./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.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_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/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_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/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_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/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 489929a5e16ca7b6c37431f1402d7909a8c53c05fad96c5d5ea6a1c3ea89ee37 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:15:42,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:15:43,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:15:43,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:15:43,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:15:43,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:15:43,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:15:43,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:15:43,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:15:43,165 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:15:43,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:15:43,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:15:43,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:15:43,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:15:43,169 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:15:43,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:15:43,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:15:43,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:15:43,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:15:43,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:15:43,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:15:43,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:15:43,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:15:43,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:15:43,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:15:43,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:15:43,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:15:43,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:15:43,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:15:43,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:15:43,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:15:43,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:15:43,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:15:43,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:15:43,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:15:43,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:15:43,179 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:15:43,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:15:43,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:15:43,180 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_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 489929a5e16ca7b6c37431f1402d7909a8c53c05fad96c5d5ea6a1c3ea89ee37 [2023-11-21 22:15:43,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:15:43,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:15:43,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:15:43,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:15:43,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:15:43,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2023-11-21 22:15:46,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:15:47,237 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:15:47,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2023-11-21 22:15:47,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/data/60c40ea09/17415be8389940ff83c83cb8be030d9f/FLAG5acd7c8dd [2023-11-21 22:15:47,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/data/60c40ea09/17415be8389940ff83c83cb8be030d9f [2023-11-21 22:15:47,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:15:47,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:15:47,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:15:47,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:15:47,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:15:47,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:47" (1/1) ... [2023-11-21 22:15:47,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29823904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:47, skipping insertion in model container [2023-11-21 22:15:47,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:47" (1/1) ... [2023-11-21 22:15:47,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:15:47,789 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_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4492,4505] [2023-11-21 22:15:47,800 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_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4552,4565] [2023-11-21 22:15:49,253 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,256 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,257 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,259 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,262 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,297 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,300 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,302 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,303 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,305 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,307 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,308 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,308 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:49,862 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 22:15:49,871 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 22:15:49,873 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 22:15:49,876 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 22:15:49,878 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 22:15:49,881 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 22:15:49,883 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 22:15:49,884 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 22:15:49,885 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 22:15:49,886 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 22:15:50,468 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,469 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,493 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,494 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,520 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,534 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,535 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:15:50,660 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:15:50,685 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_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4492,4505] [2023-11-21 22:15:50,686 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_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4552,4565] [2023-11-21 22:15:50,756 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,757 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,759 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,775 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,775 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,780 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,781 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,782 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,783 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,784 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,785 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:50,838 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 22:15:50,840 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 22:15:50,841 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 22:15:50,843 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 22:15:50,845 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 22:15:50,847 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 22:15:50,848 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 22:15:50,849 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 22:15:50,850 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 22:15:50,851 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 22:15:51,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2023-11-21 22:15:51,143 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,143 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,153 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,154 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,158 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,158 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,169 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,170 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,170 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,171 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,171 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,172 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,172 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:15:51,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:15:51,561 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,561 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,561 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,561 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,562 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,562 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,562 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,562 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,562 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,562 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,563 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,563 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,563 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,563 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,563 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,563 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,564 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,564 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:51,572 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:15:51,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51 WrapperNode [2023-11-21 22:15:51,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:15:51,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:15:51,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:15:51,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:15:51,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:51,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:51,841 INFO L138 Inliner]: procedures = 773, calls = 2490, calls flagged for inlining = 70, calls inlined = 25, statements flattened = 1457 [2023-11-21 22:15:51,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:15:51,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:15:51,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:15:51,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:15:51,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:51,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:51,876 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:51,955 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-21 22:15:51,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:51,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:52,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:52,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:52,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:52,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:52,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:15:52,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:15:52,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:15:52,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:15:52,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (1/1) ... [2023-11-21 22:15:52,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:15:52,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:15:52,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:15:52,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:15:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-21 22:15:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 22:15:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 22:15:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2023-11-21 22:15:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:15:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 22:15:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 22:15:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 22:15:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 22:15:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-21 22:15:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-21 22:15:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:15:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:15:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:15:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2023-11-21 22:15:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2023-11-21 22:15:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:15:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:15:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 22:15:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 22:15:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-21 22:15:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-21 22:15:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:15:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-21 22:15:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-21 22:15:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:15:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-21 22:15:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-21 22:15:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:15:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-21 22:15:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-21 22:15:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:15:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2023-11-21 22:15:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2023-11-21 22:15:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-21 22:15:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-21 22:15:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2023-11-21 22:15:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2023-11-21 22:15:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2023-11-21 22:15:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2023-11-21 22:15:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2023-11-21 22:15:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2023-11-21 22:15:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:15:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-21 22:15:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-21 22:15:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:15:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2023-11-21 22:15:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2023-11-21 22:15:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-21 22:15:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-21 22:15:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-21 22:15:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:15:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:15:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2023-11-21 22:15:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2023-11-21 22:15:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2023-11-21 22:15:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2023-11-21 22:15:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2023-11-21 22:15:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2023-11-21 22:15:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:15:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:15:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-21 22:15:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-21 22:15:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:15:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 22:15:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 22:15:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-21 22:15:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-21 22:15:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-21 22:15:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-21 22:15:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2023-11-21 22:15:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2023-11-21 22:15:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 22:15:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 22:15:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:15:52,797 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:15:52,800 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:15:53,209 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2023-11-21 22:15:53,255 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2023-11-21 22:15:54,104 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2023-11-21 22:15:54,105 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !true; [2023-11-21 22:15:55,983 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:15:56,727 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:15:56,727 INFO L308 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-21 22:15:56,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:15:56 BoogieIcfgContainer [2023-11-21 22:15:56,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:15:56,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:15:56,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:15:56,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:15:56,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:15:47" (1/3) ... [2023-11-21 22:15:56,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4bbbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:15:56, skipping insertion in model container [2023-11-21 22:15:56,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:51" (2/3) ... [2023-11-21 22:15:56,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4bbbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:15:56, skipping insertion in model container [2023-11-21 22:15:56,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:15:56" (3/3) ... [2023-11-21 22:15:56,741 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness_negated.i [2023-11-21 22:15:56,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:15:56,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:15:56,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:15:56,852 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;@44c34575, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:15:56,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:15:56,859 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 22:15:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 22:15:56,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:15:56,878 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 22:15:56,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:15:56,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:15:56,885 INFO L85 PathProgramCache]: Analyzing trace with hash 74335190, now seen corresponding path program 1 times [2023-11-21 22:15:56,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:15:56,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502370330] [2023-11-21 22:15:56,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:15:56,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:15:57,421 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:15:57,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [486040158] [2023-11-21 22:15:57,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:15:57,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:15:57,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:15:57,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:15:57,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bfca1-0c72-4ccc-86d7-6d6db3c5a4d8/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:15:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:58,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 22:15:58,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:58,700 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 22:15:59,291 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 22:15:59,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:15:59,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:15:59,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502370330] [2023-11-21 22:15:59,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:15:59,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486040158] [2023-11-21 22:15:59,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486040158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:15:59,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:15:59,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-21 22:15:59,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402495265] [2023-11-21 22:15:59,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:15:59,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:15:59,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:15:59,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:15:59,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:15:59,348 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 22:16:02,414 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=true, quantifiers [0] [2023-11-21 22:16:04,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:06,574 WARN L539 Checker$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 22:16:08,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:10,705 WARN L539 Checker$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 22:16:12,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:15,166 WARN L539 Checker$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 22:16:17,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:19,258 WARN L539 Checker$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 22:16:21,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:23,790 WARN L539 Checker$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 22:16:26,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:28,764 WARN L539 Checker$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 22:16:30,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:32,924 WARN L539 Checker$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 22:16:34,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:37,024 WARN L539 Checker$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 22:16:39,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:41,145 WARN L539 Checker$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 22:16:43,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:16:45,992 WARN L539 Checker$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 22:16:48,046 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]