./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.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_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi --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 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:56,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:56,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:17:56,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:56,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:57,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:57,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:57,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:57,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:57,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:57,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:57,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:57,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:57,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:57,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:57,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:57,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:57,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:57,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:57,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:57,036 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:57,036 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:57,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:57,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:57,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:57,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:57,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:57,039 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:57,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:57,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:57,042 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_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d [2023-11-24 22:17:57,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:57,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:57,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:57,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:57,427 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:57,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2023-11-24 22:18:00,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:01,234 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:01,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2023-11-24 22:18:01,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/data/35d8bb2fc/a6ffb106446545f19838c57337de88f2/FLAGa3ff7a9ca [2023-11-24 22:18:01,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/data/35d8bb2fc/a6ffb106446545f19838c57337de88f2 [2023-11-24 22:18:01,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:01,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:01,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:01,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:01,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:01,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67876b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01, skipping insertion in model container [2023-11-24 22:18:01,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:01,731 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_5c4a884b-721a-4700-af98-8714885375f6/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2023-11-24 22:18:01,740 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_5c4a884b-721a-4700-af98-8714885375f6/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2023-11-24 22:18:02,862 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,863 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,864 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,865 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,867 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,883 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,884 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,887 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,888 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,891 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,892 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,893 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:02,894 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,412 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 22:18:03,413 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 22:18:03,415 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 22:18:03,416 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 22:18:03,418 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 22:18:03,419 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 22:18:03,420 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 22:18:03,421 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 22:18:03,422 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 22:18:03,423 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 22:18:03,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:03,852 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:03,888 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_5c4a884b-721a-4700-af98-8714885375f6/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2023-11-24 22:18:03,892 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_5c4a884b-721a-4700-af98-8714885375f6/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2023-11-24 22:18:03,936 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,937 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,938 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,938 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,939 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,950 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,951 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,953 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,953 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,955 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,955 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,956 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,956 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:18:03,999 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 22:18:04,000 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 22:18:04,001 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 22:18:04,002 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 22:18:04,003 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 22:18:04,004 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 22:18:04,005 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 22:18:04,006 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 22:18:04,006 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 22:18:04,007 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 22:18:04,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:04,301 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,301 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,301 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,301 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,302 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,302 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,302 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,302 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,302 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,303 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,303 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,303 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,303 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,303 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,304 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:04,313 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:04,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04 WrapperNode [2023-11-24 22:18:04,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:04,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:04,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:04,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:04,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,471 INFO L138 Inliner]: procedures = 678, calls = 1048, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 76 [2023-11-24 22:18:04,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:04,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:04,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:04,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:04,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:04,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:04,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:04,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:04,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:04,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:04,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:04,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4a884b-721a-4700-af98-8714885375f6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:18:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:18:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:18:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2023-11-24 22:18:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2023-11-24 22:18:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:18:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:18:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:18:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:18:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:18:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:18:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2023-11-24 22:18:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2023-11-24 22:18:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:05,011 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:05,015 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:05,311 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:05,427 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:05,427 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:18:05,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:05 BoogieIcfgContainer [2023-11-24 22:18:05,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:05,430 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:05,430 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:05,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:05,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:05" (1/1) ... [2023-11-24 22:18:05,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2023-11-24 22:18:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2023-11-24 22:18:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:05,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:05,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 76 transitions. [2023-11-24 22:18:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:09,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:09,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 76 transitions. [2023-11-24 22:18:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:11,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:11,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:13,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:18:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:13,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 76 transitions. [2023-11-24 22:18:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:13,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:13,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:15,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 76 transitions. [2023-11-24 22:18:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:15,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:15,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:17,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:17,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:19,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:19,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:20,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:20,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:22,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:22,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:24,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:25,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:25,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:26,840 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:26,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:26,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:28,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:29,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:29,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:29,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:30,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:30,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:31,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:31,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:32,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:32,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:32,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:33,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:33,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:35,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:35,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:36,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:36,582 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:36,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:36,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:36,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:37,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:37,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:38,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:38,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:38,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:38,568 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:38,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:38,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:38,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:39,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:39,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:39,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:40,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 76 transitions. [2023-11-24 22:18:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:18:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:40,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:40,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat