./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2d9cd1fbf07c8f7717ce8cdae57eca9d2d6f93d8e8fe0dc5f3196ac4db1f48e1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:40,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:40,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:43:40,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:40,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:40,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:40,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:40,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:40,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:40,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:40,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:40,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:40,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:40,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:40,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:40,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:40,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:40,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:40,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:40,726 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:40,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:40,727 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:40,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:40,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:40,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:40,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:40,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:40,730 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:40,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:40,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:40,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d9cd1fbf07c8f7717ce8cdae57eca9d2d6f93d8e8fe0dc5f3196ac4db1f48e1 [2023-11-21 18:43:40,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:41,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:41,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:41,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:41,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:41,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2023-11-21 18:43:44,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:44,840 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:44,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2023-11-21 18:43:44,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/data/eaac0602b/3a6a8f64071b4b6b832b94e281dd6781/FLAGe1a2990b3 [2023-11-21 18:43:44,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/data/eaac0602b/3a6a8f64071b4b6b832b94e281dd6781 [2023-11-21 18:43:44,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:44,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:44,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:44,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:44,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:44,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5cde28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44, skipping insertion in model container [2023-11-21 18:43:44,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:45,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:45,310 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_ced93bd2-129b-4456-9c9a-e6df1aac5abb/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2023-11-21 18:43:45,319 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_ced93bd2-129b-4456-9c9a-e6df1aac5abb/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2023-11-21 18:43:46,500 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,502 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,503 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,520 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,526 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,527 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,528 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,528 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:46,998 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:43:46,999 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:43:47,000 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:43:47,002 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:43:47,003 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:43:47,004 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:43:47,005 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:43:47,006 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:43:47,006 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:43:47,007 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:43:47,205 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,214 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,292 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,293 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,293 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,294 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,294 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,296 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,297 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,298 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,298 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,299 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,299 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,299 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,300 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,303 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,304 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,304 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,305 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,314 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,315 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,330 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,331 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,331 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:47,400 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:47,428 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_ced93bd2-129b-4456-9c9a-e6df1aac5abb/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2023-11-21 18:43:47,429 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_ced93bd2-129b-4456-9c9a-e6df1aac5abb/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2023-11-21 18:43:47,497 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,502 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,502 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,513 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,514 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,517 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,517 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,518 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,520 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,520 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,580 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:43:47,582 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:43:47,583 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:43:47,584 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:43:47,585 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:43:47,586 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:43:47,586 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:43:47,587 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:43:47,588 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:43:47,589 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:43:47,647 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,653 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2023-11-21 18:43:47,687 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,689 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,690 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,690 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,690 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,691 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,691 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,693 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,693 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,694 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,694 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,695 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,695 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,697 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,697 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,705 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,706 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,707 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:43:47,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:47,938 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,938 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,938 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,938 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,938 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,939 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,939 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,939 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,939 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,939 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,939 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,940 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,940 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,940 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,940 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:47,948 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:47,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47 WrapperNode [2023-11-21 18:43:47,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:47,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:47,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:47,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:47,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,264 INFO L138 Inliner]: procedures = 696, calls = 1880, calls flagged for inlining = 60, calls inlined = 19, statements flattened = 1165 [2023-11-21 18:43:48,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:48,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:48,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:48,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:48,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:48,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:48,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:48,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:48,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:47" (1/1) ... [2023-11-21 18:43:48,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:48,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:48,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:48,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced93bd2-129b-4456-9c9a-e6df1aac5abb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2023-11-21 18:43:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2023-11-21 18:43:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2023-11-21 18:43:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2023-11-21 18:43:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-21 18:43:48,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-21 18:43:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-21 18:43:48,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-21 18:43:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-21 18:43:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-21 18:43:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 18:43:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 18:43:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-21 18:43:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-21 18:43:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2023-11-21 18:43:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2023-11-21 18:43:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:43:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 18:43:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 18:43:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:43:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:43:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:43:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:43:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2023-11-21 18:43:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2023-11-21 18:43:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-21 18:43:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-21 18:43:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 18:43:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 18:43:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-21 18:43:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-21 18:43:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-21 18:43:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-21 18:43:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2023-11-21 18:43:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2023-11-21 18:43:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-21 18:43:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-21 18:43:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-21 18:43:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-21 18:43:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:43:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:43:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-21 18:43:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-21 18:43:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2023-11-21 18:43:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2023-11-21 18:43:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-11-21 18:43:48,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-11-21 18:43:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-21 18:43:48,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-21 18:43:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:43:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:43:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2023-11-21 18:43:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2023-11-21 18:43:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 18:43:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 18:43:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-21 18:43:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-21 18:43:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-21 18:43:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-21 18:43:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:43:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-21 18:43:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-21 18:43:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2023-11-21 18:43:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2023-11-21 18:43:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2023-11-21 18:43:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2023-11-21 18:43:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 18:43:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 18:43:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:48,998 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:49,002 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:50,737 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:51,187 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:51,187 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 18:43:51,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:51 BoogieIcfgContainer [2023-11-21 18:43:51,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:51,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:51,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:51,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:51,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:51" (1/1) ... [2023-11-21 18:43:51,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 463 states and 672 transitions. [2023-11-21 18:43:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 672 transitions. [2023-11-21 18:43:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-21 18:43:51,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-21 18:43:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 465 states and 684 transitions. [2023-11-21 18:43:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 684 transitions. [2023-11-21 18:43:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-21 18:43:53,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:53,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-21 18:43:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 470 states and 721 transitions. [2023-11-21 18:43:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 721 transitions. [2023-11-21 18:43:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-21 18:43:54,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:54,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-11-21 18:43:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:55,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 474 states and 728 transitions. [2023-11-21 18:43:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 728 transitions. [2023-11-21 18:43:55,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-21 18:43:55,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:55,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:55,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 2569 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:55,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-21 18:43:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 477 states and 742 transitions. [2023-11-21 18:43:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 742 transitions. [2023-11-21 18:43:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-21 18:43:57,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-11-21 18:43:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 479 states and 744 transitions. [2023-11-21 18:43:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 744 transitions. [2023-11-21 18:43:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-21 18:43:57,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 2623 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:43:58,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-21 18:43:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 482 states and 749 transitions. [2023-11-21 18:43:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 749 transitions. [2023-11-21 18:43:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-21 18:43:58,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:59,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 2755 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:59,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-21 18:43:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 482 states and 747 transitions. [2023-11-21 18:43:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 747 transitions. [2023-11-21 18:43:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-21 18:43:59,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:59,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:00,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 3123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:44:00,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-11-21 18:44:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 482 states and 745 transitions. [2023-11-21 18:44:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 745 transitions. [2023-11-21 18:44:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-11-21 18:44:01,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:01,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 3491 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:44:02,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-21 18:44:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 482 states and 744 transitions. [2023-11-21 18:44:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 744 transitions. [2023-11-21 18:44:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-21 18:44:02,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 3623 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:03,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2023-11-21 18:44:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 486 states and 756 transitions. [2023-11-21 18:44:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 756 transitions. [2023-11-21 18:44:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-21 18:44:03,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 3755 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:05,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2023-11-21 18:44:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 489 states and 761 transitions. [2023-11-21 18:44:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 761 transitions. [2023-11-21 18:44:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:05,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-21 18:44:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 508 states and 792 transitions. [2023-11-21 18:44:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 792 transitions. [2023-11-21 18:44:10,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:10,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:10,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:44:11,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-21 18:44:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 508 states and 792 transitions. [2023-11-21 18:44:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 792 transitions. [2023-11-21 18:44:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:11,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:12,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:44:12,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-21 18:44:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 508 states and 792 transitions. [2023-11-21 18:44:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 792 transitions. [2023-11-21 18:44:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:13,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:13,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:14,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-21 18:44:14,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:44:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:16,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:17,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:44:17,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-21 18:44:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:17,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:17,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:18,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:44:18,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-21 18:44:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:19,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:19,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:20,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-21 18:44:20,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:44:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:20,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:20,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:21,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-21 18:44:21,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:44:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:21,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:21,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:22,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:44:22,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-21 18:44:23,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:23,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:23,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:24,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-21 18:44:24,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:24,322 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:44:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:24,370 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:24,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:24,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:25,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:44:25,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-21 18:44:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:25,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:25,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:26,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-21 18:44:26,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:44:26,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:26,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:26,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:27,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:44:27,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-21 18:44:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:28,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 509 states and 795 transitions. [2023-11-21 18:44:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 795 transitions. [2023-11-21 18:44:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-21 18:44:28,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:28,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms