./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:07,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:07,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:47:07,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:07,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:07,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:07,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:07,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:07,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:07,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:07,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:07,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:07,247 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:07,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:07,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:07,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:07,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:07,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:07,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:07,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:07,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:07,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:07,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:07,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:07,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:07,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:07,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:07,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:07,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:07,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:07,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:07,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:07,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:07,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:07,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:07,260 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:07,260 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 [2023-11-19 07:47:07,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:07,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:07,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:07,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:07,598 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:07,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2023-11-19 07:47:10,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:11,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:11,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2023-11-19 07:47:11,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/data/3177bb018/9a2a472346f2461886c88e04b2ee6ae8/FLAG843e3e4c2 [2023-11-19 07:47:11,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/data/3177bb018/9a2a472346f2461886c88e04b2ee6ae8 [2023-11-19 07:47:11,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:11,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:11,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:11,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:11,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:11,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:11" (1/1) ... [2023-11-19 07:47:11,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f34a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:11, skipping insertion in model container [2023-11-19 07:47:11,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:11" (1/1) ... [2023-11-19 07:47:11,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:12,089 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_9e24de79-0aa6-47b6-bf28-9e4028c271a0/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2023-11-19 07:47:12,099 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_9e24de79-0aa6-47b6-bf28-9e4028c271a0/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2023-11-19 07:47:13,547 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:13,548 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:13,549 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:13,550 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:13,551 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:13,571 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:13,572 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:13,574 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:13,575 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,155 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 07:47:14,156 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 07:47:14,158 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 07:47:14,159 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 07:47:14,162 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 07:47:14,163 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 07:47:14,164 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 07:47:14,165 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 07:47:14,165 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 07:47:14,166 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 07:47:14,583 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,584 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,935 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,936 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,969 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,970 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,979 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,980 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,998 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:14,999 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,000 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,000 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,001 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,001 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,002 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:15,144 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:15,157 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_9e24de79-0aa6-47b6-bf28-9e4028c271a0/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2023-11-19 07:47:15,158 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_9e24de79-0aa6-47b6-bf28-9e4028c271a0/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2023-11-19 07:47:15,195 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,196 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,197 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,197 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,198 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,208 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,209 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,210 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,210 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,242 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 07:47:15,243 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 07:47:15,244 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 07:47:15,245 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 07:47:15,246 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 07:47:15,247 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 07:47:15,247 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 07:47:15,248 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 07:47:15,248 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 07:47:15,249 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 07:47:15,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2023-11-19 07:47:15,326 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,327 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,420 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,421 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,436 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,437 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,442 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,442 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,456 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,458 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,459 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,459 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,461 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,461 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,462 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:47:15,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:15,913 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,913 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,913 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,913 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,913 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,914 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,914 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,914 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,914 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,914 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,914 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,915 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,915 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,915 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,915 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,915 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,915 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,916 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,916 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:15,924 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:15,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15 WrapperNode [2023-11-19 07:47:15,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:15,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:15,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:15,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:15,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,220 INFO L138 Inliner]: procedures = 766, calls = 3259, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 398 [2023-11-19 07:47:16,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:16,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:16,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:16,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:16,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:16,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:16,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:16,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:16,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (1/1) ... [2023-11-19 07:47:16,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:16,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:16,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-19 07:47:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-19 07:47:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-19 07:47:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-19 07:47:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:47:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-19 07:47:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-19 07:47:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:47:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:47:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:47:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:16,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:47:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-19 07:47:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-19 07:47:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2023-11-19 07:47:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2023-11-19 07:47:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:47:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-19 07:47:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-19 07:47:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-19 07:47:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-19 07:47:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2023-11-19 07:47:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2023-11-19 07:47:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:16,753 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:16,755 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:17,319 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2023-11-19 07:47:17,354 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:17,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:17,368 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:47:17,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17 BoogieIcfgContainer [2023-11-19 07:47:17,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:17,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:17,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:17,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:17,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:11" (1/3) ... [2023-11-19 07:47:17,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a24c74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:17, skipping insertion in model container [2023-11-19 07:47:17,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:15" (2/3) ... [2023-11-19 07:47:17,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a24c74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:17, skipping insertion in model container [2023-11-19 07:47:17,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17" (3/3) ... [2023-11-19 07:47:17,388 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2023-11-19 07:47:17,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:17,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:17,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:17,484 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@557901ec, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:17,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 07:47:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 07:47:17,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:17,507 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:17,508 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:17,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:17,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1707101443, now seen corresponding path program 1 times [2023-11-19 07:47:17,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:17,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905771639] [2023-11-19 07:47:17,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:17,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:47:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:47:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:47:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-19 07:47:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:47:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:47:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:47:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:47:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:47:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 07:47:18,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:18,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905771639] [2023-11-19 07:47:18,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905771639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:18,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:18,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:18,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355863618] [2023-11-19 07:47:18,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:18,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:18,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:18,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:18,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:18,577 INFO L87 Difference]: Start difference. First operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:47:18,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:18,861 INFO L93 Difference]: Finished difference Result 217 states and 299 transitions. [2023-11-19 07:47:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:18,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2023-11-19 07:47:18,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:18,877 INFO L225 Difference]: With dead ends: 217 [2023-11-19 07:47:18,877 INFO L226 Difference]: Without dead ends: 104 [2023-11-19 07:47:18,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:18,891 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 70 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:18,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 150 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:47:18,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-19 07:47:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-19 07:47:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 07:47:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2023-11-19 07:47:18,972 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 93 [2023-11-19 07:47:18,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:18,974 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2023-11-19 07:47:18,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:47:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2023-11-19 07:47:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 07:47:18,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:18,987 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:18,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:47:18,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:18,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:18,989 INFO L85 PathProgramCache]: Analyzing trace with hash 566240687, now seen corresponding path program 1 times [2023-11-19 07:47:18,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:18,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473942209] [2023-11-19 07:47:18,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:18,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:19,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:47:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:47:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:47:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-19 07:47:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:47:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:47:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:47:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:47:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:47:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-19 07:47:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 07:47:20,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:20,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473942209] [2023-11-19 07:47:20,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473942209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:20,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:20,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-19 07:47:20,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943240571] [2023-11-19 07:47:20,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:20,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 07:47:20,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:20,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 07:47:20,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:47:20,542 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) [2023-11-19 07:47:21,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:21,257 INFO L93 Difference]: Finished difference Result 164 states and 207 transitions. [2023-11-19 07:47:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:47:21,258 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 96 [2023-11-19 07:47:21,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:21,261 INFO L225 Difference]: With dead ends: 164 [2023-11-19 07:47:21,261 INFO L226 Difference]: Without dead ends: 104 [2023-11-19 07:47:21,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:47:21,264 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 124 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:21,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 611 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:47:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-19 07:47:21,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-19 07:47:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 66 states have internal predecessors, (76), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 07:47:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2023-11-19 07:47:21,280 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 96 [2023-11-19 07:47:21,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:21,281 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2023-11-19 07:47:21,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) [2023-11-19 07:47:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2023-11-19 07:47:21,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 07:47:21,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:21,284 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:21,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:47:21,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:21,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:21,285 INFO L85 PathProgramCache]: Analyzing trace with hash -439606506, now seen corresponding path program 1 times [2023-11-19 07:47:21,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:21,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240929100] [2023-11-19 07:47:21,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:21,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:47:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:47:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:47:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-19 07:47:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:47:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:47:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:47:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:47:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:47:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:47:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:47:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 07:47:22,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:22,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240929100] [2023-11-19 07:47:22,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240929100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:22,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:22,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-19 07:47:22,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154091890] [2023-11-19 07:47:22,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:22,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:47:22,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:22,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:47:22,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:47:22,448 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 11 states have internal predecessors, (45), 6 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-19 07:47:23,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:23,416 INFO L93 Difference]: Finished difference Result 182 states and 236 transitions. [2023-11-19 07:47:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:47:23,417 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 11 states have internal predecessors, (45), 6 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) Word has length 105 [2023-11-19 07:47:23,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:23,421 INFO L225 Difference]: With dead ends: 182 [2023-11-19 07:47:23,421 INFO L226 Difference]: Without dead ends: 134 [2023-11-19 07:47:23,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2023-11-19 07:47:23,423 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 120 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:23,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 721 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:47:23,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-19 07:47:23,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2023-11-19 07:47:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 73 states have internal predecessors, (83), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-19 07:47:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 150 transitions. [2023-11-19 07:47:23,463 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 150 transitions. Word has length 105 [2023-11-19 07:47:23,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:23,466 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 150 transitions. [2023-11-19 07:47:23,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 11 states have internal predecessors, (45), 6 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-19 07:47:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 150 transitions. [2023-11-19 07:47:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 07:47:23,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:23,476 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:23,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:47:23,476 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:23,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:23,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2009192691, now seen corresponding path program 1 times [2023-11-19 07:47:23,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:23,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343305357] [2023-11-19 07:47:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:23,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:47:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:47:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:47:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-19 07:47:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:47:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:47:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:47:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:47:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:47:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:47:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-19 07:47:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:47:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 07:47:25,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:25,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343305357] [2023-11-19 07:47:25,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343305357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:25,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:25,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-19 07:47:25,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877902568] [2023-11-19 07:47:25,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:25,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:47:25,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:25,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:47:25,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:47:25,196 INFO L87 Difference]: Start difference. First operand 117 states and 150 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-19 07:47:26,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:26,128 INFO L93 Difference]: Finished difference Result 143 states and 178 transitions. [2023-11-19 07:47:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 07:47:26,129 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) Word has length 114 [2023-11-19 07:47:26,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:26,131 INFO L225 Difference]: With dead ends: 143 [2023-11-19 07:47:26,132 INFO L226 Difference]: Without dead ends: 117 [2023-11-19 07:47:26,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:47:26,133 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 82 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:26,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 733 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:47:26,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-19 07:47:26,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-11-19 07:47:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 73 states have internal predecessors, (82), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-19 07:47:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2023-11-19 07:47:26,152 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 114 [2023-11-19 07:47:26,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:26,153 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2023-11-19 07:47:26,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-19 07:47:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2023-11-19 07:47:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 07:47:26,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:26,156 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:26,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:47:26,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:26,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:26,157 INFO L85 PathProgramCache]: Analyzing trace with hash -658486677, now seen corresponding path program 1 times [2023-11-19 07:47:26,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:26,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247891570] [2023-11-19 07:47:26,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:26,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:26,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:27,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:27,332 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:27,334 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:47:27,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:47:27,339 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:47:27,343 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:27,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret545 could not be translated [2023-11-19 07:47:27,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret547 [2023-11-19 07:47:27,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated [2023-11-19 07:47:27,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated [2023-11-19 07:47:27,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite550 [2023-11-19 07:47:27,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2169 [2023-11-19 07:47:27,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-19 07:47:27,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-19 07:47:27,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite2172 [2023-11-19 07:47:27,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated [2023-11-19 07:47:27,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated [2023-11-19 07:47:27,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated [2023-11-19 07:47:27,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated [2023-11-19 07:47:27,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated [2023-11-19 07:47:27,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated [2023-11-19 07:47:27,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated [2023-11-19 07:47:27,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated [2023-11-19 07:47:27,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated [2023-11-19 07:47:27,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated [2023-11-19 07:47:27,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 07:47:27,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated [2023-11-19 07:47:27,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated [2023-11-19 07:47:27,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated [2023-11-19 07:47:27,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 07:47:27,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 07:47:27,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 07:47:27,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 07:47:27,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 07:47:27,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 07:47:27,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 07:47:27,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated [2023-11-19 07:47:27,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated [2023-11-19 07:47:27,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated [2023-11-19 07:47:27,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 07:47:27,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 07:47:27,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 07:47:27,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 07:47:27,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 07:47:27,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 07:47:27,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 07:47:27,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 07:47:27,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 07:47:27,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 07:47:27,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated [2023-11-19 07:47:27,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 07:47:27,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 07:47:27,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated [2023-11-19 07:47:27,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 07:47:27,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:27 BoogieIcfgContainer [2023-11-19 07:47:27,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:27,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:27,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:27,444 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:27,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17" (3/4) ... [2023-11-19 07:47:27,445 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 07:47:27,470 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret545 could not be translated [2023-11-19 07:47:27,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret547 [2023-11-19 07:47:27,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated [2023-11-19 07:47:27,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated [2023-11-19 07:47:27,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite550 [2023-11-19 07:47:27,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2169 [2023-11-19 07:47:27,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-19 07:47:27,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-19 07:47:27,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite2172 [2023-11-19 07:47:27,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated [2023-11-19 07:47:27,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated [2023-11-19 07:47:27,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated [2023-11-19 07:47:27,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated [2023-11-19 07:47:27,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated [2023-11-19 07:47:27,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated [2023-11-19 07:47:27,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated [2023-11-19 07:47:27,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated [2023-11-19 07:47:27,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated [2023-11-19 07:47:27,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated [2023-11-19 07:47:27,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 07:47:27,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated [2023-11-19 07:47:27,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated [2023-11-19 07:47:27,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated [2023-11-19 07:47:27,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 07:47:27,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 07:47:27,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 07:47:27,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 07:47:27,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 07:47:27,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 07:47:27,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 07:47:27,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated [2023-11-19 07:47:27,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated [2023-11-19 07:47:27,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated [2023-11-19 07:47:27,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated [2023-11-19 07:47:27,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated [2023-11-19 07:47:27,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 07:47:27,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 07:47:27,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 07:47:27,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 07:47:27,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 07:47:27,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 07:47:27,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 07:47:27,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 07:47:27,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 07:47:27,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 07:47:27,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 07:47:27,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated [2023-11-19 07:47:27,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated [2023-11-19 07:47:27,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 07:47:27,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 07:47:27,556 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:47:27,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:27,557 INFO L158 Benchmark]: Toolchain (without parser) took 16007.76ms. Allocated memory was 180.4MB in the beginning and 423.6MB in the end (delta: 243.3MB). Free memory was 124.6MB in the beginning and 183.3MB in the end (delta: -58.8MB). Peak memory consumption was 187.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,557 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:27,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4374.12ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 124.6MB in the beginning and 103.5MB in the end (delta: 21.1MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 295.77ms. Allocated memory is still 247.5MB. Free memory was 103.5MB in the beginning and 168.1MB in the end (delta: -64.6MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,559 INFO L158 Benchmark]: Boogie Preprocessor took 107.91ms. Allocated memory is still 247.5MB. Free memory was 168.1MB in the beginning and 162.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,559 INFO L158 Benchmark]: RCFGBuilder took 1044.71ms. Allocated memory is still 247.5MB. Free memory was 162.9MB in the beginning and 118.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,560 INFO L158 Benchmark]: TraceAbstraction took 10063.21ms. Allocated memory was 247.5MB in the beginning and 423.6MB in the end (delta: 176.2MB). Free memory was 117.8MB in the beginning and 192.7MB in the end (delta: -75.0MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,560 INFO L158 Benchmark]: Witness Printer took 113.47ms. Allocated memory is still 423.6MB. Free memory was 192.7MB in the beginning and 183.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4374.12ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 124.6MB in the beginning and 103.5MB in the end (delta: 21.1MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 295.77ms. Allocated memory is still 247.5MB. Free memory was 103.5MB in the beginning and 168.1MB in the end (delta: -64.6MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.91ms. Allocated memory is still 247.5MB. Free memory was 168.1MB in the beginning and 162.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1044.71ms. Allocated memory is still 247.5MB. Free memory was 162.9MB in the beginning and 118.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10063.21ms. Allocated memory was 247.5MB in the beginning and 423.6MB in the end (delta: 176.2MB). Free memory was 117.8MB in the beginning and 192.7MB in the end (delta: -75.0MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. * Witness Printer took 113.47ms. Allocated memory is still 423.6MB. Free memory was 192.7MB in the beginning and 183.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8223]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret545 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret547 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite550 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret2169 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite2172 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret545 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret547 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite550 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret2169 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite2172 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem473 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem470 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short474 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6867-L6872] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7602-L7614] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11294] CALL aws_hash_callback_string_eq_harness() [L11284] CALL, EXPR ensure_string_is_allocated_bounded_length(96) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6802] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L266] return __VERIFIER_nondet_ulong(); [L6802] RET, EXPR nondet_uint64_t() VAL [\old(max_size)=96, max_size=96, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6802] size_t len = nondet_uint64_t(); [L6803] CALL assume_abort_if_not(len < max_size) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6803] RET assume_abort_if_not(len < max_size) VAL [\old(max_size)=96, len=0, max_size=96, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6804] CALL, EXPR ensure_string_is_allocated(len) [L6808] CALL, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(size)=17, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6884-L6886] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6884-L6886] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=17, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, size=17] [L6887] return malloc(size); [L6808] RET, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6808] struct aws_string *str = bounded_malloc(sizeof(struct aws_string) + len + 1); [L6811] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L261] return __VERIFIER_nondet_bool(); [L6811] RET, EXPR nondet_bool() VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6811-L6812] EXPR nondet_bool() ? can_fail_allocator() : ((void *)0) VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6811-L6812] *(struct aws_allocator **)(&str->allocator) = nondet_bool() ? can_fail_allocator() : ((void *)0) [L6814] *(size_t *)(&str->len) = len [L6815] *(uint8_t *)&str->bytes[len] = '\0' [L6816] return str; VAL [\old(len)=0, \result={-2:0}, len=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6804] RET, EXPR ensure_string_is_allocated(len) [L6804] return ensure_string_is_allocated(len); [L11284] RET, EXPR ensure_string_is_allocated_bounded_length(96) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11284] const struct aws_string *str1 = ensure_string_is_allocated_bounded_length(96); [L11285] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L261] return __VERIFIER_nondet_bool(); [L11285] RET, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str1={-2:0}] [L11285] EXPR nondet_bool() ? str1 : ensure_string_is_allocated_bounded_length(96) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str1={-2:0}] [L11285] const struct aws_string *str2 = nondet_bool() ? str1 : ensure_string_is_allocated_bounded_length(96); [L11288] CALL aws_hash_callback_string_eq(str1, str2) [L10771] CALL, EXPR aws_string_is_valid(a) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str->len [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] EXPR str->len [L6245] EXPR str->bytes[str->len] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L6245] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L10771] RET, EXPR aws_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10771] CALL assume_abort_if_not((aws_string_is_valid(a))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10771] RET assume_abort_if_not((aws_string_is_valid(a))) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10772] CALL, EXPR aws_string_is_valid(b) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str->len [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] EXPR str->len [L6245] EXPR str->bytes[str->len] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L6245] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L10772] RET, EXPR aws_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10772] CALL assume_abort_if_not((aws_string_is_valid(b))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10772] RET assume_abort_if_not((aws_string_is_valid(b))) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10775] CALL, EXPR aws_string_eq(a, b) [L11024] EXPR !a || aws_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11024] CALL, EXPR aws_string_is_valid(a) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str->len [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] EXPR str->len [L6245] EXPR str->bytes[str->len] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L6245] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L11024] RET, EXPR aws_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11024] EXPR !a || aws_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11024] CALL assume_abort_if_not((!a || aws_string_is_valid(a))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11024] RET assume_abort_if_not((!a || aws_string_is_valid(a))) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] EXPR !b || aws_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] CALL, EXPR aws_string_is_valid(b) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str->len [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] EXPR str->len [L6245] EXPR str->bytes[str->len] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L6245] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L11025] RET, EXPR aws_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] EXPR !b || aws_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] CALL assume_abort_if_not((!b || aws_string_is_valid(b))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] RET assume_abort_if_not((!b || aws_string_is_valid(b))) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11026] COND TRUE a == b [L11027-L11029] return 1 ; VAL [\result=1, a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10775] RET, EXPR aws_string_eq(a, b) [L10774-L10775] _Bool rval = aws_string_eq(a, b); [L10776] CALL, EXPR aws_c_string_is_valid(a) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6260] return str && ((((1)) == 0) || ((str))); VAL [\result=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L10776] RET, EXPR aws_c_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10776] EXPR aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10776] CALL, EXPR aws_c_string_is_valid(b) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6260] return str && ((((1)) == 0) || ((str))); VAL [\result=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}, str={-2:0}] [L10776] RET, EXPR aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10776] EXPR aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10776] CALL __VERIFIER_assert(!((aws_c_string_is_valid(a) && aws_c_string_is_valid(b)))) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 445 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 396 mSDsluCounter, 2215 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1881 mSDsCounter, 242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2482 IncrementalHoareTripleChecker+Invalid, 2724 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 242 mSolverCounterUnsat, 334 mSDtfsCounter, 2482 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 527 NumberOfCodeBlocks, 527 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 329/329 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:47:27,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e24de79-0aa6-47b6-bf28-9e4028c271a0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE