./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/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_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/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_c4891101-bee5-44ca-861d-9362c6e2c34a/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 153b65773966546d8fd416fac373e8e3e127696e78fd1e5e636cc0e37a9471f2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:03:19,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:03:19,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 01:03:19,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:03:19,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:03:19,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:03:19,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:03:19,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:03:19,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:03:19,266 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:03:19,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:03:19,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:03:19,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:03:19,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:03:19,269 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:03:19,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:03:19,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:03:19,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:03:19,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:03:19,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:03:19,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:03:19,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:03:19,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:03:19,274 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:03:19,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:03:19,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:03:19,275 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:03:19,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:03:19,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:03:19,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:03:19,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:03:19,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:03:19,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:03:19,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:03:19,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:03:19,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:03:19,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:03:19,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:03:19,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:03:19,279 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_c4891101-bee5-44ca-861d-9362c6e2c34a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 153b65773966546d8fd416fac373e8e3e127696e78fd1e5e636cc0e37a9471f2 [2023-11-29 01:03:19,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:03:19,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:03:19,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:03:19,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:03:19,527 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:03:19,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i [2023-11-29 01:03:22,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:03:22,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:03:22,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i [2023-11-29 01:03:22,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/data/83a7778af/15eab20a0c6e4da19e6c7772bc58bc4c/FLAGca86a7819 [2023-11-29 01:03:22,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/data/83a7778af/15eab20a0c6e4da19e6c7772bc58bc4c [2023-11-29 01:03:22,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:03:22,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:03:22,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:03:22,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:03:22,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:03:22,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:03:22" (1/1) ... [2023-11-29 01:03:22,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469ba70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:22, skipping insertion in model container [2023-11-29 01:03:22,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:03:22" (1/1) ... [2023-11-29 01:03:22,820 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:03:23,104 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_c4891101-bee5-44ca-861d-9362c6e2c34a/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[4494,4507] [2023-11-29 01:03:23,111 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_c4891101-bee5-44ca-861d-9362c6e2c34a/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[4554,4567] [2023-11-29 01:03:23,969 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,969 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,970 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,971 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,972 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,988 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,989 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,991 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,991 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,994 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,995 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,997 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:23,998 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,426 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 01:03:24,428 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 01:03:24,429 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 01:03:24,430 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 01:03:24,431 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 01:03:24,431 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 01:03:24,432 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 01:03:24,432 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 01:03:24,433 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 01:03:24,434 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 01:03:24,928 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,929 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,952 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,954 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,960 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,961 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,977 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,978 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,979 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,979 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,979 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,980 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:24,981 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:03:25,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:03:25,104 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_c4891101-bee5-44ca-861d-9362c6e2c34a/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[4494,4507] [2023-11-29 01:03:25,104 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_c4891101-bee5-44ca-861d-9362c6e2c34a/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[4554,4567] [2023-11-29 01:03:25,136 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,137 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,137 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,138 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,139 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,145 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,145 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,146 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,147 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,148 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,148 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,149 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,149 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,180 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-29 01:03:25,180 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-29 01:03:25,181 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-29 01:03:25,182 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-29 01:03:25,183 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-29 01:03:25,184 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-29 01:03:25,184 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-29 01:03:25,185 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-29 01:03:25,185 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-29 01:03:25,186 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-29 01:03:25,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2023-11-29 01:03:25,300 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,300 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,308 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,309 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,312 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,312 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,322 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,322 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,323 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,323 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,323 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,324 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-29 01:03:25,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:03:25,665 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,665 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,665 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,665 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,665 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,665 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,665 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,666 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,666 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,666 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,666 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,666 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,666 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,666 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,666 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,667 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,667 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,667 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:03:25,675 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:03:25,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25 WrapperNode [2023-11-29 01:03:25,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:03:25,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:03:25,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:03:25,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:03:25,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:25,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:25,864 INFO L138 Inliner]: procedures = 772, calls = 2461, calls flagged for inlining = 66, calls inlined = 11, statements flattened = 749 [2023-11-29 01:03:25,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:03:25,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:03:25,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:03:25,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:03:25,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:25,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:25,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:25,963 INFO L175 MemorySlicer]: Split 349 memory accesses to 10 slices as follows [236, 2, 5, 45, 2, 40, 13, 1, 2, 3]. 68 percent of accesses are in the largest equivalence class. The 255 initializations are split as follows [236, 2, 5, 0, 0, 9, 0, 0, 0, 3]. The 14 writes are split as follows [0, 0, 0, 6, 1, 4, 1, 1, 1, 0]. [2023-11-29 01:03:25,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:25,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:26,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:26,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:26,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:26,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:26,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:03:26,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:03:26,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:03:26,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:03:26,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (1/1) ... [2023-11-29 01:03:26,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:03:26,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:03:26,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:03:26,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:03:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 01:03:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 01:03:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 01:03:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 01:03:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 01:03:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 01:03:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 01:03:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-29 01:03:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-11-29 01:03:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-11-29 01:03:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-29 01:03:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-29 01:03:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:03:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:03:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:03:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:03:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 01:03:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-29 01:03:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 01:03:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-29 01:03:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:03:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:03:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 01:03:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 01:03:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 01:03:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 01:03:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 01:03:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 01:03:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 01:03:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 01:03:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 01:03:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 01:03:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:03:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:03:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-29 01:03:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-29 01:03:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-29 01:03:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 01:03:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 01:03:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 01:03:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 01:03:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 01:03:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 01:03:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 01:03:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 01:03:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 01:03:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 01:03:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 01:03:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 01:03:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:03:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-29 01:03:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-29 01:03:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 01:03:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 01:03:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 01:03:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 01:03:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 01:03:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-29 01:03:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:03:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-29 01:03:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:03:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-29 01:03:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-29 01:03:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 01:03:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 01:03:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:03:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:03:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-29 01:03:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-29 01:03:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-29 01:03:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 01:03:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-29 01:03:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-29 01:03:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2023-11-29 01:03:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_delete [2023-11-29 01:03:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_delete [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 01:03:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 01:03:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 01:03:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 01:03:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 01:03:26,502 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:03:26,504 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:03:26,699 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2023-11-29 01:03:26,699 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !true; [2023-11-29 01:03:27,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:03:27,624 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:03:27,624 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-29 01:03:27,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:03:27 BoogieIcfgContainer [2023-11-29 01:03:27,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:03:27,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:03:27,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:03:27,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:03:27,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:03:22" (1/3) ... [2023-11-29 01:03:27,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f348316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:03:27, skipping insertion in model container [2023-11-29 01:03:27,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:03:25" (2/3) ... [2023-11-29 01:03:27,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f348316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:03:27, skipping insertion in model container [2023-11-29 01:03:27,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:03:27" (3/3) ... [2023-11-29 01:03:27,632 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness_negated.i [2023-11-29 01:03:27,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:03:27,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:03:27,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:03:27,708 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;@7257f4cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:03:27,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:03:27,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 124 states have (on average 1.346774193548387) internal successors, (167), 123 states have internal predecessors, (167), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 01:03:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-29 01:03:27,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:03:27,734 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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 01:03:27,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:03:27,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:03:27,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2038266845, now seen corresponding path program 1 times [2023-11-29 01:03:27,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:03:27,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643524337] [2023-11-29 01:03:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:27,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:03:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:28,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:03:28,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643524337] [2023-11-29 01:03:28,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:03:28,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492535791] [2023-11-29 01:03:28,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:28,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:03:28,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:03:28,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:03:28,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:03:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:28,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 2542 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:03:28,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:03:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2023-11-29 01:03:29,001 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:03:29,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492535791] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:03:29,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:03:29,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:03:29,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097353697] [2023-11-29 01:03:29,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:03:29,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:03:29,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:03:29,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:03:29,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:03:29,037 INFO L87 Difference]: Start difference. First operand has 197 states, 124 states have (on average 1.346774193548387) internal successors, (167), 123 states have internal predecessors, (167), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-29 01:03:29,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:03:29,285 INFO L93 Difference]: Finished difference Result 390 states and 585 transitions. [2023-11-29 01:03:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:03:29,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 191 [2023-11-29 01:03:29,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:03:29,299 INFO L225 Difference]: With dead ends: 390 [2023-11-29 01:03:29,299 INFO L226 Difference]: Without dead ends: 195 [2023-11-29 01:03:29,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 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 01:03:29,309 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:03:29,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:03:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-29 01:03:29,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2023-11-29 01:03:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 122 states have internal predecessors, (157), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2023-11-29 01:03:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 264 transitions. [2023-11-29 01:03:29,372 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 264 transitions. Word has length 191 [2023-11-29 01:03:29,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:03:29,373 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 264 transitions. [2023-11-29 01:03:29,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-29 01:03:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 264 transitions. [2023-11-29 01:03:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-29 01:03:29,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:03:29,380 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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 01:03:29,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:03:29,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 01:03:29,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:03:29,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:03:29,585 INFO L85 PathProgramCache]: Analyzing trace with hash -477425069, now seen corresponding path program 1 times [2023-11-29 01:03:29,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:03:29,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771602823] [2023-11-29 01:03:29,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:29,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:03:29,707 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:03:29,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264706119] [2023-11-29 01:03:29,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:29,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:03:29,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:03:29,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:03:29,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:03:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:30,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 2542 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:03:30,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:03:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2023-11-29 01:03:30,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:03:30,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:03:30,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771602823] [2023-11-29 01:03:30,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:03:30,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264706119] [2023-11-29 01:03:30,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264706119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:03:30,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:03:30,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:03:30,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544409354] [2023-11-29 01:03:30,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:03:30,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:03:30,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:03:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:03:30,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:03:30,453 INFO L87 Difference]: Start difference. First operand 195 states and 264 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-29 01:03:30,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:03:30,749 INFO L93 Difference]: Finished difference Result 359 states and 489 transitions. [2023-11-29 01:03:30,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:03:30,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 191 [2023-11-29 01:03:30,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:03:30,754 INFO L225 Difference]: With dead ends: 359 [2023-11-29 01:03:30,755 INFO L226 Difference]: Without dead ends: 199 [2023-11-29 01:03:30,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 187 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 01:03:30,757 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 1 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:03:30,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 976 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:03:30,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-29 01:03:30,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2023-11-29 01:03:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 124 states have (on average 1.2903225806451613) internal successors, (160), 125 states have internal predecessors, (160), 54 states have call successors, (54), 19 states have call predecessors, (54), 20 states have return successors, (54), 54 states have call predecessors, (54), 53 states have call successors, (54) [2023-11-29 01:03:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 268 transitions. [2023-11-29 01:03:30,781 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 268 transitions. Word has length 191 [2023-11-29 01:03:30,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:03:30,782 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 268 transitions. [2023-11-29 01:03:30,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-29 01:03:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 268 transitions. [2023-11-29 01:03:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 01:03:30,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:03:30,787 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1] [2023-11-29 01:03:30,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:03:30,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:03:30,988 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:03:30,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:03:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash -143442242, now seen corresponding path program 1 times [2023-11-29 01:03:30,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:03:30,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196157338] [2023-11-29 01:03:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:03:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:03:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:03:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:03:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:03:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:03:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:03:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:03:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:03:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 01:03:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 01:03:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 01:03:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 01:03:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:03:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 01:03:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 01:03:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:03:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:03:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 01:03:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 01:03:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 01:03:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 01:03:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-29 01:03:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 01:03:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:03:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:03:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 01:03:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:03:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 01:03:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 01:03:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-29 01:03:33,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:03:33,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196157338] [2023-11-29 01:03:33,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196157338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:03:33,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:03:33,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 01:03:33,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082943326] [2023-11-29 01:03:33,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:03:33,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 01:03:33,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:03:33,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 01:03:33,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:03:33,257 INFO L87 Difference]: Start difference. First operand 199 states and 268 transitions. Second operand has 14 states, 12 states have (on average 5.416666666666667) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2023-11-29 01:03:35,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:03:35,999 INFO L93 Difference]: Finished difference Result 361 states and 493 transitions. [2023-11-29 01:03:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:03:35,999 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.416666666666667) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 195 [2023-11-29 01:03:36,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:03:36,004 INFO L225 Difference]: With dead ends: 361 [2023-11-29 01:03:36,004 INFO L226 Difference]: Without dead ends: 213 [2023-11-29 01:03:36,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:03:36,010 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 313 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:03:36,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 448 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 01:03:36,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-29 01:03:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 203. [2023-11-29 01:03:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.2913385826771653) internal successors, (164), 129 states have internal predecessors, (164), 54 states have call successors, (54), 19 states have call predecessors, (54), 21 states have return successors, (55), 54 states have call predecessors, (55), 53 states have call successors, (55) [2023-11-29 01:03:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 273 transitions. [2023-11-29 01:03:36,042 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 273 transitions. Word has length 195 [2023-11-29 01:03:36,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:03:36,042 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 273 transitions. [2023-11-29 01:03:36,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.416666666666667) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2023-11-29 01:03:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 273 transitions. [2023-11-29 01:03:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 01:03:36,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:03:36,047 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1] [2023-11-29 01:03:36,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:03:36,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:03:36,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:03:36,048 INFO L85 PathProgramCache]: Analyzing trace with hash -73794368, now seen corresponding path program 1 times [2023-11-29 01:03:36,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:03:36,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613329706] [2023-11-29 01:03:36,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:36,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:03:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:03:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:03:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:03:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:03:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:03:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:03:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:03:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:03:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 01:03:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 01:03:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 01:03:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 01:03:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:03:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 01:03:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 01:03:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:03:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:03:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 01:03:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 01:03:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 01:03:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 01:03:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-29 01:03:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 01:03:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:03:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:03:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 01:03:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:03:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 01:03:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 01:03:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-29 01:03:37,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:03:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613329706] [2023-11-29 01:03:37,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613329706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:03:37,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:03:37,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:03:37,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334683484] [2023-11-29 01:03:37,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:03:37,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:03:37,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:03:37,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:03:37,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:03:37,063 INFO L87 Difference]: Start difference. First operand 203 states and 273 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-29 01:03:38,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:03:38,485 INFO L93 Difference]: Finished difference Result 366 states and 499 transitions. [2023-11-29 01:03:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:03:38,485 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 195 [2023-11-29 01:03:38,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:03:38,488 INFO L225 Difference]: With dead ends: 366 [2023-11-29 01:03:38,488 INFO L226 Difference]: Without dead ends: 214 [2023-11-29 01:03:38,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:03:38,490 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 294 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:03:38,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 226 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 01:03:38,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-11-29 01:03:38,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 205. [2023-11-29 01:03:38,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.2890625) internal successors, (165), 130 states have internal predecessors, (165), 55 states have call successors, (55), 19 states have call predecessors, (55), 21 states have return successors, (56), 55 states have call predecessors, (56), 54 states have call successors, (56) [2023-11-29 01:03:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 276 transitions. [2023-11-29 01:03:38,522 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 276 transitions. Word has length 195 [2023-11-29 01:03:38,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:03:38,523 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 276 transitions. [2023-11-29 01:03:38,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-29 01:03:38,523 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 276 transitions. [2023-11-29 01:03:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-29 01:03:38,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:03:38,528 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 3, 3, 3, 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, 1, 1, 1, 1] [2023-11-29 01:03:38,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:03:38,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:03:38,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:03:38,528 INFO L85 PathProgramCache]: Analyzing trace with hash -941786689, now seen corresponding path program 1 times [2023-11-29 01:03:38,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:03:38,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572014928] [2023-11-29 01:03:38,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:38,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:03:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:03:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:03:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:03:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:03:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:03:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:03:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:03:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:03:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:03:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 01:03:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 01:03:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 01:03:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 01:03:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:03:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:03:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 01:03:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:03:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:03:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 01:03:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 01:03:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 01:03:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 01:03:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 01:03:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 01:03:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:03:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 01:03:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 01:03:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-29 01:03:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 01:03:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 01:03:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-29 01:03:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-29 01:03:39,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:03:39,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572014928] [2023-11-29 01:03:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572014928] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:03:39,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373711394] [2023-11-29 01:03:39,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:39,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:03:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:03:39,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:03:39,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:03:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:03:40,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 01:03:40,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:03:44,685 WARN L876 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$#6.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$Pointer$#6.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset))))) is different from true [2023-11-29 01:03:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2023-11-29 01:03:52,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:03:52,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373711394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:03:52,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:03:52,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2023-11-29 01:03:52,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115655025] [2023-11-29 01:03:52,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:03:52,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:03:52,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:03:52,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:03:52,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=200, Unknown=3, NotChecked=28, Total=272 [2023-11-29 01:03:52,833 INFO L87 Difference]: Start difference. First operand 205 states and 276 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2023-11-29 01:03:58,106 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 01:03:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:03:58,456 INFO L93 Difference]: Finished difference Result 368 states and 506 transitions. [2023-11-29 01:03:58,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:03:58,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 201 [2023-11-29 01:03:58,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:03:58,459 INFO L225 Difference]: With dead ends: 368 [2023-11-29 01:03:58,459 INFO L226 Difference]: Without dead ends: 212 [2023-11-29 01:03:58,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=69, Invalid=312, Unknown=3, NotChecked=36, Total=420 [2023-11-29 01:03:58,461 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 12 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 283 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:03:58,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1379 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 227 Invalid, 1 Unknown, 283 Unchecked, 5.4s Time] [2023-11-29 01:03:58,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-29 01:03:58,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2023-11-29 01:03:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 132 states have (on average 1.2803030303030303) internal successors, (169), 134 states have internal predecessors, (169), 56 states have call successors, (56), 20 states have call predecessors, (56), 22 states have return successors, (57), 56 states have call predecessors, (57), 55 states have call successors, (57) [2023-11-29 01:03:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions. [2023-11-29 01:03:58,485 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 201 [2023-11-29 01:03:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:03:58,485 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 282 transitions. [2023-11-29 01:03:58,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2023-11-29 01:03:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2023-11-29 01:03:58,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-29 01:03:58,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:03:58,489 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:03:58,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:03:58,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:03:58,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:03:58,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:03:58,693 INFO L85 PathProgramCache]: Analyzing trace with hash -841263360, now seen corresponding path program 1 times [2023-11-29 01:03:58,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:03:58,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37489276] [2023-11-29 01:03:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:03:58,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:03:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:04:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:04:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:04:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:04:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:04:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:04:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:04:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:04:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 01:04:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:04:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 01:04:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:04:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:04:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:04:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 01:04:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:04:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:04:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 01:04:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 01:04:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 01:04:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 01:04:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 01:04:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:04:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:04:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 01:04:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 01:04:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:02,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-29 01:04:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:04:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 01:04:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:04:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:04:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2023-11-29 01:04:02,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:04:02,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37489276] [2023-11-29 01:04:02,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37489276] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:04:02,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472527000] [2023-11-29 01:04:02,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:04:02,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:04:02,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:04:02,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:04:02,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:04:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:02,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 2596 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 01:04:02,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:04:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2023-11-29 01:04:02,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:04:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2023-11-29 01:04:03,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472527000] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 01:04:03,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:04:03,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23, 8] total 31 [2023-11-29 01:04:03,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412725291] [2023-11-29 01:04:03,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:04:03,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:04:03,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:04:03,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:04:03,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2023-11-29 01:04:03,028 INFO L87 Difference]: Start difference. First operand 211 states and 282 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 01:04:03,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:04:03,460 INFO L93 Difference]: Finished difference Result 219 states and 290 transitions. [2023-11-29 01:04:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:04:03,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 207 [2023-11-29 01:04:03,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:04:03,463 INFO L225 Difference]: With dead ends: 219 [2023-11-29 01:04:03,464 INFO L226 Difference]: Without dead ends: 217 [2023-11-29 01:04:03,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=921, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:04:03,465 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 6 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:04:03,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 963 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 01:04:03,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-29 01:04:03,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2023-11-29 01:04:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 135 states have (on average 1.2740740740740741) internal successors, (172), 138 states have internal predecessors, (172), 57 states have call successors, (57), 21 states have call predecessors, (57), 23 states have return successors, (58), 56 states have call predecessors, (58), 56 states have call successors, (58) [2023-11-29 01:04:03,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2023-11-29 01:04:03,488 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 207 [2023-11-29 01:04:03,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:04:03,489 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2023-11-29 01:04:03,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-29 01:04:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2023-11-29 01:04:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 01:04:03,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:04:03,493 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:04:03,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 01:04:03,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 01:04:03,703 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:04:03,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:04:03,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1650301551, now seen corresponding path program 1 times [2023-11-29 01:04:03,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:04:03,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664763171] [2023-11-29 01:04:03,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:04:03,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:04:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:04:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:04:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:04:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:04:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:04:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:04:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:04:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:04:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 01:04:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:04:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 01:04:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:04:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:04:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:04:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 01:04:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:04:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:04:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 01:04:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 01:04:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 01:04:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 01:04:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 01:04:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:04:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:04:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 01:04:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 01:04:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-29 01:04:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:04:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 01:04:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:04:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:04:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 01:04:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2023-11-29 01:04:06,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:04:06,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664763171] [2023-11-29 01:04:06,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664763171] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:04:06,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268123064] [2023-11-29 01:04:06,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:04:06,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:04:06,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:04:06,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:04:06,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:04:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:06,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 2616 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-29 01:04:06,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:04:07,150 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 15 treesize of output 1 [2023-11-29 01:04:08,317 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 01:04:08,320 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 01:04:09,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2023-11-29 01:04:09,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-29 01:04:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 558 proven. 4 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-29 01:04:09,696 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:04:09,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2023-11-29 01:04:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2023-11-29 01:04:09,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268123064] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:04:09,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:04:10,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 14] total 35 [2023-11-29 01:04:10,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061058706] [2023-11-29 01:04:10,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:04:10,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-29 01:04:10,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:04:10,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-29 01:04:10,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 01:04:10,003 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand has 35 states, 31 states have (on average 4.451612903225806) internal successors, (138), 25 states have internal predecessors, (138), 15 states have call successors, (78), 11 states have call predecessors, (78), 8 states have return successors, (70), 15 states have call predecessors, (70), 14 states have call successors, (70) [2023-11-29 01:04:14,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:04:20,214 WARN L539 Checker$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 01:04:24,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:04:28,373 WARN L539 Checker$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 01:04:32,541 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 01:04:36,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:04:36,913 INFO L93 Difference]: Finished difference Result 395 states and 515 transitions. [2023-11-29 01:04:36,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 01:04:36,914 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 31 states have (on average 4.451612903225806) internal successors, (138), 25 states have internal predecessors, (138), 15 states have call successors, (78), 11 states have call predecessors, (78), 8 states have return successors, (70), 15 states have call predecessors, (70), 14 states have call successors, (70) Word has length 213 [2023-11-29 01:04:36,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:04:36,917 INFO L225 Difference]: With dead ends: 395 [2023-11-29 01:04:36,917 INFO L226 Difference]: Without dead ends: 265 [2023-11-29 01:04:36,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 454 SyntacticMatches, 30 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=342, Invalid=2738, Unknown=0, NotChecked=0, Total=3080 [2023-11-29 01:04:36,920 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 642 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 5494 mSolverCounterSat, 342 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 5841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 5494 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:04:36,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 995 Invalid, 5841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 5494 Invalid, 5 Unknown, 0 Unchecked, 25.8s Time] [2023-11-29 01:04:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-11-29 01:04:36,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 253. [2023-11-29 01:04:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 163 states have (on average 1.2515337423312884) internal successors, (204), 167 states have internal predecessors, (204), 59 states have call successors, (59), 28 states have call predecessors, (59), 30 states have return successors, (62), 57 states have call predecessors, (62), 58 states have call successors, (62) [2023-11-29 01:04:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 325 transitions. [2023-11-29 01:04:36,945 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 325 transitions. Word has length 213 [2023-11-29 01:04:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:04:36,946 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 325 transitions. [2023-11-29 01:04:36,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 31 states have (on average 4.451612903225806) internal successors, (138), 25 states have internal predecessors, (138), 15 states have call successors, (78), 11 states have call predecessors, (78), 8 states have return successors, (70), 15 states have call predecessors, (70), 14 states have call successors, (70) [2023-11-29 01:04:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 325 transitions. [2023-11-29 01:04:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 01:04:36,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:04:36,949 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:04:36,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:04:37,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 01:04:37,150 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:04:37,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:04:37,150 INFO L85 PathProgramCache]: Analyzing trace with hash -86320272, now seen corresponding path program 2 times [2023-11-29 01:04:37,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:04:37,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539332627] [2023-11-29 01:04:37,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:04:37,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:04:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:04:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:04:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:04:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:04:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:04:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:04:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:04:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:04:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 01:04:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:04:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 01:04:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:04:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:04:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:04:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 01:04:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:04:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:04:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 01:04:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 01:04:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 01:04:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 01:04:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 01:04:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:04:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:04:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 01:04:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 01:04:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:04:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:04:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 01:04:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:04:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-29 01:04:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-29 01:04:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-29 01:04:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2023-11-29 01:04:39,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:04:39,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539332627] [2023-11-29 01:04:39,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539332627] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:04:39,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652803349] [2023-11-29 01:04:39,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:04:39,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:04:39,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:04:39,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:04:39,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:04:40,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:04:40,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:04:40,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 01:04:40,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:04:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-29 01:04:40,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:04:40,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652803349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:04:40,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:04:40,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [24] total 29 [2023-11-29 01:04:40,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411914807] [2023-11-29 01:04:40,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:04:40,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:04:40,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:04:40,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:04:40,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2023-11-29 01:04:40,131 INFO L87 Difference]: Start difference. First operand 253 states and 325 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-29 01:04:40,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:04:40,739 INFO L93 Difference]: Finished difference Result 263 states and 335 transitions. [2023-11-29 01:04:40,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:04:40,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) Word has length 219 [2023-11-29 01:04:40,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:04:40,742 INFO L225 Difference]: With dead ends: 263 [2023-11-29 01:04:40,742 INFO L226 Difference]: Without dead ends: 261 [2023-11-29 01:04:40,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=861, Unknown=0, NotChecked=0, Total=930 [2023-11-29 01:04:40,743 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 6 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:04:40,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1462 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 01:04:40,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-11-29 01:04:40,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 254. [2023-11-29 01:04:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 164 states have (on average 1.25) internal successors, (205), 167 states have internal predecessors, (205), 59 states have call successors, (59), 28 states have call predecessors, (59), 30 states have return successors, (62), 58 states have call predecessors, (62), 58 states have call successors, (62) [2023-11-29 01:04:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 326 transitions. [2023-11-29 01:04:40,777 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 326 transitions. Word has length 219 [2023-11-29 01:04:40,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:04:40,778 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 326 transitions. [2023-11-29 01:04:40,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-29 01:04:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 326 transitions. [2023-11-29 01:04:40,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-29 01:04:40,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:04:40,781 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2023-11-29 01:04:40,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:04:40,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:04:40,983 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:04:40,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:04:40,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2056373775, now seen corresponding path program 3 times [2023-11-29 01:04:40,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:04:40,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218446742] [2023-11-29 01:04:40,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:04:40,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:04:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:42,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:04:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:04:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:04:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:04:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:04:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:04:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:04:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:04:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:04:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 01:04:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:04:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 01:04:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:04:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:04:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:04:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 01:04:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:04:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:04:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 01:04:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 01:04:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 01:04:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 01:04:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 01:04:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:04:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:04:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 01:04:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 01:04:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:04:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:04:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 01:04:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:04:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-29 01:04:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-29 01:04:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-29 01:04:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:04:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:04:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2023-11-29 01:04:43,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:04:43,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218446742] [2023-11-29 01:04:43,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218446742] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:04:43,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091965965] [2023-11-29 01:04:43,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:04:43,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:04:43,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:04:43,693 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:04:43,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:04:44,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-11-29 01:04:44,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:04:44,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 1804 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 01:04:44,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:04:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-11-29 01:04:44,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:04:44,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091965965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:04:44,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:04:44,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [24] total 32 [2023-11-29 01:04:44,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888093069] [2023-11-29 01:04:44,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:04:44,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:04:44,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:04:44,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:04:44,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=917, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:04:44,820 INFO L87 Difference]: Start difference. First operand 254 states and 326 transitions. Second operand has 10 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-29 01:04:50,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:04:55,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:04:59,232 WARN L539 Checker$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 01:05:03,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:07,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:11,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:15,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:19,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:23,745 WARN L539 Checker$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 01:05:27,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:31,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:36,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:40,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:44,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:48,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:52,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:05:53,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:05:53,498 INFO L93 Difference]: Finished difference Result 451 states and 590 transitions. [2023-11-29 01:05:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:05:53,499 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 225 [2023-11-29 01:05:53,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:05:53,502 INFO L225 Difference]: With dead ends: 451 [2023-11-29 01:05:53,502 INFO L226 Difference]: Without dead ends: 358 [2023-11-29 01:05:53,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=101, Invalid=1159, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 01:05:53,504 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 107 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 5 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:05:53,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 1882 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 611 Invalid, 16 Unknown, 0 Unchecked, 68.4s Time] [2023-11-29 01:05:53,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-11-29 01:05:53,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 353. [2023-11-29 01:05:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 235 states have (on average 1.2851063829787235) internal successors, (302), 242 states have internal predecessors, (302), 74 states have call successors, (74), 36 states have call predecessors, (74), 43 states have return successors, (84), 74 states have call predecessors, (84), 72 states have call successors, (84) [2023-11-29 01:05:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 460 transitions. [2023-11-29 01:05:53,549 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 460 transitions. Word has length 225 [2023-11-29 01:05:53,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:05:53,550 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 460 transitions. [2023-11-29 01:05:53,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-29 01:05:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 460 transitions. [2023-11-29 01:05:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-11-29 01:05:53,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:05:53,551 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:05:53,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 01:05:53,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:05:53,752 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:05:53,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:05:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash 442214412, now seen corresponding path program 1 times [2023-11-29 01:05:53,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:05:53,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044611189] [2023-11-29 01:05:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:05:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:05:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:05:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:05:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:05:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:05:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:05:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:05:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:05:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:05:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:05:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:05:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:05:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:05:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 01:05:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:05:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 01:05:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:05:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:05:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:05:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 01:05:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:05:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:05:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 01:05:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 01:05:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 01:05:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 01:05:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 01:05:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:05:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:05:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 01:05:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 01:05:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:05:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:05:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 01:05:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:05:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-29 01:05:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-29 01:05:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-29 01:05:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:05:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2023-11-29 01:05:56,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:05:56,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044611189] [2023-11-29 01:05:56,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044611189] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:05:56,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202780961] [2023-11-29 01:05:56,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:05:56,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:05:56,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:05:56,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:05:56,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:05:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:05:57,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 2682 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 01:05:57,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:05:57,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-11-29 01:05:57,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-29 01:05:57,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 01:05:57,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 01:05:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-29 01:05:57,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:05:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 725 trivial. 0 not checked. [2023-11-29 01:05:57,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202780961] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:05:57,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:05:57,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 7, 8] total 31 [2023-11-29 01:05:57,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173134595] [2023-11-29 01:05:57,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:05:57,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-29 01:05:57,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:05:57,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-29 01:05:57,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2023-11-29 01:05:57,588 INFO L87 Difference]: Start difference. First operand 353 states and 460 transitions. Second operand has 31 states, 27 states have (on average 5.037037037037037) internal successors, (136), 24 states have internal predecessors, (136), 14 states have call successors, (77), 8 states have call predecessors, (77), 7 states have return successors, (69), 11 states have call predecessors, (69), 13 states have call successors, (69) [2023-11-29 01:06:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:06:04,014 INFO L93 Difference]: Finished difference Result 571 states and 753 transitions. [2023-11-29 01:06:04,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 01:06:04,015 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 27 states have (on average 5.037037037037037) internal successors, (136), 24 states have internal predecessors, (136), 14 states have call successors, (77), 8 states have call predecessors, (77), 7 states have return successors, (69), 11 states have call predecessors, (69), 13 states have call successors, (69) Word has length 227 [2023-11-29 01:06:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:06:04,017 INFO L225 Difference]: With dead ends: 571 [2023-11-29 01:06:04,017 INFO L226 Difference]: Without dead ends: 364 [2023-11-29 01:06:04,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=237, Invalid=2115, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 01:06:04,019 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 431 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 4710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:06:04,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 1090 Invalid, 4710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 01:06:04,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-11-29 01:06:04,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 351. [2023-11-29 01:06:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 235 states have (on average 1.2851063829787235) internal successors, (302), 240 states have internal predecessors, (302), 73 states have call successors, (73), 37 states have call predecessors, (73), 42 states have return successors, (81), 73 states have call predecessors, (81), 71 states have call successors, (81) [2023-11-29 01:06:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 456 transitions. [2023-11-29 01:06:04,054 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 456 transitions. Word has length 227 [2023-11-29 01:06:04,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:06:04,054 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 456 transitions. [2023-11-29 01:06:04,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 27 states have (on average 5.037037037037037) internal successors, (136), 24 states have internal predecessors, (136), 14 states have call successors, (77), 8 states have call predecessors, (77), 7 states have return successors, (69), 11 states have call predecessors, (69), 13 states have call successors, (69) [2023-11-29 01:06:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 456 transitions. [2023-11-29 01:06:04,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-29 01:06:04,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:06:04,058 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:06:04,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 01:06:04,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 01:06:04,261 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:06:04,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:06:04,261 INFO L85 PathProgramCache]: Analyzing trace with hash 97057771, now seen corresponding path program 1 times [2023-11-29 01:06:04,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:06:04,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932710200] [2023-11-29 01:06:04,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:06:04,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:06:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:06:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:06:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:06:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:06:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:06:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:06:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:06:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:06:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:06:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:06:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:06:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:06:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 01:06:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:06:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 01:06:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:06:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 01:06:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:06:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 01:06:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:06:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 01:06:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 01:06:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 01:06:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 01:06:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 01:06:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 01:06:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:06:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:06:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 01:06:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 01:06:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:06:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:06:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 01:06:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:06:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-29 01:06:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:06:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 01:06:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 01:06:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:06:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2023-11-29 01:06:05,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:06:05,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932710200] [2023-11-29 01:06:05,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932710200] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:06:05,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436974897] [2023-11-29 01:06:05,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:06:05,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:06:05,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:06:05,211 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:06:05,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:06:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:05,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 2713 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-29 01:06:05,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:06:05,820 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 8 treesize of output 1 [2023-11-29 01:06:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 120 proven. 5 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2023-11-29 01:06:06,430 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:06:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 38 proven. 8 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-11-29 01:06:07,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436974897] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:06:07,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:06:07,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16, 13] total 33 [2023-11-29 01:06:07,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282435961] [2023-11-29 01:06:07,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:06:07,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-29 01:06:07,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:06:07,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-29 01:06:07,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=953, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 01:06:07,241 INFO L87 Difference]: Start difference. First operand 351 states and 456 transitions. Second operand has 33 states, 28 states have (on average 4.714285714285714) internal successors, (132), 27 states have internal predecessors, (132), 9 states have call successors, (69), 8 states have call predecessors, (69), 11 states have return successors, (59), 8 states have call predecessors, (59), 9 states have call successors, (59) [2023-11-29 01:06:16,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:06:22,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:06:22,148 INFO L93 Difference]: Finished difference Result 877 states and 1204 transitions. [2023-11-29 01:06:22,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-29 01:06:22,149 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 28 states have (on average 4.714285714285714) internal successors, (132), 27 states have internal predecessors, (132), 9 states have call successors, (69), 8 states have call predecessors, (69), 11 states have return successors, (59), 8 states have call predecessors, (59), 9 states have call successors, (59) Word has length 233 [2023-11-29 01:06:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:06:22,153 INFO L225 Difference]: With dead ends: 877 [2023-11-29 01:06:22,153 INFO L226 Difference]: Without dead ends: 629 [2023-11-29 01:06:22,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 523 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=526, Invalid=3896, Unknown=0, NotChecked=0, Total=4422 [2023-11-29 01:06:22,156 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 616 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 5316 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 5672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 5316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:06:22,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 968 Invalid, 5672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 5316 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2023-11-29 01:06:22,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-11-29 01:06:22,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2023-11-29 01:06:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 409 states have (on average 1.2885085574572128) internal successors, (527), 422 states have internal predecessors, (527), 124 states have call successors, (124), 59 states have call predecessors, (124), 77 states have return successors, (180), 129 states have call predecessors, (180), 120 states have call successors, (180) [2023-11-29 01:06:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 831 transitions. [2023-11-29 01:06:22,229 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 831 transitions. Word has length 233 [2023-11-29 01:06:22,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:06:22,230 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 831 transitions. [2023-11-29 01:06:22,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 28 states have (on average 4.714285714285714) internal successors, (132), 27 states have internal predecessors, (132), 9 states have call successors, (69), 8 states have call predecessors, (69), 11 states have return successors, (59), 8 states have call predecessors, (59), 9 states have call successors, (59) [2023-11-29 01:06:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 831 transitions. [2023-11-29 01:06:22,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-29 01:06:22,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:06:22,233 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:06:22,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 01:06:22,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:06:22,434 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:06:22,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:06:22,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1282865803, now seen corresponding path program 1 times [2023-11-29 01:06:22,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:06:22,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739678097] [2023-11-29 01:06:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:06:22,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:06:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:06:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:06:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:06:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:06:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 01:06:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:06:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:06:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:06:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 01:06:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:06:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:06:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 01:06:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 01:06:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:06:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 01:06:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 01:06:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 01:06:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 01:06:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 01:06:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 01:06:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 01:06:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 01:06:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:06:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 01:06:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:06:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-29 01:06:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 01:06:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 01:06:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:06:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-29 01:06:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-29 01:06:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:06:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:06:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-29 01:06:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 01:06:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-29 01:06:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:06:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 01:06:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-29 01:06:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:06:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-11-29 01:06:23,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:06:23,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739678097] [2023-11-29 01:06:23,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739678097] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:06:23,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474065502] [2023-11-29 01:06:23,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:06:23,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:06:23,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:06:23,114 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:06:23,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:06:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:06:23,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 2778 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:06:23,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:06:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 402 proven. 46 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-29 01:06:23,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:06:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-11-29 01:06:24,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474065502] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:06:24,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:06:24,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 16 [2023-11-29 01:06:24,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198495744] [2023-11-29 01:06:24,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:06:24,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 01:06:24,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:06:24,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 01:06:24,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:06:24,097 INFO L87 Difference]: Start difference. First operand 611 states and 831 transitions. Second operand has 16 states, 16 states have (on average 10.875) internal successors, (174), 12 states have internal predecessors, (174), 9 states have call successors, (98), 7 states have call predecessors, (98), 5 states have return successors, (92), 9 states have call predecessors, (92), 9 states have call successors, (92) [2023-11-29 01:06:25,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:06:25,637 INFO L93 Difference]: Finished difference Result 738 states and 990 transitions. [2023-11-29 01:06:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:06:25,638 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.875) internal successors, (174), 12 states have internal predecessors, (174), 9 states have call successors, (98), 7 states have call predecessors, (98), 5 states have return successors, (92), 9 states have call predecessors, (92), 9 states have call successors, (92) Word has length 248 [2023-11-29 01:06:25,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:06:25,639 INFO L225 Difference]: With dead ends: 738 [2023-11-29 01:06:25,639 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 01:06:25,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 566 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2023-11-29 01:06:25,641 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 173 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:06:25,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 433 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 01:06:25,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 01:06:25,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 01:06:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:06:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:06:25,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2023-11-29 01:06:25,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:06:25,643 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:06:25,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.875) internal successors, (174), 12 states have internal predecessors, (174), 9 states have call successors, (98), 7 states have call predecessors, (98), 5 states have return successors, (92), 9 states have call predecessors, (92), 9 states have call successors, (92) [2023-11-29 01:06:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:06:25,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 01:06:25,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:06:25,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 01:06:25,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:06:25,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 01:06:58,484 WARN L293 SmtUtils]: Spent 32.09s on a formula simplification. DAG size of input: 98 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 01:07:18,942 WARN L293 SmtUtils]: Spent 20.32s on a formula simplification. DAG size of input: 105 DAG size of output: 61 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 01:07:19,676 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6931 6936) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,677 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6931 6936) no Hoare annotation was computed. [2023-11-29 01:07:19,677 INFO L899 garLoopResultBuilder]: For program point L6932-1(lines 6932 6934) no Hoare annotation was computed. [2023-11-29 01:07:19,677 INFO L895 garLoopResultBuilder]: At program point L6932(lines 6932 6934) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,677 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2023-11-29 01:07:19,677 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2023-11-29 01:07:19,677 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2586 2594) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_real#4| |old(#memory_real#4)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,677 INFO L899 garLoopResultBuilder]: For program point aws_mul_u64_checked_returnLabel#1(lines 2497 2502) no Hoare annotation was computed. [2023-11-29 01:07:19,677 INFO L895 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_real#4| |old(#memory_real#4)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,677 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2023-11-29 01:07:19,677 INFO L895 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,677 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-29 01:07:19,678 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-29 01:07:19,678 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1988 1999) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,678 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-11-29 01:07:19,678 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-29 01:07:19,678 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-29 01:07:19,678 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-29 01:07:19,678 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-29 01:07:19,678 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-29 01:07:19,678 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-29 01:07:19,678 INFO L902 garLoopResultBuilder]: At program point L9606-5(line 9606) the Hoare annotation is: true [2023-11-29 01:07:19,678 INFO L899 garLoopResultBuilder]: For program point L9606-6(lines 9569 9607) no Hoare annotation was computed. [2023-11-29 01:07:19,679 INFO L902 garLoopResultBuilder]: At program point L9583-2(lines 9583 9602) the Hoare annotation is: true [2023-11-29 01:07:19,679 INFO L899 garLoopResultBuilder]: For program point L9584-4(line 9584) no Hoare annotation was computed. [2023-11-29 01:07:19,679 INFO L899 garLoopResultBuilder]: For program point L9584(line 9584) no Hoare annotation was computed. [2023-11-29 01:07:19,679 INFO L899 garLoopResultBuilder]: For program point L9584-2(line 9584) no Hoare annotation was computed. [2023-11-29 01:07:19,679 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9569 9607) the Hoare annotation is: true [2023-11-29 01:07:19,679 INFO L899 garLoopResultBuilder]: For program point L9107(lines 9107 9111) no Hoare annotation was computed. [2023-11-29 01:07:19,679 INFO L902 garLoopResultBuilder]: At program point L9570(line 9570) the Hoare annotation is: true [2023-11-29 01:07:19,679 INFO L899 garLoopResultBuilder]: For program point L9595(line 9595) no Hoare annotation was computed. [2023-11-29 01:07:19,679 INFO L902 garLoopResultBuilder]: At program point L9570-1(line 9570) the Hoare annotation is: true [2023-11-29 01:07:19,679 INFO L899 garLoopResultBuilder]: For program point L9570-2(line 9570) no Hoare annotation was computed. [2023-11-29 01:07:19,679 INFO L902 garLoopResultBuilder]: At program point L9108(line 9108) the Hoare annotation is: true [2023-11-29 01:07:19,680 INFO L902 garLoopResultBuilder]: At program point L9108-1(line 9108) the Hoare annotation is: true [2023-11-29 01:07:19,680 INFO L899 garLoopResultBuilder]: For program point L9587(lines 9587 9589) no Hoare annotation was computed. [2023-11-29 01:07:19,680 INFO L899 garLoopResultBuilder]: For program point L9108-2(line 9108) no Hoare annotation was computed. [2023-11-29 01:07:19,680 INFO L899 garLoopResultBuilder]: For program point L9595-2(line 9595) no Hoare annotation was computed. [2023-11-29 01:07:19,680 INFO L899 garLoopResultBuilder]: For program point L9595-4(lines 9595 9597) no Hoare annotation was computed. [2023-11-29 01:07:19,680 INFO L902 garLoopResultBuilder]: At program point L9571(line 9571) the Hoare annotation is: true [2023-11-29 01:07:19,680 INFO L899 garLoopResultBuilder]: For program point L9571-1(line 9571) no Hoare annotation was computed. [2023-11-29 01:07:19,680 INFO L899 garLoopResultBuilder]: For program point L9605(line 9605) no Hoare annotation was computed. [2023-11-29 01:07:19,680 INFO L899 garLoopResultBuilder]: For program point L9572(line 9572) no Hoare annotation was computed. [2023-11-29 01:07:19,680 INFO L899 garLoopResultBuilder]: For program point L9605-1(line 9605) no Hoare annotation was computed. [2023-11-29 01:07:19,680 INFO L902 garLoopResultBuilder]: At program point L9605-2(line 9605) the Hoare annotation is: true [2023-11-29 01:07:19,680 INFO L902 garLoopResultBuilder]: At program point L9572-2(line 9572) the Hoare annotation is: true [2023-11-29 01:07:19,681 INFO L899 garLoopResultBuilder]: For program point L9572-3(line 9572) no Hoare annotation was computed. [2023-11-29 01:07:19,681 INFO L899 garLoopResultBuilder]: For program point L9110-1(line 9110) no Hoare annotation was computed. [2023-11-29 01:07:19,681 INFO L902 garLoopResultBuilder]: At program point L9110-2(line 9110) the Hoare annotation is: true [2023-11-29 01:07:19,681 INFO L899 garLoopResultBuilder]: For program point L9110-3(line 9110) no Hoare annotation was computed. [2023-11-29 01:07:19,681 INFO L899 garLoopResultBuilder]: For program point s_remove_entryEXIT(lines 9569 9607) no Hoare annotation was computed. [2023-11-29 01:07:19,681 INFO L902 garLoopResultBuilder]: At program point L9110-5(line 9110) the Hoare annotation is: true [2023-11-29 01:07:19,681 INFO L899 garLoopResultBuilder]: For program point L9110-6(line 9110) no Hoare annotation was computed. [2023-11-29 01:07:19,681 INFO L902 garLoopResultBuilder]: At program point L9110-8(line 9110) the Hoare annotation is: true [2023-11-29 01:07:19,681 INFO L899 garLoopResultBuilder]: For program point L9606-1(line 9606) no Hoare annotation was computed. [2023-11-29 01:07:19,681 INFO L902 garLoopResultBuilder]: At program point L9606-3(line 9606) the Hoare annotation is: true [2023-11-29 01:07:19,681 INFO L899 garLoopResultBuilder]: For program point L9606-4(line 9606) no Hoare annotation was computed. [2023-11-29 01:07:19,681 INFO L899 garLoopResultBuilder]: For program point L9606(line 9606) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#5EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#4EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#7EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#6EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,682 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#1EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#0EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#3EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#2EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,683 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#9EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#8EXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L899 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 9965 10012) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L899 garLoopResultBuilder]: For program point L9967(lines 9967 9971) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L899 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 9965 10012) no Hoare annotation was computed. [2023-11-29 01:07:19,684 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9965 10012) the Hoare annotation is: true [2023-11-29 01:07:19,685 INFO L895 garLoopResultBuilder]: At program point L9993(line 9993) the Hoare annotation is: (let ((.cse5 (select (select |#memory_int#3| |hash_table_state_is_valid_#in~map.base|) (+ 40 |hash_table_state_is_valid_#in~map.offset|)))) (let ((.cse0 (forall ((|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8| Int)) (= (select (select |#memory_$Pointer$#6.base| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8|) 0) 0))) (.cse3 (= hash_table_state_is_valid_~map.offset |hash_table_state_is_valid_#in~map.offset|)) (.cse4 (= .cse5 |hash_table_state_is_valid_#t~mem1496|)) (.cse1 (= |hash_table_state_is_valid_#in~map.offset| 0)) (.cse2 (= |hash_table_state_is_valid_#in~map.base| 0))) (and (or .cse0 (= |hash_table_state_is_valid_#in~map.base| hash_table_state_is_valid_~map.base)) (or .cse0 (and (or (not .cse1) (not .cse2)) .cse3 .cse4) (< |#StackHeapBarrier| 1)) (or (forall ((|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1| Int)) (or (= (select (select |#memory_$Pointer$#6.base| (select (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$#5.offset| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1|) 0) 0)))) (and .cse3 .cse4) (forall ((|v_s_remove_entry_s_index_for_~map#1.offset_BEFORE_CALL_1| Int) (|v_s_remove_entry_s_index_for_~map#1.base_BEFORE_CALL_1| Int)) (< (mod (select (select |#memory_int#3| |v_s_remove_entry_s_index_for_~map#1.base_BEFORE_CALL_1|) (+ 40 |v_s_remove_entry_s_index_for_~map#1.offset_BEFORE_CALL_1|)) 18446744073709551616) 1)) (and .cse1 .cse2) (not (= (mod .cse5 18446744073709551616) 0)))))) [2023-11-29 01:07:19,685 INFO L899 garLoopResultBuilder]: For program point L9993-1(line 9993) no Hoare annotation was computed. [2023-11-29 01:07:19,685 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-29 01:07:19,685 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-29 01:07:19,685 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-29 01:07:19,685 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-29 01:07:19,685 INFO L902 garLoopResultBuilder]: At program point L9850(line 9850) the Hoare annotation is: true [2023-11-29 01:07:19,685 INFO L899 garLoopResultBuilder]: For program point L9858-2(lines 9858 9860) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L899 garLoopResultBuilder]: For program point L9858-4(lines 9858 9860) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L902 garLoopResultBuilder]: At program point L9842(line 9842) the Hoare annotation is: true [2023-11-29 01:07:19,686 INFO L899 garLoopResultBuilder]: For program point L9850-1(line 9850) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L902 garLoopResultBuilder]: At program point L9842-1(line 9842) the Hoare annotation is: true [2023-11-29 01:07:19,686 INFO L899 garLoopResultBuilder]: For program point L9842-2(line 9842) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L902 garLoopResultBuilder]: At program point L9843(line 9843) the Hoare annotation is: true [2023-11-29 01:07:19,686 INFO L899 garLoopResultBuilder]: For program point L9843-1(line 9843) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L899 garLoopResultBuilder]: For program point L9852(lines 9852 9854) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L899 garLoopResultBuilder]: For program point aws_hash_iter_deleteEXIT(lines 9837 9870) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L899 garLoopResultBuilder]: For program point L9848(lines 9848 9855) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L899 garLoopResultBuilder]: For program point L9848-1(lines 9848 9855) no Hoare annotation was computed. [2023-11-29 01:07:19,686 INFO L902 garLoopResultBuilder]: At program point L9869(line 9869) the Hoare annotation is: true [2023-11-29 01:07:19,687 INFO L902 garLoopResultBuilder]: At program point L9869-1(line 9869) the Hoare annotation is: true [2023-11-29 01:07:19,687 INFO L899 garLoopResultBuilder]: For program point L9869-2(line 9869) no Hoare annotation was computed. [2023-11-29 01:07:19,687 INFO L902 garLoopResultBuilder]: At program point L9840(line 9840) the Hoare annotation is: true [2023-11-29 01:07:19,687 INFO L899 garLoopResultBuilder]: For program point L9840-1(line 9840) no Hoare annotation was computed. [2023-11-29 01:07:19,687 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9837 9870) the Hoare annotation is: true [2023-11-29 01:07:19,687 INFO L902 garLoopResultBuilder]: At program point L9853(line 9853) the Hoare annotation is: true [2023-11-29 01:07:19,687 INFO L899 garLoopResultBuilder]: For program point L9853-1(line 9853) no Hoare annotation was computed. [2023-11-29 01:07:19,687 INFO L902 garLoopResultBuilder]: At program point L9857(line 9857) the Hoare annotation is: true [2023-11-29 01:07:19,687 INFO L899 garLoopResultBuilder]: For program point L9857-1(line 9857) no Hoare annotation was computed. [2023-11-29 01:07:19,687 INFO L899 garLoopResultBuilder]: For program point L9849(lines 9849 9851) no Hoare annotation was computed. [2023-11-29 01:07:19,687 INFO L899 garLoopResultBuilder]: For program point L9849-2(lines 9849 9851) no Hoare annotation was computed. [2023-11-29 01:07:19,687 INFO L902 garLoopResultBuilder]: At program point L9866(line 9866) the Hoare annotation is: true [2023-11-29 01:07:19,688 INFO L899 garLoopResultBuilder]: For program point L9858(line 9858) no Hoare annotation was computed. [2023-11-29 01:07:19,688 INFO L899 garLoopResultBuilder]: For program point L9866-1(line 9866) no Hoare annotation was computed. [2023-11-29 01:07:19,688 INFO L902 garLoopResultBuilder]: At program point L10074(line 10074) the Hoare annotation is: true [2023-11-29 01:07:19,688 INFO L899 garLoopResultBuilder]: For program point L10070-1(line 10070) no Hoare annotation was computed. [2023-11-29 01:07:19,688 INFO L899 garLoopResultBuilder]: For program point L10070-2(lines 10070 10072) no Hoare annotation was computed. [2023-11-29 01:07:19,688 INFO L899 garLoopResultBuilder]: For program point L10074-1(line 10074) no Hoare annotation was computed. [2023-11-29 01:07:19,688 INFO L899 garLoopResultBuilder]: For program point L10074-2(lines 10074 10076) no Hoare annotation was computed. [2023-11-29 01:07:19,688 INFO L899 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10067 10079) no Hoare annotation was computed. [2023-11-29 01:07:19,688 INFO L895 garLoopResultBuilder]: At program point L10070(line 10070) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,689 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 10067 10079) the Hoare annotation is: (or (and (= |#memory_int#8| |old(#memory_int#8)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#8.base)| |#memory_$Pointer$#8.base|) (= |#memory_real#4| |old(#memory_real#4)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_$Pointer$#8.offset| |old(#memory_$Pointer$#8.offset)|) (= |#memory_real#8| |old(#memory_real#8)|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,689 INFO L899 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10067 10079) no Hoare annotation was computed. [2023-11-29 01:07:19,689 INFO L899 garLoopResultBuilder]: For program point L10042(line 10042) no Hoare annotation was computed. [2023-11-29 01:07:19,689 INFO L899 garLoopResultBuilder]: For program point L10030-1(lines 10030 10034) no Hoare annotation was computed. [2023-11-29 01:07:19,689 INFO L895 garLoopResultBuilder]: At program point L10030(line 10030) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1| Int)) (or (= (select (select |#memory_$Pointer$#6.base| (select (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$#5.offset| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1|) 0) 0)))) (and (= |aws_hash_iter_is_valid_#in~iter.base| 0) (= aws_hash_iter_is_valid_~iter.base 0)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,689 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 10018 10059) the Hoare annotation is: true [2023-11-29 01:07:19,689 INFO L899 garLoopResultBuilder]: For program point L10020(lines 10020 10024) no Hoare annotation was computed. [2023-11-29 01:07:19,689 INFO L899 garLoopResultBuilder]: For program point L10051(line 10051) no Hoare annotation was computed. [2023-11-29 01:07:19,689 INFO L899 garLoopResultBuilder]: For program point L10051-1(line 10051) no Hoare annotation was computed. [2023-11-29 01:07:19,689 INFO L899 garLoopResultBuilder]: For program point L10045(line 10045) no Hoare annotation was computed. [2023-11-29 01:07:19,689 INFO L899 garLoopResultBuilder]: For program point L10045-1(line 10045) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point L10045-3(line 10045) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point L10051-3(line 10051) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point aws_hash_iter_is_validEXIT(lines 10018 10059) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point L10035(lines 10035 10039) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point L10025(lines 10025 10029) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point aws_hash_iter_is_validFINAL(lines 10018 10059) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-29 01:07:19,690 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 248 251) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point L9956-7(line 9956) no Hoare annotation was computed. [2023-11-29 01:07:19,690 INFO L899 garLoopResultBuilder]: For program point L9956-3(line 9956) no Hoare annotation was computed. [2023-11-29 01:07:19,691 INFO L895 garLoopResultBuilder]: At program point L9956-4(line 9956) the Hoare annotation is: (let ((.cse4 (= (select (select |#memory_$Pointer$#6.base| |aws_hash_table_is_valid_#in~map.base|) |aws_hash_table_is_valid_#in~map.offset|) 0)) (.cse5 (= (select (select |#memory_$Pointer$#6.offset| |aws_hash_table_is_valid_#in~map.base|) |aws_hash_table_is_valid_#in~map.offset|) 0)) (.cse3 (< |#StackHeapBarrier| 1))) (and (let ((.cse0 (= aws_hash_table_is_valid_~map.offset |aws_hash_table_is_valid_#in~map.offset|))) (or (forall ((|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8| Int)) (= (select (select |#memory_$Pointer$#6.base| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base_BEFORE_CALL_8|) 0) 0)) (and (or (= (select (select |#memory_$Pointer$#6.base| 0) |aws_hash_table_is_valid_#in~map.offset|) 0) |aws_hash_table_is_valid_#t~short1491|) (= |aws_hash_table_is_valid_#in~map.base| 0) (= aws_hash_table_is_valid_~map.base 0) .cse0) (and .cse0 (= |aws_hash_table_is_valid_#in~map.base| aws_hash_table_is_valid_~map.base) |aws_hash_table_is_valid_#t~short1488| |aws_hash_table_is_valid_#t~short1491| (or (exists ((v_subst_4 Int) (v_subst_3 Int)) (let ((.cse1 (select (select |#memory_$Pointer$#6.base| v_subst_3) v_subst_4))) (and (= |aws_hash_table_is_valid_#t~mem1489.base| .cse1) (not (= .cse1 0)) (= |aws_hash_table_is_valid_#t~mem1489.offset| (select (select |#memory_$Pointer$#6.offset| v_subst_3) v_subst_4))))) (exists ((v_subst_2 Int) (v_subst_1 Int)) (let ((.cse2 (select (select |#memory_$Pointer$#6.offset| v_subst_1) v_subst_2))) (and (= |aws_hash_table_is_valid_#t~mem1489.base| (select (select |#memory_$Pointer$#6.base| v_subst_1) v_subst_2)) (= |aws_hash_table_is_valid_#t~mem1489.offset| .cse2) (not (= 0 .cse2))))))) .cse3 (and .cse4 .cse5))) (or (not .cse4) (forall ((|v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1| Int)) (or (= (select (select |#memory_$Pointer$#6.base| (select (select |#memory_$Pointer$#5.base| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1|) 0)) 0) 0) (not (= (select (select |#memory_$Pointer$#5.offset| |v_ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base_BEFORE_CALL_1|) 0) 0)))) (not .cse5) .cse3))) [2023-11-29 01:07:19,691 INFO L899 garLoopResultBuilder]: For program point L9956-5(line 9956) no Hoare annotation was computed. [2023-11-29 01:07:19,691 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 9954 9957) no Hoare annotation was computed. [2023-11-29 01:07:19,691 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9954 9957) the Hoare annotation is: true [2023-11-29 01:07:19,691 INFO L899 garLoopResultBuilder]: For program point L9956(line 9956) no Hoare annotation was computed. [2023-11-29 01:07:19,691 INFO L899 garLoopResultBuilder]: For program point L9956-2(line 9956) no Hoare annotation was computed. [2023-11-29 01:07:19,692 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-29 01:07:19,692 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-29 01:07:19,692 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2023-11-29 01:07:19,692 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 256) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,692 INFO L899 garLoopResultBuilder]: For program point L2630-5(line 2630) no Hoare annotation was computed. [2023-11-29 01:07:19,692 INFO L899 garLoopResultBuilder]: For program point L2630-7(line 2630) no Hoare annotation was computed. [2023-11-29 01:07:19,692 INFO L899 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2023-11-29 01:07:19,692 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2626 2631) the Hoare annotation is: true [2023-11-29 01:07:19,692 INFO L899 garLoopResultBuilder]: For program point L2630(line 2630) no Hoare annotation was computed. [2023-11-29 01:07:19,692 INFO L899 garLoopResultBuilder]: For program point L2630-1(line 2630) no Hoare annotation was computed. [2023-11-29 01:07:19,693 INFO L899 garLoopResultBuilder]: For program point L2630-3(line 2630) no Hoare annotation was computed. [2023-11-29 01:07:19,693 INFO L895 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: (or (and (= |#memory_int#8| |old(#memory_int#8)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#8.base)| |#memory_$Pointer$#8.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_$Pointer$#8.offset| |old(#memory_$Pointer$#8.offset)|) (= |#memory_real#8| |old(#memory_real#8)|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,693 INFO L899 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2023-11-29 01:07:19,693 INFO L895 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,693 INFO L899 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2023-11-29 01:07:19,693 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2613 2621) the Hoare annotation is: (or (and (= |#memory_int#8| |old(#memory_int#8)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#8.base)| |#memory_$Pointer$#8.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_$Pointer$#8.offset| |old(#memory_$Pointer$#8.offset)|) (= |#memory_real#8| |old(#memory_real#8)|) (= |old(#valid)| |#valid|)) (< |#StackHeapBarrier| 1)) [2023-11-29 01:07:19,693 INFO L899 garLoopResultBuilder]: For program point aws_add_u64_checked_returnLabel#1(lines 2541 2546) no Hoare annotation was computed. [2023-11-29 01:07:19,693 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2023-11-29 01:07:19,693 INFO L895 garLoopResultBuilder]: At program point L10098(line 10098) the Hoare annotation is: false [2023-11-29 01:07:19,693 INFO L899 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2023-11-29 01:07:19,694 INFO L895 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-29 01:07:19,694 INFO L895 garLoopResultBuilder]: At program point L6799-1(line 6799) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-29 01:07:19,694 INFO L895 garLoopResultBuilder]: At program point L10094-1(line 10094) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#5.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) 0) 0) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (not (= (select (select |#memory_$Pointer$#6.base| (select (select |#memory_$Pointer$#5.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) 0)) 0) 0)) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= 0 |ULTIMATE.start_aws_hash_iter_delete_harness_#t~ret1548#1|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.offset| 0)) [2023-11-29 01:07:19,694 INFO L895 garLoopResultBuilder]: At program point L6799(line 6799) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-29 01:07:19,694 INFO L899 garLoopResultBuilder]: For program point L10094-2(line 10094) no Hoare annotation was computed. [2023-11-29 01:07:19,694 INFO L899 garLoopResultBuilder]: For program point L6803-3(line 6803) no Hoare annotation was computed. [2023-11-29 01:07:19,694 INFO L895 garLoopResultBuilder]: At program point L6803-2(line 6803) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-29 01:07:19,694 INFO L895 garLoopResultBuilder]: At program point L10098-1(line 10098) the Hoare annotation is: false [2023-11-29 01:07:19,694 INFO L899 garLoopResultBuilder]: For program point L6828-1(line 6828) no Hoare annotation was computed. [2023-11-29 01:07:19,694 INFO L899 garLoopResultBuilder]: For program point L10098-2(line 10098) no Hoare annotation was computed. [2023-11-29 01:07:19,695 INFO L895 garLoopResultBuilder]: At program point L6828(line 6828) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0)) [2023-11-29 01:07:19,695 INFO L895 garLoopResultBuilder]: At program point L10094(line 10094) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#5.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) 0) 0) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| (select (select |#memory_$Pointer$#5.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) 0)) 0) 0)) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (<= 2 |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.offset| 0)) [2023-11-29 01:07:19,695 INFO L895 garLoopResultBuilder]: At program point L10086-2(line 10086) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0)) [2023-11-29 01:07:19,695 INFO L899 garLoopResultBuilder]: For program point L10086-3(line 10086) no Hoare annotation was computed. [2023-11-29 01:07:19,695 INFO L899 garLoopResultBuilder]: For program point L10086(line 10086) no Hoare annotation was computed. [2023-11-29 01:07:19,695 INFO L899 garLoopResultBuilder]: For program point L6804-1(line 6804) no Hoare annotation was computed. [2023-11-29 01:07:19,695 INFO L895 garLoopResultBuilder]: At program point L6804(line 6804) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-29 01:07:19,695 INFO L899 garLoopResultBuilder]: For program point L6800-1(line 6800) no Hoare annotation was computed. [2023-11-29 01:07:19,695 INFO L895 garLoopResultBuilder]: At program point L6800(line 6800) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-29 01:07:19,696 INFO L899 garLoopResultBuilder]: For program point L6829-1(line 6829) no Hoare annotation was computed. [2023-11-29 01:07:19,696 INFO L895 garLoopResultBuilder]: At program point L6829(line 6829) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0)) [2023-11-29 01:07:19,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,696 INFO L895 garLoopResultBuilder]: At program point L10096(line 10096) the Hoare annotation is: false [2023-11-29 01:07:19,696 INFO L895 garLoopResultBuilder]: At program point L10096-1(line 10096) the Hoare annotation is: false [2023-11-29 01:07:19,696 INFO L899 garLoopResultBuilder]: For program point L10096-2(line 10096) no Hoare annotation was computed. [2023-11-29 01:07:19,696 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:07:19,696 INFO L895 garLoopResultBuilder]: At program point L10084(line 10084) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0)) [2023-11-29 01:07:19,696 INFO L895 garLoopResultBuilder]: At program point L10084-1(line 10084) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0)) [2023-11-29 01:07:19,696 INFO L899 garLoopResultBuilder]: For program point L10084-2(line 10084) no Hoare annotation was computed. [2023-11-29 01:07:19,697 INFO L895 garLoopResultBuilder]: At program point L10088(line 10088) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0)) [2023-11-29 01:07:19,697 INFO L899 garLoopResultBuilder]: For program point L10088-1(line 10088) no Hoare annotation was computed. [2023-11-29 01:07:19,697 INFO L895 garLoopResultBuilder]: At program point L6798(line 6798) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base|)) [2023-11-29 01:07:19,697 INFO L895 garLoopResultBuilder]: At program point L10093(line 10093) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#5.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) 0) 0) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| (select (select |#memory_$Pointer$#5.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) 0)) 0) 0)) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (<= 2 |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.base|) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#iter~2#1.offset| 0)) [2023-11-29 01:07:19,697 INFO L899 garLoopResultBuilder]: For program point L10093-1(line 10093) no Hoare annotation was computed. [2023-11-29 01:07:19,697 INFO L899 garLoopResultBuilder]: For program point L6827-1(line 6827) no Hoare annotation was computed. [2023-11-29 01:07:19,697 INFO L895 garLoopResultBuilder]: At program point L10097(line 10097) the Hoare annotation is: false [2023-11-29 01:07:19,697 INFO L895 garLoopResultBuilder]: At program point L6827(line 6827) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0)) [2023-11-29 01:07:19,697 INFO L899 garLoopResultBuilder]: For program point L10097-1(line 10097) no Hoare annotation was computed. [2023-11-29 01:07:19,697 INFO L899 garLoopResultBuilder]: For program point L6798-1(line 6798) no Hoare annotation was computed. [2023-11-29 01:07:19,697 INFO L899 garLoopResultBuilder]: For program point L10085(line 10085) no Hoare annotation was computed. [2023-11-29 01:07:19,698 INFO L895 garLoopResultBuilder]: At program point L10085-2(line 10085) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base| 0)) (= (select (select |#memory_$Pointer$#6.offset| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0) (<= 1 |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$#6.base| |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.base|) 0) 0)) (= |ULTIMATE.start_aws_hash_iter_delete_harness_~#map~0#1.offset| 0)) [2023-11-29 01:07:19,698 INFO L899 garLoopResultBuilder]: For program point L10085-3(line 10085) no Hoare annotation was computed. [2023-11-29 01:07:19,700 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:07:19,701 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:07:19,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:07:19 BoogieIcfgContainer [2023-11-29 01:07:19,708 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:07:19,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:07:19,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:07:19,708 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:07:19,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:03:27" (3/4) ... [2023-11-29 01:07:19,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:07:19,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-29 01:07:19,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2023-11-29 01:07:19,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_remove_entry [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_is_valid [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2023-11-29 01:07:19,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_delete [2023-11-29 01:07:19,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-29 01:07:19,741 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 170 nodes and edges [2023-11-29 01:07:19,743 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2023-11-29 01:07:19,745 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-29 01:07:19,747 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-29 01:07:19,749 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 01:07:19,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 01:07:19,752 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 01:07:19,754 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:07:20,454 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:07:20,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:07:20,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:07:20,456 INFO L158 Benchmark]: Toolchain (without parser) took 237782.18ms. Allocated memory was 161.5MB in the beginning and 488.6MB in the end (delta: 327.2MB). Free memory was 115.5MB in the beginning and 401.0MB in the end (delta: -285.6MB). Peak memory consumption was 248.5MB. Max. memory is 16.1GB. [2023-11-29 01:07:20,456 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:07:20,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3001.03ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 115.1MB in the beginning and 128.2MB in the end (delta: -13.1MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-11-29 01:07:20,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.50ms. Allocated memory is still 224.4MB. Free memory was 128.2MB in the beginning and 115.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:07:20,457 INFO L158 Benchmark]: Boogie Preprocessor took 188.51ms. Allocated memory is still 224.4MB. Free memory was 115.6MB in the beginning and 95.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 01:07:20,457 INFO L158 Benchmark]: RCFGBuilder took 1570.55ms. Allocated memory is still 224.4MB. Free memory was 95.6MB in the beginning and 94.0MB in the end (delta: 1.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-29 01:07:20,458 INFO L158 Benchmark]: TraceAbstraction took 232080.56ms. Allocated memory was 224.4MB in the beginning and 488.6MB in the end (delta: 264.2MB). Free memory was 93.0MB in the beginning and 324.8MB in the end (delta: -231.8MB). Peak memory consumption was 239.0MB. Max. memory is 16.1GB. [2023-11-29 01:07:20,458 INFO L158 Benchmark]: Witness Printer took 746.73ms. Allocated memory is still 488.6MB. Free memory was 324.8MB in the beginning and 401.0MB in the end (delta: -76.2MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2023-11-29 01:07:20,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3001.03ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 115.1MB in the beginning and 128.2MB in the end (delta: -13.1MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.50ms. Allocated memory is still 224.4MB. Free memory was 128.2MB in the beginning and 115.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.51ms. Allocated memory is still 224.4MB. Free memory was 115.6MB in the beginning and 95.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1570.55ms. Allocated memory is still 224.4MB. Free memory was 95.6MB in the beginning and 94.0MB in the end (delta: 1.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * TraceAbstraction took 232080.56ms. Allocated memory was 224.4MB in the beginning and 488.6MB in the end (delta: 264.2MB). Free memory was 93.0MB in the beginning and 324.8MB in the end (delta: -231.8MB). Peak memory consumption was 239.0MB. Max. memory is 16.1GB. * Witness Printer took 746.73ms. Allocated memory is still 488.6MB. Free memory was 324.8MB in the beginning and 401.0MB in the end (delta: -76.2MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7526]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 232.0s, OverallIterations: 12, TraceHistogramMax: 19, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 130.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 53.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 mSolverCounterUnknown, 2727 SdHoareTripleChecker+Valid, 124.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2601 mSDsluCounter, 11070 SdHoareTripleChecker+Invalid, 121.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 283 IncrementalHoareTripleChecker+Unchecked, 9084 mSDsCounter, 1242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19692 IncrementalHoareTripleChecker+Invalid, 21239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1242 mSolverCounterUnsat, 1986 mSDtfsCounter, 19692 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4227 GetRequests, 3865 SyntacticMatches, 33 SemanticMatches, 329 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2290 ImplicationChecksByTransitivity, 23.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=611occurred in iteration=11, InterpolantAutomatonStates: 167, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 76 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 845 PreInvPairs, 878 NumberOfFragments, 1024 HoareAnnotationTreeSize, 845 FomulaSimplifications, 1288 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 76 FomulaSimplificationsInter, 3403 FormulaSimplificationTreeSizeReductionInter, 53.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 38.6s InterpolantComputationTime, 4509 NumberOfCodeBlocks, 4117 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 5421 ConstructedInterpolants, 113 QuantifiedInterpolants, 13263 SizeOfPredicates, 78 NumberOfNonLiveVariables, 24611 ConjunctsInSsa, 235 ConjunctsInUnsatCore, 25 InterpolantComputations, 8 PerfectInterpolantSequences, 18086/18260 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 9110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9605]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 01:07:20,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4891101-bee5-44ca-861d-9362c6e2c34a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE