecessors, (329), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2023-11-29 03:22:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 505 transitions. [2023-11-29 03:22:12,139 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 505 transitions. Word has length 123 [2023-11-29 03:22:12,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:12,140 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 505 transitions. [2023-11-29 03:22:12,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 03:22:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 505 transitions. [2023-11-29 03:22:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 03:22:12,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:12,143 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:12,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:22:12,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:22:12,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:12,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1188634607, now seen corresponding path program 1 times [2023-11-29 03:22:12,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:12,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659580486] [2023-11-29 03:22:12,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:12,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:22:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:22:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:22:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:22:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:22:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:12,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:22:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:22:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 03:22:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:22:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 03:22:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 03:22:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 03:22:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:22:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 03:22:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:22:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 03:22:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 03:22:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-29 03:22:13,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:13,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659580486] [2023-11-29 03:22:13,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659580486] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:22:13,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129583586] [2023-11-29 03:22:13,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:13,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:22:13,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:22:13,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:22:13,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:22:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:13,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 2611 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 03:22:13,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:22:18,157 WARN L876 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)))) is different from true [2023-11-29 03:22:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-29 03:22:26,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:22:26,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129583586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:26,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:22:26,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-11-29 03:22:26,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3629757] [2023-11-29 03:22:26,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:26,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:22:26,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:26,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:22:26,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2023-11-29 03:22:26,292 INFO L87 Difference]: Start difference. First operand 363 states and 505 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-29 03:22:29,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:34,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:38,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:38,566 INFO L93 Difference]: Finished difference Result 716 states and 995 transitions. [2023-11-29 03:22:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:22:38,567 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 129 [2023-11-29 03:22:38,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:38,569 INFO L225 Difference]: With dead ends: 716 [2023-11-29 03:22:38,570 INFO L226 Difference]: Without dead ends: 369 [2023-11-29 03:22:38,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=64, Invalid=279, Unknown=3, NotChecked=34, Total=380 [2023-11-29 03:22:38,571 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 12 mSDsluCounter, 2028 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 508 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:38,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2491 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 477 Invalid, 1 Unknown, 508 Unchecked, 12.1s Time] [2023-11-29 03:22:38,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-11-29 03:22:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2023-11-29 03:22:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 249 states have (on average 1.3373493975903614) internal successors, (333), 251 states have internal predecessors, (333), 87 states have call successors, (87), 30 states have call predecessors, (87), 32 states have return successors, (91), 87 states have call predecessors, (91), 86 states have call successors, (91) [2023-11-29 03:22:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 511 transitions. [2023-11-29 03:22:38,593 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 511 transitions. Word has length 129 [2023-11-29 03:22:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:38,593 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 511 transitions. [2023-11-29 03:22:38,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-29 03:22:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 511 transitions. [2023-11-29 03:22:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 03:22:38,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:38,596 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:38,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:22:38,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:22:38,796 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:22:38,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash -647089324, now seen corresponding path program 1 times [2023-11-29 03:22:38,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:38,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855371386] [2023-11-29 03:22:38,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:38,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:22:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:22:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:22:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:22:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:22:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:22:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:22:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:22:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:22:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:22:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:22:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:22:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:22:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:22:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:22:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:22:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 03:22:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 03:22:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-29 03:22:39,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:39,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855371386] [2023-11-29 03:22:39,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855371386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:39,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:22:39,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:22:39,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108600] [2023-11-29 03:22:39,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:39,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:22:39,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:39,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:22:39,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:22:39,677 INFO L87 Difference]: Start difference. First operand 369 states and 511 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 03:22:43,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:43,816 INFO L93 Difference]: Finished difference Result 744 states and 1038 transitions. [2023-11-29 03:22:43,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:22:43,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 135 [2023-11-29 03:22:43,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:43,820 INFO L225 Difference]: With dead ends: 744 [2023-11-29 03:22:43,820 INFO L226 Difference]: Without dead ends: 416 [2023-11-29 03:22:43,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:22:43,822 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 401 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:43,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 1525 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 03:22:43,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-11-29 03:22:43,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 371. [2023-11-29 03:22:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 250 states have (on average 1.336) internal successors, (334), 253 states have internal predecessors, (334), 87 states have call successors, (87), 30 states have call predecessors, (87), 33 states have return successors, (96), 87 states have call predecessors, (96), 86 states have call successors, (96) [2023-11-29 03:22:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 517 transitions. [2023-11-29 03:22:43,849 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 517 transitions. Word has length 135 [2023-11-29 03:22:43,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:43,849 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 517 transitions. [2023-11-29 03:22:43,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 03:22:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 517 transitions. [2023-11-29 03:22:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 03:22:43,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:43,852 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:43,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:22:43,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:22:43,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:43,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1503271865, now seen corresponding path program 1 times [2023-11-29 03:22:43,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:43,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894181538] [2023-11-29 03:22:43,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:43,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:22:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:44,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:22:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:44,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:22:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:44,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:44,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:22:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:22:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:22:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:22:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:22:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:22:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:22:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:22:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:22:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:22:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:22:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:22:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:22:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 03:22:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:22:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 03:22:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-29 03:22:45,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:45,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894181538] [2023-11-29 03:22:45,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894181538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:45,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:22:45,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:22:45,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037341273] [2023-11-29 03:22:45,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:45,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:22:45,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:45,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:22:45,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:22:45,169 INFO L87 Difference]: Start difference. First operand 371 states and 517 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 03:22:50,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:50,047 INFO L93 Difference]: Finished difference Result 422 states and 589 transitions. [2023-11-29 03:22:50,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:22:50,047 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 141 [2023-11-29 03:22:50,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:50,051 INFO L225 Difference]: With dead ends: 422 [2023-11-29 03:22:50,051 INFO L226 Difference]: Without dead ends: 420 [2023-11-29 03:22:50,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:22:50,052 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 282 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:50,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1364 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1503 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 03:22:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-11-29 03:22:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 375. [2023-11-29 03:22:50,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 253 states have (on average 1.33201581027668) internal successors, (337), 256 states have internal predecessors, (337), 87 states have call successors, (87), 31 states have call predecessors, (87), 34 states have return successors, (96), 87 states have call predecessors, (96), 86 states have call successors, (96) [2023-11-29 03:22:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 520 transitions. [2023-11-29 03:22:50,075 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 520 transitions. Word has length 141 [2023-11-29 03:22:50,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:50,076 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 520 transitions. [2023-11-29 03:22:50,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 03:22:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 520 transitions. [2023-11-29 03:22:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 03:22:50,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:50,078 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:50,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:22:50,078 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:22:50,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:50,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2049273156, now seen corresponding path program 1 times [2023-11-29 03:22:50,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:50,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107343801] [2023-11-29 03:22:50,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:22:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:22:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:22:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:22:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:22:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:22:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:22:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:22:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:22:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:22:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:22:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:22:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:22:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:22:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:22:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:22:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 03:22:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:22:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 03:22:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 03:22:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-29 03:22:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-29 03:22:51,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:51,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107343801] [2023-11-29 03:22:51,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107343801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:51,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:22:51,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:22:51,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871337155] [2023-11-29 03:22:51,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:51,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:22:51,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:51,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:22:51,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:22:51,110 INFO L87 Difference]: Start difference. First operand 375 states and 520 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 03:22:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:22:55,897 INFO L93 Difference]: Finished difference Result 428 states and 594 transitions. [2023-11-29 03:22:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:22:55,898 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 151 [2023-11-29 03:22:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:22:55,902 INFO L225 Difference]: With dead ends: 428 [2023-11-29 03:22:55,902 INFO L226 Difference]: Without dead ends: 426 [2023-11-29 03:22:55,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:22:55,903 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 282 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:22:55,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1365 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 03:22:55,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-11-29 03:22:55,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 379. [2023-11-29 03:22:55,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 256 states have (on average 1.328125) internal successors, (340), 259 states have internal predecessors, (340), 87 states have call successors, (87), 32 states have call predecessors, (87), 35 states have return successors, (96), 87 states have call predecessors, (96), 86 states have call successors, (96) [2023-11-29 03:22:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 523 transitions. [2023-11-29 03:22:55,933 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 523 transitions. Word has length 151 [2023-11-29 03:22:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:22:55,934 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 523 transitions. [2023-11-29 03:22:55,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 03:22:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 523 transitions. [2023-11-29 03:22:55,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-29 03:22:55,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:22:55,937 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:22:55,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:22:55,938 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:22:55,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:22:55,938 INFO L85 PathProgramCache]: Analyzing trace with hash 392796165, now seen corresponding path program 1 times [2023-11-29 03:22:55,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:22:55,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302628826] [2023-11-29 03:22:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:22:55,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:22:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:22:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:22:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:22:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:22:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:22:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:22:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:22:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:22:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:22:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:22:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:22:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:22:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:22:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:22:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:22:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:22:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:22:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:22:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:22:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:22:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:22:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 03:22:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-29 03:22:56,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:22:56,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302628826] [2023-11-29 03:22:56,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302628826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:22:56,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:22:56,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:22:56,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165453434] [2023-11-29 03:22:56,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:22:56,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:22:56,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:22:56,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:22:56,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:22:56,778 INFO L87 Difference]: Start difference. First operand 379 states and 523 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 03:23:02,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:02,914 INFO L93 Difference]: Finished difference Result 693 states and 960 transitions. [2023-11-29 03:23:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:23:02,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2023-11-29 03:23:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:02,917 INFO L225 Difference]: With dead ends: 693 [2023-11-29 03:23:02,917 INFO L226 Difference]: Without dead ends: 448 [2023-11-29 03:23:02,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:23:02,918 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 667 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:02,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 1385 Invalid, 1916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 1578 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-11-29 03:23:02,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2023-11-29 03:23:02,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 379. [2023-11-29 03:23:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 256 states have (on average 1.3203125) internal successors, (338), 259 states have internal predecessors, (338), 87 states have call successors, (87), 32 states have call predecessors, (87), 35 states have return successors, (96), 87 states have call predecessors, (96), 86 states have call successors, (96) [2023-11-29 03:23:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 521 transitions. [2023-11-29 03:23:02,943 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 521 transitions. Word has length 162 [2023-11-29 03:23:02,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:02,944 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 521 transitions. [2023-11-29 03:23:02,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 03:23:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 521 transitions. [2023-11-29 03:23:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-29 03:23:02,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:02,948 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:02,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:23:02,948 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:02,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:02,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1413864519, now seen corresponding path program 1 times [2023-11-29 03:23:02,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:02,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404275243] [2023-11-29 03:23:02,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:02,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:23:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:23:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:23:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:23:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:23:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:23:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:23:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:23:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:23:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:23:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:23:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:23:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:23:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:23:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:23:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:23:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:23:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 03:23:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-29 03:23:03,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:03,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404275243] [2023-11-29 03:23:03,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404275243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:03,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:03,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:23:03,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245060254] [2023-11-29 03:23:03,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:03,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:23:03,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:03,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:23:03,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:23:03,761 INFO L87 Difference]: Start difference. First operand 379 states and 521 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 03:23:07,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:23:11,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:11,904 INFO L93 Difference]: Finished difference Result 538 states and 755 transitions. [2023-11-29 03:23:11,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:23:11,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2023-11-29 03:23:11,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:11,909 INFO L225 Difference]: With dead ends: 538 [2023-11-29 03:23:11,909 INFO L226 Difference]: Without dead ends: 481 [2023-11-29 03:23:11,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:23:11,910 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 611 mSDsluCounter, 1240 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:11,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 1557 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-29 03:23:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-29 03:23:11,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 383. [2023-11-29 03:23:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 259 states have (on average 1.3166023166023166) internal successors, (341), 262 states have internal predecessors, (341), 87 states have call successors, (87), 32 states have call predecessors, (87), 36 states have return successors, (97), 88 states have call predecessors, (97), 86 states have call successors, (97) [2023-11-29 03:23:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 525 transitions. [2023-11-29 03:23:11,934 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 525 transitions. Word has length 162 [2023-11-29 03:23:11,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:11,935 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 525 transitions. [2023-11-29 03:23:11,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 03:23:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 525 transitions. [2023-11-29 03:23:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-29 03:23:11,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:11,938 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:11,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:23:11,938 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:11,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:11,938 INFO L85 PathProgramCache]: Analyzing trace with hash 706910003, now seen corresponding path program 1 times [2023-11-29 03:23:11,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:11,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39323838] [2023-11-29 03:23:11,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:11,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:23:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:23:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:23:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:23:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:23:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:23:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:23:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:23:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:23:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:23:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:23:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:23:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:23:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:23:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:23:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:23:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:23:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 03:23:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-29 03:23:12,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:12,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39323838] [2023-11-29 03:23:12,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39323838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:12,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:12,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:23:12,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851014451] [2023-11-29 03:23:12,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:12,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:23:12,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:12,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:23:12,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:23:12,596 INFO L87 Difference]: Start difference. First operand 383 states and 525 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 03:23:19,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:19,973 INFO L93 Difference]: Finished difference Result 698 states and 964 transitions. [2023-11-29 03:23:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:23:19,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-11-29 03:23:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:19,976 INFO L225 Difference]: With dead ends: 698 [2023-11-29 03:23:19,977 INFO L226 Difference]: Without dead ends: 453 [2023-11-29 03:23:19,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:23:19,978 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 350 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:19,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1044 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-11-29 03:23:19,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-11-29 03:23:19,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 384. [2023-11-29 03:23:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 260 states have (on average 1.3153846153846154) internal successors, (342), 263 states have internal predecessors, (342), 87 states have call successors, (87), 32 states have call predecessors, (87), 36 states have return successors, (97), 88 states have call predecessors, (97), 86 states have call successors, (97) [2023-11-29 03:23:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 526 transitions. [2023-11-29 03:23:19,997 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 526 transitions. Word has length 164 [2023-11-29 03:23:19,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:19,998 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 526 transitions. [2023-11-29 03:23:19,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 03:23:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 526 transitions. [2023-11-29 03:23:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 03:23:20,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:20,000 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:20,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:23:20,000 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:20,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:20,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1565703779, now seen corresponding path program 1 times [2023-11-29 03:23:20,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:20,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451718375] [2023-11-29 03:23:20,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:23:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:23:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:23:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:23:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:23:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:23:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:23:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:23:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:23:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:23:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:23:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:23:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:23:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:23:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:23:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:23:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:23:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 03:23:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 03:23:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-29 03:23:21,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:21,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451718375] [2023-11-29 03:23:21,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451718375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:21,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:21,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 03:23:21,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672746663] [2023-11-29 03:23:21,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:21,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 03:23:21,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:21,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 03:23:21,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:23:21,697 INFO L87 Difference]: Start difference. First operand 384 states and 526 transitions. Second operand has 15 states, 15 states have (on average 5.0) internal successors, (75), 9 states have internal predecessors, (75), 6 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-29 03:23:25,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:23:30,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:30,292 INFO L93 Difference]: Finished difference Result 825 states and 1154 transitions. [2023-11-29 03:23:30,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 03:23:30,292 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 9 states have internal predecessors, (75), 6 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) Word has length 177 [2023-11-29 03:23:30,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:30,296 INFO L225 Difference]: With dead ends: 825 [2023-11-29 03:23:30,296 INFO L226 Difference]: Without dead ends: 518 [2023-11-29 03:23:30,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2023-11-29 03:23:30,298 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 481 mSDsluCounter, 2924 mSDsCounter, 0 mSdLazyCounter, 3662 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 3216 SdHoareTripleChecker+Invalid, 3774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:30,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 3216 Invalid, 3774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3662 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-11-29 03:23:30,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2023-11-29 03:23:30,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 439. [2023-11-29 03:23:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 302 states have (on average 1.3245033112582782) internal successors, (400), 307 states have internal predecessors, (400), 95 states have call successors, (95), 35 states have call predecessors, (95), 41 states have return successors, (109), 96 states have call predecessors, (109), 94 states have call successors, (109) [2023-11-29 03:23:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 604 transitions. [2023-11-29 03:23:30,330 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 604 transitions. Word has length 177 [2023-11-29 03:23:30,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:30,330 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 604 transitions. [2023-11-29 03:23:30,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 9 states have internal predecessors, (75), 6 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-29 03:23:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 604 transitions. [2023-11-29 03:23:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 03:23:30,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:30,333 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:30,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:23:30,333 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:30,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:30,334 INFO L85 PathProgramCache]: Analyzing trace with hash 323782692, now seen corresponding path program 1 times [2023-11-29 03:23:30,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:30,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122649877] [2023-11-29 03:23:30,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:30,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:23:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:23:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:23:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:23:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:23:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:23:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:23:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:23:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:23:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:23:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:23:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:23:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:23:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:23:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:23:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:23:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:23:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 03:23:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 03:23:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-29 03:23:31,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:31,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122649877] [2023-11-29 03:23:31,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122649877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:31,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:31,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:23:31,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197606613] [2023-11-29 03:23:31,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:31,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:23:31,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:31,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:23:31,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:23:31,187 INFO L87 Difference]: Start difference. First operand 439 states and 604 transitions. Second operand has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 03:23:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:37,438 INFO L93 Difference]: Finished difference Result 565 states and 782 transitions. [2023-11-29 03:23:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:23:37,439 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-29 03:23:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:37,442 INFO L225 Difference]: With dead ends: 565 [2023-11-29 03:23:37,442 INFO L226 Difference]: Without dead ends: 510 [2023-11-29 03:23:37,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:23:37,444 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 702 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 2036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:37,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 1447 Invalid, 2036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-29 03:23:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-11-29 03:23:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 443. [2023-11-29 03:23:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 305 states have (on average 1.321311475409836) internal successors, (403), 310 states have internal predecessors, (403), 95 states have call successors, (95), 35 states have call predecessors, (95), 42 states have return successors, (111), 97 states have call predecessors, (111), 94 states have call successors, (111) [2023-11-29 03:23:37,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 609 transitions. [2023-11-29 03:23:37,475 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 609 transitions. Word has length 170 [2023-11-29 03:23:37,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:37,476 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 609 transitions. [2023-11-29 03:23:37,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 03:23:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 609 transitions. [2023-11-29 03:23:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 03:23:37,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:37,479 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:37,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:23:37,479 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:37,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:37,480 INFO L85 PathProgramCache]: Analyzing trace with hash -571697792, now seen corresponding path program 1 times [2023-11-29 03:23:37,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:37,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525030089] [2023-11-29 03:23:37,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:37,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:23:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:23:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:23:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:23:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:23:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:23:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:23:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:23:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:23:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:23:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:23:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:23:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:23:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:23:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:23:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:23:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:23:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 03:23:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-29 03:23:38,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525030089] [2023-11-29 03:23:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525030089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:38,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:23:38,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952990899] [2023-11-29 03:23:38,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:38,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:23:38,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:38,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:23:38,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:23:38,169 INFO L87 Difference]: Start difference. First operand 443 states and 609 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 03:23:45,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:45,899 INFO L93 Difference]: Finished difference Result 575 states and 800 transitions. [2023-11-29 03:23:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:23:45,899 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2023-11-29 03:23:45,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:45,903 INFO L225 Difference]: With dead ends: 575 [2023-11-29 03:23:45,903 INFO L226 Difference]: Without dead ends: 534 [2023-11-29 03:23:45,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:23:45,905 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 373 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:45,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 1290 Invalid, 1607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1511 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-29 03:23:45,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-11-29 03:23:45,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 445. [2023-11-29 03:23:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 307 states have (on average 1.3192182410423452) internal successors, (405), 312 states have internal predecessors, (405), 95 states have call successors, (95), 35 states have call predecessors, (95), 42 states have return successors, (111), 97 states have call predecessors, (111), 94 states have call successors, (111) [2023-11-29 03:23:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 611 transitions. [2023-11-29 03:23:45,940 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 611 transitions. Word has length 169 [2023-11-29 03:23:45,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:45,940 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 611 transitions. [2023-11-29 03:23:45,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 03:23:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 611 transitions. [2023-11-29 03:23:45,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 03:23:45,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:45,943 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:45,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:23:45,943 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:45,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:45,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1047385547, now seen corresponding path program 1 times [2023-11-29 03:23:45,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:45,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765617713] [2023-11-29 03:23:45,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:45,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:23:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:23:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:23:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 03:23:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:23:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:23:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:23:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:23:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:23:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:23:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:23:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:23:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:23:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:23:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:23:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:23:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:23:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 03:23:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 03:23:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-29 03:23:48,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:48,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765617713] [2023-11-29 03:23:48,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765617713] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:23:48,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267624243] [2023-11-29 03:23:48,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:48,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:23:48,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:48,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:23:48,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:23:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:49,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-29 03:23:49,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:23:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-29 03:23:49,757 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:23:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267624243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:49,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:23:49,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 14 [2023-11-29 03:23:49,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571718569] [2023-11-29 03:23:49,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:49,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:23:49,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:49,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:23:49,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:23:49,760 INFO L87 Difference]: Start difference. First operand 445 states and 611 transitions. Second operand has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-29 03:23:50,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:50,789 INFO L93 Difference]: Finished difference Result 887 states and 1218 transitions. [2023-11-29 03:23:50,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:23:50,789 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 174 [2023-11-29 03:23:50,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:50,792 INFO L225 Difference]: With dead ends: 887 [2023-11-29 03:23:50,792 INFO L226 Difference]: Without dead ends: 447 [2023-11-29 03:23:50,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:23:50,794 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 5 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3050 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:50,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3050 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:23:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-29 03:23:50,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2023-11-29 03:23:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 308 states have (on average 1.3181818181818181) internal successors, (406), 314 states have internal predecessors, (406), 95 states have call successors, (95), 35 states have call predecessors, (95), 43 states have return successors, (113), 97 states have call predecessors, (113), 94 states have call successors, (113) [2023-11-29 03:23:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 614 transitions. [2023-11-29 03:23:50,816 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 614 transitions. Word has length 174 [2023-11-29 03:23:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:50,816 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 614 transitions. [2023-11-29 03:23:50,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-29 03:23:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 614 transitions. [2023-11-29 03:23:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 03:23:50,817 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:50,817 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:50,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:23:51,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 03:23:51,018 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:51,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:51,019 INFO L85 PathProgramCache]: Analyzing trace with hash -576537072, now seen corresponding path program 1 times [2023-11-29 03:23:51,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:51,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416509302] [2023-11-29 03:23:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:51,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:23:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 03:23:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 03:23:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 03:23:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 03:23:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:23:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:23:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 03:23:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 03:23:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 03:23:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:23:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 03:23:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 03:23:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 03:23:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 03:23:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 03:23:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:23:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-29 03:23:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 03:23:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:23:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:23:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-29 03:23:55,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:55,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416509302] [2023-11-29 03:23:55,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416509302] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:23:55,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522662018] [2023-11-29 03:23:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:55,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:23:55,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:55,637 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:23:55,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:23:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:56,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 2948 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-29 03:23:56,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:23:56,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:23:56,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:23:56,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2023-11-29 03:23:56,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:23:56,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 34 [2023-11-29 03:23:58,112 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-11-29 03:23:58,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 22 [2023-11-29 03:23:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-29 03:23:58,119 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:23:58,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522662018] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:23:58,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:23:58,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 33 [2023-11-29 03:23:58,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271434203] [2023-11-29 03:23:58,878 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:23:58,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-29 03:23:58,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:58,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-29 03:23:58,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1304, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 03:23:58,881 INFO L87 Difference]: Start difference. First operand 447 states and 614 transitions. Second operand has 33 states, 26 states have (on average 5.6923076923076925) internal successors, (148), 24 states have internal predecessors, (148), 9 states have call successors, (60), 7 states have call predecessors, (60), 11 states have return successors, (56), 10 states have call predecessors, (56), 9 states have call successors, (56) [2023-11-29 03:24:34,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:34,533 INFO L93 Difference]: Finished difference Result 989 states and 1357 transitions. [2023-11-29 03:24:34,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 03:24:34,534 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 26 states have (on average 5.6923076923076925) internal successors, (148), 24 states have internal predecessors, (148), 9 states have call successors, (60), 7 states have call predecessors, (60), 11 states have return successors, (56), 10 states have call predecessors, (56), 9 states have call successors, (56) Word has length 176 [2023-11-29 03:24:34,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:34,537 INFO L225 Difference]: With dead ends: 989 [2023-11-29 03:24:34,537 INFO L226 Difference]: Without dead ends: 550 [2023-11-29 03:24:34,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=618, Invalid=5234, Unknown=0, NotChecked=0, Total=5852 [2023-11-29 03:24:34,542 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 834 mSDsluCounter, 4997 mSDsCounter, 0 mSdLazyCounter, 7998 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 8501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 7998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:34,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 5278 Invalid, 8501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [503 Valid, 7998 Invalid, 0 Unknown, 0 Unchecked, 32.7s Time] [2023-11-29 03:24:34,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-11-29 03:24:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 472. [2023-11-29 03:24:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 327 states have (on average 1.3027522935779816) internal successors, (426), 332 states have internal predecessors, (426), 97 states have call successors, (97), 40 states have call predecessors, (97), 47 states have return successors, (114), 99 states have call predecessors, (114), 96 states have call successors, (114) [2023-11-29 03:24:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 637 transitions. [2023-11-29 03:24:34,582 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 637 transitions. Word has length 176 [2023-11-29 03:24:34,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:34,582 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 637 transitions. [2023-11-29 03:24:34,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 26 states have (on average 5.6923076923076925) internal successors, (148), 24 states have internal predecessors, (148), 9 states have call successors, (60), 7 states have call predecessors, (60), 11 states have return successors, (56), 10 states have call predecessors, (56), 9 states have call successors, (56) [2023-11-29 03:24:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 637 transitions. [2023-11-29 03:24:34,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-29 03:24:34,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:34,585 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:34,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:24:34,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 03:24:34,786 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:34,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:34,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1026585877, now seen corresponding path program 2 times [2023-11-29 03:24:34,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:34,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655678068] [2023-11-29 03:24:34,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:34,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:24:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:24:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 03:24:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 03:24:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 03:24:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:24:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:24:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:24:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 03:24:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 03:24:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:24:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:24:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:24:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:24:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 03:24:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:24:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:24:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:24:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 03:24:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:24:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 03:24:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 03:24:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 03:24:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:24:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:24:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:24:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 03:24:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 03:24:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:24:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 03:24:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 03:24:36,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:36,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655678068] [2023-11-29 03:24:36,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655678068] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:24:36,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003189630] [2023-11-29 03:24:36,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:24:36,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:24:36,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:36,558 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:24:36,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:24:37,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:24:37,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:24:37,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 2952 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:24:37,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-29 03:24:37,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:37,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003189630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:37,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:24:37,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2023-11-29 03:24:37,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352264504] [2023-11-29 03:24:37,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:37,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:24:37,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:37,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:24:37,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:24:37,387 INFO L87 Difference]: Start difference. First operand 472 states and 637 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-29 03:24:38,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:38,101 INFO L93 Difference]: Finished difference Result 938 states and 1264 transitions. [2023-11-29 03:24:38,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:24:38,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 178 [2023-11-29 03:24:38,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:38,104 INFO L225 Difference]: With dead ends: 938 [2023-11-29 03:24:38,104 INFO L226 Difference]: Without dead ends: 474 [2023-11-29 03:24:38,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:24:38,106 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 2 mSDsluCounter, 1736 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:38,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2182 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:24:38,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2023-11-29 03:24:38,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2023-11-29 03:24:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 328 states have (on average 1.3018292682926829) internal successors, (427), 334 states have internal predecessors, (427), 97 states have call successors, (97), 40 states have call predecessors, (97), 48 states have return successors, (115), 99 states have call predecessors, (115), 96 states have call successors, (115) [2023-11-29 03:24:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 639 transitions. [2023-11-29 03:24:38,130 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 639 transitions. Word has length 178 [2023-11-29 03:24:38,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:38,130 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 639 transitions. [2023-11-29 03:24:38,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-29 03:24:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 639 transitions. [2023-11-29 03:24:38,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-29 03:24:38,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:38,132 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:38,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 03:24:38,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 03:24:38,333 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:38,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:38,333 INFO L85 PathProgramCache]: Analyzing trace with hash -278599546, now seen corresponding path program 1 times [2023-11-29 03:24:38,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:38,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644278766] [2023-11-29 03:24:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:38,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:38,443 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:24:38,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1393393670] [2023-11-29 03:24:38,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:38,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:24:38,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:38,444 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:24:38,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:24:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:39,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 03:24:39,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-29 03:24:39,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:24:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-11-29 03:24:40,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:40,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644278766] [2023-11-29 03:24:40,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:24:40,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393393670] [2023-11-29 03:24:40,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393393670] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:24:40,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:24:40,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 23 [2023-11-29 03:24:40,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331984935] [2023-11-29 03:24:40,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:40,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:24:40,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:40,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:24:40,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-11-29 03:24:40,297 INFO L87 Difference]: Start difference. First operand 474 states and 639 transitions. Second operand has 12 states, 10 states have (on average 8.9) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2023-11-29 03:24:41,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:41,417 INFO L93 Difference]: Finished difference Result 886 states and 1208 transitions. [2023-11-29 03:24:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:24:41,418 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.9) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 184 [2023-11-29 03:24:41,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:41,420 INFO L225 Difference]: With dead ends: 886 [2023-11-29 03:24:41,421 INFO L226 Difference]: Without dead ends: 480 [2023-11-29 03:24:41,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 344 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:24:41,423 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 9 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:41,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3996 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:24:41,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-11-29 03:24:41,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 475. [2023-11-29 03:24:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 329 states have (on average 1.3009118541033435) internal successors, (428), 334 states have internal predecessors, (428), 97 states have call successors, (97), 40 states have call predecessors, (97), 48 states have return successors, (115), 100 states have call predecessors, (115), 96 states have call successors, (115) [2023-11-29 03:24:41,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 640 transitions. [2023-11-29 03:24:41,449 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 640 transitions. Word has length 184 [2023-11-29 03:24:41,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:41,450 INFO L495 AbstractCegarLoop]: Abstraction has 475 states and 640 transitions. [2023-11-29 03:24:41,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.9) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2023-11-29 03:24:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 640 transitions. [2023-11-29 03:24:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-29 03:24:41,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:41,451 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:41,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:24:41,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 03:24:41,652 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:41,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:41,652 INFO L85 PathProgramCache]: Analyzing trace with hash 486498507, now seen corresponding path program 1 times [2023-11-29 03:24:41,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:41,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278390373] [2023-11-29 03:24:41,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:41,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:41,762 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:24:41,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1548862039] [2023-11-29 03:24:41,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:41,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:24:41,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:41,763 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:24:41,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:24:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:43,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 339 conjunts are in the unsatisfiable core [2023-11-29 03:24:43,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:43,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:24:43,312 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 03:24:43,312 INFO L378 Elim1Store]: Elim1 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 [2023-11-29 03:24:43,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:24:43,773 INFO L349 Elim1Store]: treesize reduction 201, result has 16.3 percent of original size [2023-11-29 03:24:43,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 80 [2023-11-29 03:24:44,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:24:44,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:44,188 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 03:24:44,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2023-11-29 03:24:44,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:24:44,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-11-29 03:24:44,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:24:46,142 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:24:46,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 51 [2023-11-29 03:24:46,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:46,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:46,160 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 03:24:46,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 21 [2023-11-29 03:24:46,718 INFO L349 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2023-11-29 03:24:46,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 2200 treesize of output 2069 [2023-11-29 03:24:46,748 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 5 [2023-11-29 03:24:46,766 INFO L378 Elim1Store]: Elim1 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 499 treesize of output 405 [2023-11-29 03:24:46,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:46,800 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:46,851 INFO L349 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2023-11-29 03:24:46,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 1929 treesize of output 1846 [2023-11-29 03:24:46,995 INFO L378 Elim1Store]: Elim1 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 685 treesize of output 555 [2023-11-29 03:24:47,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,021 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,036 INFO L378 Elim1Store]: Elim1 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 696 treesize of output 562 [2023-11-29 03:24:47,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,057 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,072 INFO L378 Elim1Store]: Elim1 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 700 treesize of output 568 [2023-11-29 03:24:47,131 INFO L378 Elim1Store]: Elim1 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 820 treesize of output 656 [2023-11-29 03:24:47,186 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,187 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,197 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,229 INFO L378 Elim1Store]: Elim1 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 685 treesize of output 553 [2023-11-29 03:24:47,242 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,248 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,264 INFO L378 Elim1Store]: Elim1 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 700 treesize of output 566 [2023-11-29 03:24:47,288 INFO L378 Elim1Store]: Elim1 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 696 treesize of output 562 [2023-11-29 03:24:47,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,308 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,356 INFO L378 Elim1Store]: Elim1 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 809 treesize of output 647 [2023-11-29 03:24:47,393 INFO L378 Elim1Store]: Elim1 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 674 treesize of output 546 [2023-11-29 03:24:47,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,413 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,428 INFO L378 Elim1Store]: Elim1 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 685 treesize of output 553 [2023-11-29 03:24:47,451 INFO L378 Elim1Store]: Elim1 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 689 treesize of output 559 [2023-11-29 03:24:47,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,471 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,504 INFO L378 Elim1Store]: Elim1 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 685 treesize of output 553 [2023-11-29 03:24:47,520 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,527 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,543 INFO L378 Elim1Store]: Elim1 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 689 treesize of output 557 [2023-11-29 03:24:47,562 INFO L378 Elim1Store]: Elim1 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 674 treesize of output 544 [2023-11-29 03:24:47,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:47,580 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:47,745 INFO L349 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2023-11-29 03:24:47,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 1021 treesize of output 910 [2023-11-29 03:24:47,781 INFO L378 Elim1Store]: Elim1 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 212 treesize of output 188 [2023-11-29 03:24:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:47,856 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 03:24:47,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 120 treesize of output 190 [2023-11-29 03:24:48,159 INFO L349 Elim1Store]: treesize reduction 118, result has 10.6 percent of original size [2023-11-29 03:24:48,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 65 [2023-11-29 03:24:48,203 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:48,219 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:49,036 INFO L378 Elim1Store]: Elim1 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 44 treesize of output 40 [2023-11-29 03:24:49,055 INFO L378 Elim1Store]: Elim1 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 44 treesize of output 40 [2023-11-29 03:24:49,075 INFO L378 Elim1Store]: Elim1 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 97 treesize of output 89 [2023-11-29 03:24:49,129 INFO L378 Elim1Store]: Elim1 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 67 treesize of output 61 [2023-11-29 03:24:49,229 INFO L349 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2023-11-29 03:24:49,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 375 treesize of output 256 [2023-11-29 03:24:49,247 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-29 03:24:49,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 299 treesize of output 276 [2023-11-29 03:24:49,310 INFO L378 Elim1Store]: Elim1 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 30 treesize of output 28 [2023-11-29 03:24:49,383 INFO L349 Elim1Store]: treesize reduction 574, result has 0.2 percent of original size [2023-11-29 03:24:49,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 2848 treesize of output 2114 [2023-11-29 03:24:49,420 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 5 [2023-11-29 03:24:49,433 INFO L378 Elim1Store]: Elim1 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 451 treesize of output 349 [2023-11-29 03:24:49,464 INFO L349 Elim1Store]: treesize reduction 324, result has 0.3 percent of original size [2023-11-29 03:24:49,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 964 treesize of output 836 [2023-11-29 03:24:49,495 INFO L378 Elim1Store]: Elim1 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 307 treesize of output 247 [2023-11-29 03:24:49,552 INFO L349 Elim1Store]: treesize reduction 574, result has 0.2 percent of original size [2023-11-29 03:24:49,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 3215 treesize of output 2401 [2023-11-29 03:24:49,585 INFO L378 Elim1Store]: Elim1 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 469 treesize of output 363 [2023-11-29 03:24:49,650 INFO L349 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2023-11-29 03:24:49,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 2562 treesize of output 2359 [2023-11-29 03:24:49,777 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:49,798 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 541 [2023-11-29 03:24:49,818 INFO L378 Elim1Store]: Elim1 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 784 treesize of output 632 [2023-11-29 03:24:49,873 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 543 [2023-11-29 03:24:49,894 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:49,934 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:49,951 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 541 [2023-11-29 03:24:49,973 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:50,011 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 543 [2023-11-29 03:24:50,029 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:50,054 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:50,075 INFO L378 Elim1Store]: Elim1 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 848 treesize of output 688 [2023-11-29 03:24:50,113 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:50,149 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 543 [2023-11-29 03:24:50,169 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:50,195 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:50,232 INFO L378 Elim1Store]: Elim1 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 650 treesize of output 530 [2023-11-29 03:24:50,251 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:50,276 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:50,317 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:50,356 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:50,386 INFO L378 Elim1Store]: Elim1 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 650 treesize of output 528 [2023-11-29 03:24:50,444 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:50,497 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:50,523 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 541 [2023-11-29 03:24:50,555 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:50,612 INFO L349 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2023-11-29 03:24:50,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 2291 treesize of output 2136 [2023-11-29 03:24:50,679 INFO L378 Elim1Store]: Elim1 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 510 treesize of output 414 [2023-11-29 03:24:50,818 INFO L349 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2023-11-29 03:24:50,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 1235 treesize of output 1084 [2023-11-29 03:24:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:50,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:50,896 INFO L349 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2023-11-29 03:24:50,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 128 treesize of output 202 [2023-11-29 03:24:50,920 INFO L378 Elim1Store]: Elim1 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 180 treesize of output 150 [2023-11-29 03:24:51,183 INFO L349 Elim1Store]: treesize reduction 118, result has 10.6 percent of original size [2023-11-29 03:24:51,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 65 [2023-11-29 03:24:51,212 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:51,228 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:51,902 INFO L349 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2023-11-29 03:24:51,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 46 treesize of output 29 [2023-11-29 03:24:51,937 INFO L378 Elim1Store]: Elim1 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 91 treesize of output 85 [2023-11-29 03:24:52,039 INFO L349 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2023-11-29 03:24:52,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 2536 treesize of output 2339 [2023-11-29 03:24:52,072 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 5 [2023-11-29 03:24:52,087 INFO L378 Elim1Store]: Elim1 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 503 treesize of output 409 [2023-11-29 03:24:52,137 INFO L349 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2023-11-29 03:24:52,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 2265 treesize of output 2116 [2023-11-29 03:24:52,182 INFO L378 Elim1Store]: Elim1 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 503 treesize of output 409 [2023-11-29 03:24:52,221 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,222 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,229 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:52,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,248 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,256 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:52,270 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,278 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:52,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,295 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:52,317 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,317 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,324 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:52,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,334 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,341 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:52,355 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,356 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:52,363 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:52,489 INFO L349 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2023-11-29 03:24:52,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 1209 treesize of output 1064 [2023-11-29 03:24:52,525 INFO L378 Elim1Store]: Elim1 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 284 treesize of output 256 [2023-11-29 03:24:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:52,580 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 03:24:52,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 120 treesize of output 190 [2023-11-29 03:24:52,847 INFO L349 Elim1Store]: treesize reduction 118, result has 10.6 percent of original size [2023-11-29 03:24:52,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 65 [2023-11-29 03:24:53,604 INFO L349 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2023-11-29 03:24:53,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 46 treesize of output 29 [2023-11-29 03:24:53,633 INFO L378 Elim1Store]: Elim1 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 113 treesize of output 105 [2023-11-29 03:24:53,666 INFO L378 Elim1Store]: Elim1 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 91 treesize of output 85 [2023-11-29 03:24:53,752 INFO L349 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2023-11-29 03:24:53,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 2562 treesize of output 2359 [2023-11-29 03:24:53,798 INFO L378 Elim1Store]: Elim1 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 510 treesize of output 414 [2023-11-29 03:24:53,848 INFO L349 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2023-11-29 03:24:53,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 2291 treesize of output 2136 [2023-11-29 03:24:53,961 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:53,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:53,975 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,001 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:54,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,015 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,030 INFO L378 Elim1Store]: Elim1 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 650 treesize of output 530 [2023-11-29 03:24:54,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,045 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,116 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:54,136 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 543 [2023-11-29 03:24:54,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,151 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,177 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:54,186 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,192 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,213 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:54,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,230 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,260 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:54,272 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,278 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,304 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:54,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,322 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,338 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 543 [2023-11-29 03:24:54,349 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,349 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,354 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,368 INFO L378 Elim1Store]: Elim1 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 794 treesize of output 644 [2023-11-29 03:24:54,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,410 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,456 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:54,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,474 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,489 INFO L378 Elim1Store]: Elim1 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 650 treesize of output 528 [2023-11-29 03:24:54,499 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,499 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,505 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,529 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:54,557 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 541 [2023-11-29 03:24:54,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,574 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,591 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:54,602 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,603 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,609 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,640 INFO L378 Elim1Store]: Elim1 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 661 treesize of output 537 [2023-11-29 03:24:54,650 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,655 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,677 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:54,690 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,690 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,698 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,750 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:54,780 INFO L378 Elim1Store]: Elim1 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 665 treesize of output 541 [2023-11-29 03:24:54,790 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,791 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,798 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,814 INFO L378 Elim1Store]: Elim1 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 676 treesize of output 550 [2023-11-29 03:24:54,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:24:54,829 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:54,961 INFO L349 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2023-11-29 03:24:54,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 1235 treesize of output 1084 [2023-11-29 03:24:54,996 INFO L378 Elim1Store]: Elim1 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 236 treesize of output 210 [2023-11-29 03:24:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:55,057 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 03:24:55,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 120 treesize of output 190 [2023-11-29 03:24:55,284 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:55,302 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:55,389 INFO L349 Elim1Store]: treesize reduction 118, result has 10.6 percent of original size [2023-11-29 03:24:55,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 65 [2023-11-29 03:24:56,332 INFO L378 Elim1Store]: Elim1 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 75 treesize of output 69 [2023-11-29 03:24:56,420 INFO L378 Elim1Store]: Elim1 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 75 treesize of output 69 [2023-11-29 03:24:56,474 INFO L378 Elim1Store]: Elim1 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 67 treesize of output 61 [2023-11-29 03:24:56,695 INFO L349 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2023-11-29 03:24:56,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 591 treesize of output 400 [2023-11-29 03:24:56,728 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-29 03:24:56,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 459 treesize of output 436 [2023-11-29 03:24:56,936 INFO L349 Elim1Store]: treesize reduction 574, result has 0.2 percent of original size [2023-11-29 03:24:56,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 3617 treesize of output 2715 [2023-11-29 03:24:56,989 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 5 [2023-11-29 03:24:57,007 INFO L378 Elim1Store]: Elim1 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 450 treesize of output 348 [2023-11-29 03:24:57,076 INFO L349 Elim1Store]: treesize reduction 574, result has 0.2 percent of original size [2023-11-29 03:24:57,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 3250 treesize of output 2428 [2023-11-29 03:24:57,129 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:24:57,167 INFO L349 Elim1Store]: treesize reduction 324, result has 0.3 percent of original size [2023-11-29 03:24:57,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1065 treesize of output 917 [2023-11-29 03:24:57,200 INFO L378 Elim1Store]: Elim1 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 336 treesize of output 270 [2023-11-29 03:24:57,265 INFO L349 Elim1Store]: treesize reduction 574, result has 0.2 percent of original size [2023-11-29 03:24:57,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 3729 treesize of output 2797 [2023-11-29 03:24:57,305 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 5 [2023-11-29 03:24:57,320 INFO L378 Elim1Store]: Elim1 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 472 treesize of output 362 [2023-11-29 03:24:57,363 INFO L349 Elim1Store]: treesize reduction 324, result has 0.3 percent of original size [2023-11-29 03:24:57,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1131 treesize of output 965 [2023-11-29 03:24:57,387 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 5 [2023-11-29 03:24:57,404 INFO L378 Elim1Store]: Elim1 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 345 treesize of output 273 [2023-11-29 03:24:57,465 INFO L349 Elim1Store]: treesize reduction 574, result has 0.2 percent of original size [2023-11-29 03:24:57,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 3414 treesize of output 2546 [2023-11-29 03:24:57,511 INFO L378 Elim1Store]: Elim1 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 454 treesize of output 348 [2023-11-29 03:24:58,603 INFO L349 Elim1Store]: treesize reduction 84, result has 40.4 percent of original size [2023-11-29 03:24:58,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 205 treesize of output 235 [2023-11-29 03:24:58,871 INFO L349 Elim1Store]: treesize reduction 168, result has 47.3 percent of original size [2023-11-29 03:24:58,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 303 [2023-11-29 03:24:59,059 INFO L349 Elim1Store]: treesize reduction 104, result has 37.0 percent of original size [2023-11-29 03:24:59,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 161 treesize of output 203 [2023-11-29 03:25:01,808 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:25:02,328 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:25:20,165 INFO L349 Elim1Store]: treesize reduction 1843, result has 15.0 percent of original size [2023-11-29 03:25:20,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 2 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 228 case distinctions, treesize of input 784 treesize of output 1027 [2023-11-29 03:25:20,433 INFO L224 Elim1Store]: Index analysis took 218 ms [2023-11-29 03:25:31,785 WARN L293 SmtUtils]: Spent 11.34s on a formula simplification. DAG size of input: 1821 DAG size of output: 246 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 03:25:31,785 INFO L349 Elim1Store]: treesize reduction 3619, result has 11.1 percent of original size [2023-11-29 03:25:31,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 2 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 432 case distinctions, treesize of input 736 treesize of output 1075 [2023-11-29 03:25:32,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 03:29:44,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2023-11-29 03:29:44,279 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-29 03:29:44,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:44,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278390373] [2023-11-29 03:29:44,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:29:44,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548862039] [2023-11-29 03:29:44,280 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-29 03:29:44,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:29:44,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:29:44,481 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:495) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 59 more [2023-11-29 03:29:44,483 INFO L158 Benchmark]: Toolchain (without parser) took 477857.65ms. Allocated memory was 176.2MB in the beginning and 981.5MB in the end (delta: 805.3MB). Free memory was 125.7MB in the beginning and 541.7MB in the end (delta: -416.0MB). Peak memory consumption was 651.1MB. Max. memory is 16.1GB. [2023-11-29 03:29:44,484 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:29:44,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3469.68ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 125.2MB in the beginning and 138.9MB in the end (delta: -13.7MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. [2023-11-29 03:29:44,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.50ms. Allocated memory is still 218.1MB. Free memory was 138.9MB in the beginning and 123.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 03:29:44,484 INFO L158 Benchmark]: Boogie Preprocessor took 164.94ms. Allocated memory is still 218.1MB. Free memory was 123.2MB in the beginning and 104.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 03:29:44,484 INFO L158 Benchmark]: RCFGBuilder took 2468.89ms. Allocated memory was 218.1MB in the beginning and 268.4MB in the end (delta: 50.3MB). Free memory was 104.3MB in the beginning and 120.4MB in the end (delta: -16.2MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-11-29 03:29:44,485 INFO L158 Benchmark]: TraceAbstraction took 471565.47ms. Allocated memory was 268.4MB in the beginning and 981.5MB in the end (delta: 713.0MB). Free memory was 119.4MB in the beginning and 541.7MB in the end (delta: -422.3MB). Peak memory consumption was 550.4MB. Max. memory is 16.1GB. [2023-11-29 03:29:44,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3469.68ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 125.2MB in the beginning and 138.9MB in the end (delta: -13.7MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.50ms. Allocated memory is still 218.1MB. Free memory was 138.9MB in the beginning and 123.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.94ms. Allocated memory is still 218.1MB. Free memory was 123.2MB in the beginning and 104.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2468.89ms. Allocated memory was 218.1MB in the beginning and 268.4MB in the end (delta: 50.3MB). Free memory was 104.3MB in the beginning and 120.4MB in the end (delta: -16.2MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * TraceAbstraction took 471565.47ms. Allocated memory was 268.4MB in the beginning and 981.5MB in the end (delta: 713.0MB). Free memory was 119.4MB in the beginning and 541.7MB in the end (delta: -422.3MB). Peak memory consumption was 550.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7576]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e3410638a547f2efce35a13c7d23c64ee660b1c493ec273ce9d4043edc218c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:29:46,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:29:46,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-29 03:29:46,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:29:46,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:29:46,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:29:46,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:29:46,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:29:46,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:29:46,420 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:29:46,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:29:46,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:29:46,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:29:46,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:29:46,423 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:29:46,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:29:46,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:29:46,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:29:46,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:29:46,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:29:46,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:29:46,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:29:46,428 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:29:46,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:29:46,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:29:46,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:29:46,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:29:46,431 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:29:46,431 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:29:46,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:29:46,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:29:46,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:29:46,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:29:46,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:29:46,434 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:29:46,434 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:29:46,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:29:46,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:29:46,435 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:29:46,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:29:46,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:29:46,435 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:29:46,435 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3410638a547f2efce35a13c7d23c64ee660b1c493ec273ce9d4043edc218c3 [2023-11-29 03:29:46,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:29:46,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:29:46,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:29:46,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:29:46,759 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:29:46,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i [2023-11-29 03:29:49,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:29:50,121 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:29:50,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i [2023-11-29 03:29:50,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/data/48a8570a0/1e55597daec84f599c025101fc903d4e/FLAG0ebc12bc1 [2023-11-29 03:29:50,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f16a35-09d6-4929-bd2a-f55a14173b48/bin/uautomizer-verify-BQ2R08f2Ya/data/48a8570a0/1e55597daec84f599c025101fc903d4e [2023-11-29 03:29:50,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:29:50,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:29:50,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:29:50,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:29:50,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:29:50,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:29:50" (1/1) ... [2023-11-29 03:29:50,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162b5953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:50, skipping insertion in model container [2023-11-29 03:29:50,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:29:50" (1/1) ... [2023-11-29 03:29:50,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:29:50,540 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2023-11-29 03:29:50,547 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2023-11-29 03:29:51,389 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,390 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,391 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,392 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,393 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,408 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,409 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,410 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,411 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,413 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,414 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,415 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,415 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:51,830 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 03:29:51,832 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 03:29:51,833 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 03:29:51,834 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 03:29:51,835 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 03:29:51,836 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 03:29:51,837 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 03:29:51,838 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 03:29:51,839 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 03:29:51,840 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 03:29:52,334 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,335 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,356 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,357 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,378 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,379 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,379 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,380 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,380 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,381 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:29:52,449 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-29 03:29:52,504 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:29:52,509 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2023-11-29 03:29:52,509 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2023-11-29 03:29:52,542 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,543 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,543 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,544 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,544 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,549 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,550 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,551 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,551 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,552 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,553 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,553 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,554 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,582 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 03:29:52,583 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 03:29:52,584 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 03:29:52,584 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 03:29:52,585 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 03:29:52,585 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 03:29:52,586 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 03:29:52,586 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 03:29:52,587 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 03:29:52,599 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 03:29:52,726 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,726 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,733 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,734 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,736 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,737 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,743 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,744 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,745 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,745 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,745 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,746 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,746 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:29:52,803 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:29:52,816 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2023-11-29 03:29:52,817 WARN L240 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_c5f16a35-09d6-4929-bd2a-f55a14173b48/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2023-11-29 03:29:52,846 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,846 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,846 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,847 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,847 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,851 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,852 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,853 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,853 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,854 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,854 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,855 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,855 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:52,880 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 03:29:52,881 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 03:29:52,882 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 03:29:52,882 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 03:29:52,883 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 03:29:52,883 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 03:29:52,883 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 03:29:52,884 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 03:29:52,884 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 03:29:52,885 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 03:29:52,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2023-11-29 03:29:53,008 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:53,009 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:53,016 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:53,016 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:53,019 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:53,019 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 03:29:53,022 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.countNumberOfPrimitiveElementInType(InitializationHandler.java:1056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.lambda$3(InitializationHandler.java:1046) at java.base/java.util.stream.ReferencePipeline$5$1.accept(ReferencePipeline.java:229) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.LongPipeline.reduce(LongPipeline.java:474) at java.base/java.util.stream.LongPipeline.sum(LongPipeline.java:432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.countNumberOfPrimitiveElementInType(InitializationHandler.java:1046) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.useConstArrayInitialization(InitializationHandler.java:1022) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3027) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:306) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:275) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:258) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-29 03:29:53,027 INFO L158 Benchmark]: Toolchain (without parser) took 2853.24ms. Allocated memory was 73.4MB in the beginning and 117.4MB in the end (delta: 44.0MB). Free memory was 40.2MB in the beginning and 42.8MB in the end (delta: -2.6MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2023-11-29 03:29:53,027 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:29:53,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2850.81ms. Allocated memory was 73.4MB in the beginning and 117.4MB in the end (delta: 44.0MB). Free memory was 39.9MB in the beginning and 42.8MB in the end (delta: -2.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2023-11-29 03:29:53,029 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2850.81ms. Allocated memory was 73.4MB in the beginning and 117.4MB in the end (delta: 44.0MB). Free memory was 39.9MB in the beginning and 42.8MB in the end (delta: -2.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7576]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range