./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC --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 c9f60659fbb0886b2c3c86084c4cc81dbedd027936fc1dda43226ecbc4710056 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:45,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:45,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:03:45,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:45,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:45,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:45,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:45,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:45,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:45,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:45,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:45,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:45,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:45,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:45,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:45,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:45,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:45,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:45,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:45,333 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:45,333 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:45,334 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:45,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:45,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:45,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:45,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:45,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:45,337 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:45,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:45,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:45,339 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_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9f60659fbb0886b2c3c86084c4cc81dbedd027936fc1dda43226ecbc4710056 [2023-11-23 20:03:45,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:45,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:45,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:45,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:45,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:45,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/aws-c-common/aws_array_eq_harness.i [2023-11-23 20:03:48,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:49,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:49,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/sv-benchmarks/c/aws-c-common/aws_array_eq_harness.i [2023-11-23 20:03:49,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/data/d78049cc0/da0530f75f564b83ad426afc7b7814bd/FLAG73372cae6 [2023-11-23 20:03:49,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/data/d78049cc0/da0530f75f564b83ad426afc7b7814bd [2023-11-23 20:03:49,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:49,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:49,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:49,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:49,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:49,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:49" (1/1) ... [2023-11-23 20:03:49,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c37e7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:49, skipping insertion in model container [2023-11-23 20:03:49,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:49" (1/1) ... [2023-11-23 20:03:49,769 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:50,111 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/sv-benchmarks/c/aws-c-common/aws_array_eq_harness.i[4486,4499] [2023-11-23 20:03:50,121 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_8feb5262-9036-4d63-8f34-a877c65bf83e/sv-benchmarks/c/aws-c-common/aws_array_eq_harness.i[4546,4559] [2023-11-23 20:03:51,648 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:51,650 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:51,650 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:51,651 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:51,652 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:51,676 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:51,677 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:51,679 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:51,680 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,107 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:03:52,108 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:03:52,109 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:03:52,111 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:03:52,112 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:03:52,113 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:03:52,114 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:03:52,115 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:03:52,115 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:03:52,116 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:03:52,408 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,412 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:52,605 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:52,631 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_8feb5262-9036-4d63-8f34-a877c65bf83e/sv-benchmarks/c/aws-c-common/aws_array_eq_harness.i[4486,4499] [2023-11-23 20:03:52,631 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_8feb5262-9036-4d63-8f34-a877c65bf83e/sv-benchmarks/c/aws-c-common/aws_array_eq_harness.i[4546,4559] [2023-11-23 20:03:52,687 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,687 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,687 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,688 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,689 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,708 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,709 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,710 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,710 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,768 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:03:52,769 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:03:52,770 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:03:52,771 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:03:52,776 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:03:52,776 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:03:52,777 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:03:52,777 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:03:52,778 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:03:52,779 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:03:52,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2023-11-23 20:03:52,903 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,904 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:03:52,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2023-11-23 20:03:52,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:53,260 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,260 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,260 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,260 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,261 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,261 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,261 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,261 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,263 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,263 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,263 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,263 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,264 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,264 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,264 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,264 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,265 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,265 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,274 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:53,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53 WrapperNode [2023-11-23 20:03:53,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:53,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:53,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:53,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:53,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,499 INFO L138 Inliner]: procedures = 690, calls = 2619, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 792 [2023-11-23 20:03:53,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:53,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:53,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:53,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:53,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:53,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:53,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:53,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:53,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:53,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:53,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:53,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb5262-9036-4d63-8f34-a877c65bf83e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:03:53,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:03:53,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2023-11-23 20:03:53,699 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2023-11-23 20:03:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:53,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:03:53,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:03:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-23 20:03:53,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-23 20:03:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-23 20:03:53,701 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-23 20:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:03:53,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2023-11-23 20:03:53,703 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2023-11-23 20:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 20:03:53,703 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 20:03:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:03:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:03:54,060 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:54,062 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:55,272 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:55,442 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:55,442 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:03:55,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:55 BoogieIcfgContainer [2023-11-23 20:03:55,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:55,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:55,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:55,456 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:55,456 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:55" (1/1) ... [2023-11-23 20:03:55,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:55,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 74 states and 98 transitions. [2023-11-23 20:03:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 98 transitions. [2023-11-23 20:03:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:03:55,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:55,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2023-11-23 20:04:00,051 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-11-23 20:04:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:00,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:00,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2023-11-23 20:04:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-11-23 20:04:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:02,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:02,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2023-11-23 20:04:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-11-23 20:04:04,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:04,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:04,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:04:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2023-11-23 20:04:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2023-11-23 20:04:08,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:08,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:08,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2023-11-23 20:04:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2023-11-23 20:04:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:10,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:10,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2023-11-23 20:04:12,613 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2023-11-23 20:04:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:12,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:12,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2023-11-23 20:04:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2023-11-23 20:04:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:14,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:14,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:16,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2023-11-23 20:04:16,400 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2023-11-23 20:04:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:16,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:16,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2023-11-23 20:04:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2023-11-23 20:04:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:18,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:18,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2023-11-23 20:04:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2023-11-23 20:04:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:20,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:21,904 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2023-11-23 20:04:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2023-11-23 20:04:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:22,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:22,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2023-11-23 20:04:24,196 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2023-11-23 20:04:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:24,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:24,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2023-11-23 20:04:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2023-11-23 20:04:25,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:25,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:25,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2023-11-23 20:04:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2023-11-23 20:04:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:27,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:04:28,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:28,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2023-11-23 20:04:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2023-11-23 20:04:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:04:28,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:28,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms