./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx --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 7e3410638a547f2efce35a13c7d23c64ee660b1c493ec273ce9d4043edc218c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:51,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:51,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:23:51,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:51,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:51,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:51,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:51,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:51,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:51,224 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:51,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:51,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:51,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:51,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:51,227 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:51,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:51,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:51,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:51,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:51,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:51,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:51,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:51,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:51,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:51,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:51,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:51,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:23:51,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:51,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:51,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:51,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:51,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:51,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:51,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:23:51,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:51,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:51,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:51,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:51,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:51,262 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_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3410638a547f2efce35a13c7d23c64ee660b1c493ec273ce9d4043edc218c3 [2023-11-21 22:23:51,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:51,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:51,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:51,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:51,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:51,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i [2023-11-21 22:23:54,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:55,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:55,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i [2023-11-21 22:23:55,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/data/2f7761ac1/a55196c1697846d8b852dc09dcad43d4/FLAGda8faa889 [2023-11-21 22:23:55,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/data/2f7761ac1/a55196c1697846d8b852dc09dcad43d4 [2023-11-21 22:23:55,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:55,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:55,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:55,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:55,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:55,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:55" (1/1) ... [2023-11-21 22:23:55,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d2a890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:55, skipping insertion in model container [2023-11-21 22:23:55,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:55" (1/1) ... [2023-11-21 22:23:55,605 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:55,967 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_77ff6136-2a4a-4bb6-bf92-b313c9a66733/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2023-11-21 22:23:55,976 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_77ff6136-2a4a-4bb6-bf92-b313c9a66733/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2023-11-21 22:23:57,319 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,322 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,323 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,347 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,348 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,350 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,351 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,353 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,354 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,355 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:57,356 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,007 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 22:23:58,008 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 22:23:58,010 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 22:23:58,011 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 22:23:58,013 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 22:23:58,014 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 22:23:58,015 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 22:23:58,016 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 22:23:58,017 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 22:23:58,018 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 22:23:58,636 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,637 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,677 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,679 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,687 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,688 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,723 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,728 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,729 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,730 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,731 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,731 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,732 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:58,838 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:58,863 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_77ff6136-2a4a-4bb6-bf92-b313c9a66733/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2023-11-21 22:23:58,864 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_77ff6136-2a4a-4bb6-bf92-b313c9a66733/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2023-11-21 22:23:58,926 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,927 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,927 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,928 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,928 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,941 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,943 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,944 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,945 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,946 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,946 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,947 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,947 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:58,988 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 22:23:58,989 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 22:23:58,991 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 22:23:58,992 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 22:23:58,993 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 22:23:58,994 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 22:23:58,995 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 22:23:58,995 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 22:23:58,996 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 22:23:58,997 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 22:23:59,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2023-11-21 22:23:59,147 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,147 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,154 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,156 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,159 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,159 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,173 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,174 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,176 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,176 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:23:59,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:59,597 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,597 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,598 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,598 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,598 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,598 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,598 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,598 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,599 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,599 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,599 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,599 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,599 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,599 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,599 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,600 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,600 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,600 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:59,608 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:59,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59 WrapperNode [2023-11-21 22:23:59,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:59,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:59,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:59,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:59,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:23:59,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:23:59,889 INFO L138 Inliner]: procedures = 773, calls = 2490, calls flagged for inlining = 70, calls inlined = 25, statements flattened = 1457 [2023-11-21 22:23:59,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:59,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:59,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:59,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:59,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:23:59,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:23:59,941 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:24:00,002 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-21 22:24:00,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:24:00,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:24:00,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:24:00,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:24:00,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:24:00,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:24:00,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:24:00,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:24:00,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:24:00,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:24:00,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (1/1) ... [2023-11-21 22:24:00,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:24:00,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:00,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:00,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:24:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-21 22:24:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 22:24:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 22:24:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2023-11-21 22:24:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:24:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 22:24:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 22:24:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 22:24:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 22:24:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-21 22:24:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-21 22:24:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:24:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:24:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:24:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2023-11-21 22:24:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2023-11-21 22:24:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:24:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:24:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 22:24:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 22:24:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-21 22:24:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-21 22:24:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:24:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-21 22:24:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-21 22:24:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:24:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-21 22:24:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-21 22:24:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:24:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-21 22:24:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-21 22:24:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:24:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2023-11-21 22:24:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2023-11-21 22:24:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-21 22:24:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-21 22:24:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2023-11-21 22:24:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2023-11-21 22:24:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2023-11-21 22:24:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2023-11-21 22:24:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2023-11-21 22:24:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2023-11-21 22:24:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:24:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-21 22:24:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-21 22:24:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:24:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2023-11-21 22:24:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2023-11-21 22:24:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-21 22:24:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-21 22:24:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-21 22:24:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:24:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:24:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2023-11-21 22:24:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2023-11-21 22:24:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2023-11-21 22:24:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2023-11-21 22:24:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2023-11-21 22:24:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2023-11-21 22:24:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:24:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:24:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-21 22:24:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-21 22:24:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:24:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 22:24:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 22:24:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-21 22:24:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-21 22:24:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-21 22:24:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-21 22:24:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2023-11-21 22:24:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2023-11-21 22:24:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 22:24:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 22:24:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:24:00,606 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:24:00,609 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:24:00,984 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2023-11-21 22:24:01,021 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2023-11-21 22:24:01,752 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2023-11-21 22:24:01,752 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !true; [2023-11-21 22:24:03,698 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:24:04,443 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:24:04,444 INFO L308 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-21 22:24:04,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:04 BoogieIcfgContainer [2023-11-21 22:24:04,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:24:04,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:24:04,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:24:04,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:24:04,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:23:55" (1/3) ... [2023-11-21 22:24:04,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665185d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:24:04, skipping insertion in model container [2023-11-21 22:24:04,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:59" (2/3) ... [2023-11-21 22:24:04,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665185d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:24:04, skipping insertion in model container [2023-11-21 22:24:04,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:04" (3/3) ... [2023-11-21 22:24:04,454 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness.i [2023-11-21 22:24:04,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:24:04,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:24:04,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:24:04,536 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;@5540cd53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:24:04,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:24:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 286 states, 173 states have (on average 1.260115606936416) internal successors, (218), 170 states have internal predecessors, (218), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-21 22:24:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 22:24:04,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:24:04,556 INFO L195 NwaCegarLoop]: trace histogram [9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:04,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:24:04,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:04,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1095969560, now seen corresponding path program 1 times [2023-11-21 22:24:04,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:04,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469169797] [2023-11-21 22:24:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:05,101 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:24:05,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1840317022] [2023-11-21 22:24:05,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:05,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:24:05,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:05,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:24:05,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ff6136-2a4a-4bb6-bf92-b313c9a66733/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:24:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:06,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 22:24:06,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:06,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:24:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-21 22:24:06,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:24:06,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:06,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469169797] [2023-11-21 22:24:06,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:24:06,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840317022] [2023-11-21 22:24:06,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840317022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:06,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:06,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-21 22:24:06,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594195010] [2023-11-21 22:24:06,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:06,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:24:06,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:06,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:24:06,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:24:06,885 INFO L87 Difference]: Start difference. First operand has 286 states, 173 states have (on average 1.260115606936416) internal successors, (218), 170 states have internal predecessors, (218), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-21 22:24:09,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-21 22:24:12,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:14,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:16,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:18,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:20,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:22,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:24,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:26,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:28,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:31,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:34,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:36,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:38,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:40,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:42,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:44,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:46,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:48,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:50,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:53,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:55,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:24:57,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]