./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1c5fb9c8db16c3b52cc1a17efcc241d243764645fab92df09c2936b9ed761828 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:55,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:55,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:20:55,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:55,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:55,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:55,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:55,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:55,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:55,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:55,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:55,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:55,968 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:55,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:55,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:20:55,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:20:55,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:55,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:20:55,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:55,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:20:55,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:20:55,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:55,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:55,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:55,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:55,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:55,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:55,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:55,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:20:55,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:20:55,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:20:55,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:55,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:20:55,984 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:55,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:55,985 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:55,985 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5fb9c8db16c3b52cc1a17efcc241d243764645fab92df09c2936b9ed761828 [2023-11-06 22:20:56,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:56,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:56,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:56,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:56,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:56,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2023-11-06 22:20:59,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:21:00,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:21:00,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2023-11-06 22:21:00,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/data/b6794c55b/8f2653a9839a45aeb48fb3772e4037f3/FLAG8039b18fe [2023-11-06 22:21:00,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/data/b6794c55b/8f2653a9839a45aeb48fb3772e4037f3 [2023-11-06 22:21:00,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:21:00,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:21:00,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:00,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:21:00,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:21:00,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:00" (1/1) ... [2023-11-06 22:21:00,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70341ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:00, skipping insertion in model container [2023-11-06 22:21:00,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:00" (1/1) ... [2023-11-06 22:21:01,104 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:21:01,590 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-06 22:21:01,601 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-06 22:21:02,859 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:02,861 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:02,863 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:02,864 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:02,867 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:02,908 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:02,914 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:02,916 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:02,916 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:03,542 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:21:03,544 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:21:03,545 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:21:03,547 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:21:03,549 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:21:03,550 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:21:03,551 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:21:03,554 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:21:03,556 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:21:03,559 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:21:03,804 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:03,805 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:03,907 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:03,908 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:03,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:04,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:21:04,121 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-06 22:21:04,123 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-06 22:21:04,188 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,189 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,190 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,191 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,191 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,199 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,200 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,201 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,203 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,281 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:21:04,282 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:21:04,283 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:21:04,284 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:21:04,286 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:21:04,287 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:21:04,288 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:21:04,289 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:21:04,290 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:21:04,291 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:21:04,415 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,416 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2023-11-06 22:21:04,566 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,568 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:21:04,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2023-11-06 22:21:04,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:05,069 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,070 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,071 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,071 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,071 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,071 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,072 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,072 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,073 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,073 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,073 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,073 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,074 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,075 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,075 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,075 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,076 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,077 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:05,086 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:21:05,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05 WrapperNode [2023-11-06 22:21:05,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:05,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:05,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:21:05,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:21:05,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,353 INFO L138 Inliner]: procedures = 691, calls = 2503, calls flagged for inlining = 57, calls inlined = 12, statements flattened = 1002 [2023-11-06 22:21:05,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:05,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:21:05,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:21:05,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:21:05,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:21:05,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:21:05,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:21:05,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:21:05,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:05,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:05,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:21:05,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-06 22:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-06 22:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:21:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-06 22:21:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-06 22:21:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:21:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-06 22:21:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-06 22:21:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:21:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:21:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:21:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-06 22:21:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-06 22:21:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2023-11-06 22:21:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2023-11-06 22:21:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-06 22:21:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-06 22:21:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:21:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:21:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:21:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-06 22:21:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-06 22:21:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:21:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:21:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-06 22:21:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-06 22:21:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-06 22:21:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-06 22:21:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:21:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:21:06,008 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:21:06,012 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:21:08,162 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:21:08,170 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:21:08,170 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-06 22:21:08,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:08 BoogieIcfgContainer [2023-11-06 22:21:08,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:21:08,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:21:08,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:21:08,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:21:08,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:21:00" (1/3) ... [2023-11-06 22:21:08,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa7b035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:08, skipping insertion in model container [2023-11-06 22:21:08,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05" (2/3) ... [2023-11-06 22:21:08,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa7b035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:08, skipping insertion in model container [2023-11-06 22:21:08,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:08" (3/3) ... [2023-11-06 22:21:08,186 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2023-11-06 22:21:08,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:21:08,206 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:21:08,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:21:08,297 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=LoopsAndPotentialCycles, 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;@3f0c95bc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:21:08,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:21:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 110 states have internal predecessors, (146), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:21:08,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:21:08,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:08,319 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:08,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:08,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:08,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1108355223, now seen corresponding path program 1 times [2023-11-06 22:21:08,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:08,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439077334] [2023-11-06 22:21:08,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:08,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:21:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:21:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:21:09,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:09,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439077334] [2023-11-06 22:21:09,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439077334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:09,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:09,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:21:09,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446944004] [2023-11-06 22:21:09,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:09,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:09,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:09,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:09,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:09,239 INFO L87 Difference]: Start difference. First operand has 160 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 110 states have internal predecessors, (146), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:21:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:09,872 INFO L93 Difference]: Finished difference Result 320 states and 455 transitions. [2023-11-06 22:21:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:21:09,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2023-11-06 22:21:09,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:09,895 INFO L225 Difference]: With dead ends: 320 [2023-11-06 22:21:09,895 INFO L226 Difference]: Without dead ends: 165 [2023-11-06 22:21:09,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:21:09,909 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 128 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:09,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 268 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:21:09,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-06 22:21:09,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 155. [2023-11-06 22:21:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 105 states have (on average 1.2571428571428571) internal successors, (132), 106 states have internal predecessors, (132), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-06 22:21:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2023-11-06 22:21:09,995 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 207 transitions. Word has length 46 [2023-11-06 22:21:09,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:09,996 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 207 transitions. [2023-11-06 22:21:09,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:21:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 207 transitions. [2023-11-06 22:21:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:21:10,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:10,002 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:10,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:21:10,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:10,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:10,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1165194515, now seen corresponding path program 1 times [2023-11-06 22:21:10,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:10,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676085959] [2023-11-06 22:21:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:10,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 22:21:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:21:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:21:10,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:10,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676085959] [2023-11-06 22:21:10,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676085959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:10,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:10,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:10,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918268238] [2023-11-06 22:21:10,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:10,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:21:10,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:10,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:21:10,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:21:10,954 INFO L87 Difference]: Start difference. First operand 155 states and 207 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:21:11,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:11,814 INFO L93 Difference]: Finished difference Result 307 states and 413 transitions. [2023-11-06 22:21:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:11,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2023-11-06 22:21:11,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:11,819 INFO L225 Difference]: With dead ends: 307 [2023-11-06 22:21:11,819 INFO L226 Difference]: Without dead ends: 168 [2023-11-06 22:21:11,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:21:11,825 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 205 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:11,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 462 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:21:11,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-06 22:21:11,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 158. [2023-11-06 22:21:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 107 states have (on average 1.2523364485981308) internal successors, (134), 109 states have internal predecessors, (134), 38 states have call successors, (38), 11 states have call predecessors, (38), 12 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2023-11-06 22:21:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 215 transitions. [2023-11-06 22:21:11,869 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 215 transitions. Word has length 46 [2023-11-06 22:21:11,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:11,870 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 215 transitions. [2023-11-06 22:21:11,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:21:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 215 transitions. [2023-11-06 22:21:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 22:21:11,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:11,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:11,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:21:11,882 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:11,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:11,882 INFO L85 PathProgramCache]: Analyzing trace with hash 862482782, now seen corresponding path program 1 times [2023-11-06 22:21:11,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:11,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267745028] [2023-11-06 22:21:11,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:11,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:21:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:21:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:21:12,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:12,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267745028] [2023-11-06 22:21:12,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267745028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:12,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:12,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:21:12,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191649856] [2023-11-06 22:21:12,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:12,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:21:12,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:12,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:21:12,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:21:12,645 INFO L87 Difference]: Start difference. First operand 158 states and 215 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 22:21:13,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:13,504 INFO L93 Difference]: Finished difference Result 210 states and 276 transitions. [2023-11-06 22:21:13,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:21:13,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2023-11-06 22:21:13,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:13,509 INFO L225 Difference]: With dead ends: 210 [2023-11-06 22:21:13,510 INFO L226 Difference]: Without dead ends: 172 [2023-11-06 22:21:13,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:21:13,512 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 131 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:13,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 633 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:21:13,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-06 22:21:13,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 160. [2023-11-06 22:21:13,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 109 states have (on average 1.2477064220183487) internal successors, (136), 111 states have internal predecessors, (136), 38 states have call successors, (38), 11 states have call predecessors, (38), 12 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2023-11-06 22:21:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 217 transitions. [2023-11-06 22:21:13,540 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 217 transitions. Word has length 52 [2023-11-06 22:21:13,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:13,541 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 217 transitions. [2023-11-06 22:21:13,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 22:21:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 217 transitions. [2023-11-06 22:21:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-06 22:21:13,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:13,544 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:13,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:21:13,545 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:13,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:13,546 INFO L85 PathProgramCache]: Analyzing trace with hash 877723525, now seen corresponding path program 1 times [2023-11-06 22:21:13,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:13,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785040217] [2023-11-06 22:21:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:14,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:21:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-06 22:21:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:21:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:21:15,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:15,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785040217] [2023-11-06 22:21:15,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785040217] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:15,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520042380] [2023-11-06 22:21:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:15,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:15,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:15,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:15,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:21:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:16,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 2463 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:21:16,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:21:16,204 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:16,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520042380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:16,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:21:16,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-11-06 22:21:16,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88506692] [2023-11-06 22:21:16,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:16,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:16,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:16,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:16,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:21:16,207 INFO L87 Difference]: Start difference. First operand 160 states and 217 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:21:16,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:16,266 INFO L93 Difference]: Finished difference Result 204 states and 270 transitions. [2023-11-06 22:21:16,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:21:16,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2023-11-06 22:21:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:16,269 INFO L225 Difference]: With dead ends: 204 [2023-11-06 22:21:16,270 INFO L226 Difference]: Without dead ends: 166 [2023-11-06 22:21:16,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:21:16,271 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 3 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:16,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1029 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:21:16,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-06 22:21:16,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2023-11-06 22:21:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 109 states have (on average 1.2477064220183487) internal successors, (136), 111 states have internal predecessors, (136), 38 states have call successors, (38), 11 states have call predecessors, (38), 12 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2023-11-06 22:21:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 217 transitions. [2023-11-06 22:21:16,292 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 217 transitions. Word has length 60 [2023-11-06 22:21:16,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:16,292 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 217 transitions. [2023-11-06 22:21:16,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:21:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 217 transitions. [2023-11-06 22:21:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-06 22:21:16,295 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:16,295 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:16,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:16,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-06 22:21:16,507 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:16,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:16,507 INFO L85 PathProgramCache]: Analyzing trace with hash -268177860, now seen corresponding path program 1 times [2023-11-06 22:21:16,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:16,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960327000] [2023-11-06 22:21:16,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:16,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:18,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:21:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:21:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 22:21:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:21:19,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:19,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960327000] [2023-11-06 22:21:19,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960327000] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:19,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56002208] [2023-11-06 22:21:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:19,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:19,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:19,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:19,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:21:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:19,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:21:19,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:20,097 INFO L351 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 [2023-11-06 22:21:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:21:20,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:20,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56002208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:20,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:21:20,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 17 [2023-11-06 22:21:20,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808301129] [2023-11-06 22:21:20,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:20,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:21:20,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:20,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:21:20,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:21:20,868 INFO L87 Difference]: Start difference. First operand 160 states and 217 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:21:23,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:26,463 WARN L539 Checker$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] [2023-11-06 22:21:28,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:30,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:32,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:34,786 WARN L539 Checker$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] [2023-11-06 22:21:36,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:38,921 WARN L539 Checker$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] [2023-11-06 22:21:40,969 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] [2023-11-06 22:21:41,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:41,041 INFO L93 Difference]: Finished difference Result 431 states and 589 transitions. [2023-11-06 22:21:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:21:41,042 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 64 [2023-11-06 22:21:41,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:41,046 INFO L225 Difference]: With dead ends: 431 [2023-11-06 22:21:41,047 INFO L226 Difference]: Without dead ends: 287 [2023-11-06 22:21:41,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 65 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:21:41,049 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 205 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 15 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:41,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1624 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 622 Invalid, 9 Unknown, 0 Unchecked, 19.9s Time] [2023-11-06 22:21:41,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-11-06 22:21:41,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2023-11-06 22:21:41,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 196 states have (on average 1.2551020408163265) internal successors, (246), 203 states have internal predecessors, (246), 63 states have call successors, (63), 19 states have call predecessors, (63), 23 states have return successors, (79), 60 states have call predecessors, (79), 61 states have call successors, (79) [2023-11-06 22:21:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 388 transitions. [2023-11-06 22:21:41,094 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 388 transitions. Word has length 64 [2023-11-06 22:21:41,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:41,094 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 388 transitions. [2023-11-06 22:21:41,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:21:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 388 transitions. [2023-11-06 22:21:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:21:41,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:41,097 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:41,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:41,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:41,309 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:41,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:41,310 INFO L85 PathProgramCache]: Analyzing trace with hash 260403404, now seen corresponding path program 1 times [2023-11-06 22:21:41,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:41,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88554939] [2023-11-06 22:21:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:41,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:21:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:21:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:21:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:21:42,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:42,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88554939] [2023-11-06 22:21:42,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88554939] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:42,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397428342] [2023-11-06 22:21:42,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:42,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:42,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:42,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:42,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:21:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:43,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:21:43,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 22:21:43,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:43,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397428342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:43,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:21:43,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2023-11-06 22:21:43,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309590822] [2023-11-06 22:21:43,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:43,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:21:43,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:43,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:21:43,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:21:43,803 INFO L87 Difference]: Start difference. First operand 283 states and 388 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:21:44,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:44,460 INFO L93 Difference]: Finished difference Result 584 states and 830 transitions. [2023-11-06 22:21:44,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:21:44,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2023-11-06 22:21:44,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:44,466 INFO L225 Difference]: With dead ends: 584 [2023-11-06 22:21:44,466 INFO L226 Difference]: Without dead ends: 317 [2023-11-06 22:21:44,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:21:44,469 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 40 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:44,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 766 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:21:44,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-11-06 22:21:44,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 293. [2023-11-06 22:21:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 206 states have (on average 1.2621359223300972) internal successors, (260), 213 states have internal predecessors, (260), 63 states have call successors, (63), 19 states have call predecessors, (63), 23 states have return successors, (79), 60 states have call predecessors, (79), 61 states have call successors, (79) [2023-11-06 22:21:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 402 transitions. [2023-11-06 22:21:44,554 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 402 transitions. Word has length 72 [2023-11-06 22:21:44,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:44,557 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 402 transitions. [2023-11-06 22:21:44,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:21:44,558 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 402 transitions. [2023-11-06 22:21:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:21:44,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:44,561 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:44,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 22:21:44,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:21:44,774 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:44,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:44,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1530819000, now seen corresponding path program 1 times [2023-11-06 22:21:44,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:44,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659494830] [2023-11-06 22:21:44,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:44,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:45,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:45,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:21:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:21:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:21:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:21:46,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:46,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659494830] [2023-11-06 22:21:46,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659494830] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:46,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797727246] [2023-11-06 22:21:46,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:46,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:46,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:46,134 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:46,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:21:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:46,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:21:46,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:21:46,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:46,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797727246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:46,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:21:46,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 12 [2023-11-06 22:21:46,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540422978] [2023-11-06 22:21:46,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:46,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:46,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:46,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:46,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:21:46,893 INFO L87 Difference]: Start difference. First operand 293 states and 402 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:21:47,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:47,110 INFO L93 Difference]: Finished difference Result 580 states and 805 transitions. [2023-11-06 22:21:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:21:47,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 72 [2023-11-06 22:21:47,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:47,116 INFO L225 Difference]: With dead ends: 580 [2023-11-06 22:21:47,116 INFO L226 Difference]: Without dead ends: 303 [2023-11-06 22:21:47,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:21:47,119 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 13 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:47,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1536 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:21:47,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-06 22:21:47,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 298. [2023-11-06 22:21:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 210 states have (on average 1.2571428571428571) internal successors, (264), 218 states have internal predecessors, (264), 63 states have call successors, (63), 19 states have call predecessors, (63), 24 states have return successors, (86), 60 states have call predecessors, (86), 61 states have call successors, (86) [2023-11-06 22:21:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 413 transitions. [2023-11-06 22:21:47,165 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 413 transitions. Word has length 72 [2023-11-06 22:21:47,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:47,166 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 413 transitions. [2023-11-06 22:21:47,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:21:47,166 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 413 transitions. [2023-11-06 22:21:47,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:21:47,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:47,168 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:47,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:47,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:47,381 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:47,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:47,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1019185037, now seen corresponding path program 1 times [2023-11-06 22:21:47,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:47,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047471827] [2023-11-06 22:21:47,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:47,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:47,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:21:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:21:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:21:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:21:47,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:47,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047471827] [2023-11-06 22:21:47,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047471827] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:47,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428292270] [2023-11-06 22:21:47,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:47,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:47,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:47,897 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:47,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:21:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:48,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 2494 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:21:48,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:21:48,575 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:48,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428292270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:48,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:21:48,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2023-11-06 22:21:48,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595348904] [2023-11-06 22:21:48,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:48,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:48,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:48,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:48,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:48,578 INFO L87 Difference]: Start difference. First operand 298 states and 413 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:21:48,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:48,625 INFO L93 Difference]: Finished difference Result 593 states and 834 transitions. [2023-11-06 22:21:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:21:48,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2023-11-06 22:21:48,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:48,628 INFO L225 Difference]: With dead ends: 593 [2023-11-06 22:21:48,629 INFO L226 Difference]: Without dead ends: 311 [2023-11-06 22:21:48,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:21:48,631 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 9 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:48,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 609 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:21:48,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2023-11-06 22:21:48,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 302. [2023-11-06 22:21:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 214 states have (on average 1.2523364485981308) internal successors, (268), 222 states have internal predecessors, (268), 63 states have call successors, (63), 19 states have call predecessors, (63), 24 states have return successors, (86), 60 states have call predecessors, (86), 61 states have call successors, (86) [2023-11-06 22:21:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 417 transitions. [2023-11-06 22:21:48,659 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 417 transitions. Word has length 74 [2023-11-06 22:21:48,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:48,660 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 417 transitions. [2023-11-06 22:21:48,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:21:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 417 transitions. [2023-11-06 22:21:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:21:48,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:48,662 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:48,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:48,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:48,872 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:48,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:48,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1357293521, now seen corresponding path program 1 times [2023-11-06 22:21:48,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:48,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376295790] [2023-11-06 22:21:48,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:48,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:21:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:21:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:21:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 22:21:49,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:49,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376295790] [2023-11-06 22:21:49,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376295790] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:49,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678533582] [2023-11-06 22:21:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:49,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:49,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:49,306 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:49,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:21:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:49,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 2496 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:21:49,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 22:21:49,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:49,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678533582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:49,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:21:49,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2023-11-06 22:21:49,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505847858] [2023-11-06 22:21:49,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:49,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:49,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:49,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:49,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:49,910 INFO L87 Difference]: Start difference. First operand 302 states and 417 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:21:49,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:49,956 INFO L93 Difference]: Finished difference Result 618 states and 872 transitions. [2023-11-06 22:21:49,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:21:49,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2023-11-06 22:21:49,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:49,959 INFO L225 Difference]: With dead ends: 618 [2023-11-06 22:21:49,960 INFO L226 Difference]: Without dead ends: 332 [2023-11-06 22:21:49,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:21:49,962 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 28 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:49,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 624 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:21:49,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-06 22:21:49,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 302. [2023-11-06 22:21:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 214 states have (on average 1.2429906542056075) internal successors, (266), 222 states have internal predecessors, (266), 63 states have call successors, (63), 19 states have call predecessors, (63), 24 states have return successors, (86), 60 states have call predecessors, (86), 61 states have call successors, (86) [2023-11-06 22:21:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 415 transitions. [2023-11-06 22:21:49,989 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 415 transitions. Word has length 74 [2023-11-06 22:21:49,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:49,989 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 415 transitions. [2023-11-06 22:21:49,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:21:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 415 transitions. [2023-11-06 22:21:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:21:49,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:49,991 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:50,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:50,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:50,207 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:50,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:50,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1341774803, now seen corresponding path program 1 times [2023-11-06 22:21:50,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:50,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054391662] [2023-11-06 22:21:50,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:50,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:21:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:21:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:21:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-06 22:21:51,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:51,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054391662] [2023-11-06 22:21:51,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054391662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:51,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:51,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:21:51,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069034616] [2023-11-06 22:21:51,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:51,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:21:51,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:51,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:21:51,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:21:51,720 INFO L87 Difference]: Start difference. First operand 302 states and 415 transitions. Second operand has 11 states, 10 states have (on average 5.0) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:21:52,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:52,856 INFO L93 Difference]: Finished difference Result 333 states and 450 transitions. [2023-11-06 22:21:52,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:21:52,857 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.0) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 74 [2023-11-06 22:21:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:52,860 INFO L225 Difference]: With dead ends: 333 [2023-11-06 22:21:52,861 INFO L226 Difference]: Without dead ends: 321 [2023-11-06 22:21:52,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:21:52,862 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 150 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:52,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 955 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:21:52,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-06 22:21:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 306. [2023-11-06 22:21:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 218 states have (on average 1.238532110091743) internal successors, (270), 226 states have internal predecessors, (270), 63 states have call successors, (63), 19 states have call predecessors, (63), 24 states have return successors, (80), 60 states have call predecessors, (80), 61 states have call successors, (80) [2023-11-06 22:21:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 413 transitions. [2023-11-06 22:21:52,893 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 413 transitions. Word has length 74 [2023-11-06 22:21:52,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:52,895 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 413 transitions. [2023-11-06 22:21:52,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.0) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:21:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 413 transitions. [2023-11-06 22:21:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:21:52,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:52,897 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:52,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:21:52,897 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:52,900 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:52,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1710014025, now seen corresponding path program 1 times [2023-11-06 22:21:52,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:52,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358252369] [2023-11-06 22:21:52,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:52,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:21:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:21:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:21:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:21:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:21:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:21:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:54,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:21:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 22:21:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 22:21:54,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:54,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358252369] [2023-11-06 22:21:54,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358252369] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:54,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923089108] [2023-11-06 22:21:54,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:54,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:54,406 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:54,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:21:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:55,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 2577 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:21:55,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:21:55,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:55,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923089108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:55,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:21:55,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2023-11-06 22:21:55,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171848059] [2023-11-06 22:21:55,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:55,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:21:55,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:55,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:21:55,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:21:55,315 INFO L87 Difference]: Start difference. First operand 306 states and 413 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-06 22:21:55,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:55,722 INFO L93 Difference]: Finished difference Result 594 states and 805 transitions. [2023-11-06 22:21:55,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:21:55,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 78 [2023-11-06 22:21:55,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:55,727 INFO L225 Difference]: With dead ends: 594 [2023-11-06 22:21:55,727 INFO L226 Difference]: Without dead ends: 312 [2023-11-06 22:21:55,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:21:55,730 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 292 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:55,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 687 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:21:55,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-06 22:21:55,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2023-11-06 22:21:55,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 222 states have (on average 1.2342342342342343) internal successors, (274), 232 states have internal predecessors, (274), 63 states have call successors, (63), 19 states have call predecessors, (63), 26 states have return successors, (87), 60 states have call predecessors, (87), 61 states have call successors, (87) [2023-11-06 22:21:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 424 transitions. [2023-11-06 22:21:55,777 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 424 transitions. Word has length 78 [2023-11-06 22:21:55,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:55,777 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 424 transitions. [2023-11-06 22:21:55,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-06 22:21:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2023-11-06 22:21:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:21:55,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:55,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:55,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:55,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:21:55,993 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:55,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:55,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1707972510, now seen corresponding path program 1 times [2023-11-06 22:21:55,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:55,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882431678] [2023-11-06 22:21:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:55,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:21:56,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:21:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:21:56,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:21:56,841 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:21:56,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:21:56,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:21:56,848 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:56,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:21:56,924 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,925 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,925 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,926 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,926 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,927 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,928 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,929 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,929 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,934 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,935 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,936 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,936 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,936 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,937 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,937 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,937 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,937 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,938 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,938 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,938 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,939 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,939 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,940 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,940 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,941 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,942 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,942 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,943 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,943 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,943 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,944 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,945 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,945 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,946 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,946 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,946 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,947 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,947 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,948 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,948 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,949 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,949 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,950 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,950 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,950 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,958 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,958 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,959 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,959 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,960 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,960 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,960 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,961 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,961 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,961 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,962 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,963 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,963 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,966 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,969 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,969 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,971 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,971 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,972 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,972 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,973 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,977 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,978 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,978 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,979 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,979 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,979 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,979 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,980 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,980 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,980 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,981 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,981 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,981 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,982 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,982 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,984 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,984 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,984 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,985 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,985 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,985 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,986 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,986 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,990 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,990 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,991 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,991 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,992 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,992 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,992 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,992 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,993 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,993 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,994 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,994 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,995 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,995 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,995 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,995 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:56,996 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:56,996 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:56,996 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:56,997 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,001 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,001 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,002 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,003 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,003 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,003 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,003 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,004 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,004 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,004 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,005 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,007 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,007 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,008 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,008 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,010 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,010 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,011 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,011 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,011 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,012 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,012 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,012 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,012 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,013 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,013 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,013 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,014 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,014 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,014 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,015 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,015 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,015 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,015 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,016 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,016 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,016 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,016 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,017 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,017 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-06 22:21:57,017 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-06 22:21:57,018 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-06 22:21:57,020 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-06 22:21:57,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:21:57 BoogieIcfgContainer [2023-11-06 22:21:57,045 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:21:57,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:21:57,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:21:57,046 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:21:57,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:08" (3/4) ... [2023-11-06 22:21:57,049 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:21:57,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:21:57,051 INFO L158 Benchmark]: Toolchain (without parser) took 56184.56ms. Allocated memory was 142.6MB in the beginning and 388.0MB in the end (delta: 245.4MB). Free memory was 94.3MB in the beginning and 242.1MB in the end (delta: -147.8MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2023-11-06 22:21:57,052 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 111.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:21:57,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4214.74ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 93.7MB in the beginning and 120.9MB in the end (delta: -27.1MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2023-11-06 22:21:57,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 265.26ms. Allocated memory is still 184.5MB. Free memory was 120.9MB in the beginning and 108.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:21:57,055 INFO L158 Benchmark]: Boogie Preprocessor took 181.66ms. Allocated memory is still 184.5MB. Free memory was 108.3MB in the beginning and 100.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:21:57,056 INFO L158 Benchmark]: RCFGBuilder took 2637.05ms. Allocated memory is still 184.5MB. Free memory was 100.9MB in the beginning and 74.6MB in the end (delta: 26.4MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-06 22:21:57,056 INFO L158 Benchmark]: TraceAbstraction took 48867.37ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 74.6MB in the beginning and 243.1MB in the end (delta: -168.6MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-11-06 22:21:57,056 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 388.0MB. Free memory was 243.1MB in the beginning and 242.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:21:57,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 111.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4214.74ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 93.7MB in the beginning and 120.9MB in the end (delta: -27.1MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 265.26ms. Allocated memory is still 184.5MB. Free memory was 120.9MB in the beginning and 108.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.66ms. Allocated memory is still 184.5MB. Free memory was 108.3MB in the beginning and 100.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2637.05ms. Allocated memory is still 184.5MB. Free memory was 100.9MB in the beginning and 74.6MB in the end (delta: 26.4MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * TraceAbstraction took 48867.37ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 74.6MB in the beginning and 243.1MB in the end (delta: -168.6MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 388.0MB. Free memory was 243.1MB in the beginning and 242.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8097]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] - GenericResultAtLocation [Line: 8583]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 8600. Possible FailurePath: [L6860-L6865] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7093] static __thread int tl_last_error = 0; [L7476-L7488] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L8599-L8747] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L8750-L8753] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8755-L8764] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L8766-L8769] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L8771-L8775] static _Bool s_common_library_initialized = 0 ; VAL [errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8802] CALL aws_byte_buf_reserve_relative_harness() [L8788] struct aws_byte_buf buf; [L8789] CALL ensure_byte_buf_has_allocated_buffer_member(&buf) [L6610] CALL, EXPR nondet_bool() VAL [errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L6610] RET, EXPR nondet_bool() VAL [buf={258:0}, buf={258:0}, errors={196:0}, nondet_bool()=-255, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6610-L6612] EXPR (nondet_bool()) ? ((void *)0) : can_fail_allocator() VAL [(nondet_bool()) ? ((void *)0) : can_fail_allocator()={0:0}, buf={258:0}, buf={258:0}, errors={196:0}, nondet_bool()=-255, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6610-L6612] buf->allocator = (nondet_bool()) ? ((void *)0) : can_fail_allocator() [L6613] EXPR buf->capacity VAL [buf->capacity=-18446744073709551615, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6613] CALL, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [\old(size)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6877-L6879] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6877-L6879] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, size=1, tl_last_error=0] [L6880] return malloc(size); [L6613] RET, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity)={-2:0}, buf->capacity=-18446744073709551615, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6613] buf->buffer = bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) [L8789] RET ensure_byte_buf_has_allocated_buffer_member(&buf) [L8790] CALL, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7205-L7208] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7205] EXPR buf->capacity [L7205] EXPR buf->capacity == 0 && buf->len == 0 VAL [buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0=0, buf->capacity=-18446744073709551615, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7205-L7206] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) VAL [buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity=-18446744073709551615, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7205-L7208] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7208] EXPR buf->capacity [L7208] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7208] EXPR buf->len [L7208] EXPR buf->capacity [L7208] EXPR buf->capacity > 0 && buf->len <= buf->capacity VAL [(buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=0, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7208] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7208] EXPR buf->len [L7208] EXPR (((buf->len)) == 0) || ((buf->buffer)) VAL [(((buf->len)) == 0) || ((buf->buffer))=1, (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=0, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))=1, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7208] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) VAL [(((buf->len)) == 0) || ((buf->buffer))=1, (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=0, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))=1, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7205-L7208] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) VAL [(((buf->len)) == 0) || ((buf->buffer))=1, (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=1, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))=1, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7205-L7208] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) VAL [(((buf->len)) == 0) || ((buf->buffer))=1, (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=1, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))=1, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7205-L7208] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8790] RET, EXPR aws_byte_buf_is_valid(&buf) VAL [aws_byte_buf_is_valid(&buf)=1, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8790] CALL assume_abort_if_not(aws_byte_buf_is_valid(&buf)) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8790] RET assume_abort_if_not(aws_byte_buf_is_valid(&buf)) VAL [aws_byte_buf_is_valid(&buf)=1, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8792] struct aws_byte_buf old = buf; [L8793] size_t requested_capacity; [L8794] CALL, EXPR aws_byte_buf_reserve_relative(&buf, requested_capacity) [L7868] EXPR buffer->allocator VAL [\old(additional_length)=1073741826, additional_length=1073741826, buffer->allocator={0:0}, buffer={258:0}, buffer={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7868] COND TRUE !(buffer->allocator) [L7868] CALL, EXPR aws_raise_error(AWS_ERROR_INVALID_ARGUMENT) VAL [\old(tl_last_error)=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7100] tl_last_error = err VAL [\old(err)=33, \old(tl_last_error)=0, err=33, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L1996] RET aws_raise_error_private(err) [L1998] return (-1); VAL [\old(err)=33, \old(tl_last_error)=0, \result=-1, err=33, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7868] RET, EXPR aws_raise_error(AWS_ERROR_INVALID_ARGUMENT) VAL [\old(additional_length)=1073741826, additional_length=1073741826, aws_raise_error(AWS_ERROR_INVALID_ARGUMENT)=-1, buffer={258:0}, buffer={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7868] return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT); [L8794] RET, EXPR aws_byte_buf_reserve_relative(&buf, requested_capacity) [L8794] int rval = aws_byte_buf_reserve_relative(&buf, requested_capacity); [L8796] COND FALSE !(rval == (0)) VAL [buf={258:0}, errors={196:0}, old={257:0}, requested_capacity=1073741826, rval=-1, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L8800] CALL, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7205-L7208] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7205] EXPR buf->capacity [L7205] EXPR buf->capacity == 0 && buf->len == 0 VAL [buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0=0, buf->capacity=-18446744073709551615, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7205-L7206] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) VAL [buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity=-18446744073709551615, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7205-L7208] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7208] EXPR buf->capacity [L7208] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7208] EXPR buf->len [L7208] EXPR buf->capacity [L7208] EXPR buf->capacity > 0 && buf->len <= buf->capacity VAL [(buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=0, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7208] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7208] EXPR buf->len [L7208] EXPR (((buf->len)) == 0) || ((buf->buffer)) VAL [(((buf->len)) == 0) || ((buf->buffer))=1, (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=0, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))=1, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7208] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) VAL [(((buf->len)) == 0) || ((buf->buffer))=1, (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=0, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))=1, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7205-L7208] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) VAL [(((buf->len)) == 0) || ((buf->buffer))=1, (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=1, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))=1, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7205-L7208] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) VAL [(((buf->len)) == 0) || ((buf->buffer))=1, (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))=1, buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))))=1, buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0)=0, buf->capacity == 0 && buf->len == 0=0, buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))=1, buf->capacity > 0 && buf->len <= buf->capacity=1, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->capacity=-18446744073709551615, buf->len=0, buf->len=0, buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7205-L7208] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8800] RET, EXPR aws_byte_buf_is_valid(&buf) VAL [aws_byte_buf_is_valid(&buf)=1, buf={258:0}, errors={196:0}, old={257:0}, requested_capacity=1073741826, rval=-1, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L8800] CALL __VERIFIER_assert(!(aws_byte_buf_is_valid(&buf))) VAL [\old(cond)=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L223] reach_error() VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 160 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 1249 SdHoareTripleChecker+Valid, 23.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1204 mSDsluCounter, 9193 SdHoareTripleChecker+Invalid, 23.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7172 mSDsCounter, 467 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3287 IncrementalHoareTripleChecker+Invalid, 3763 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 467 mSolverCounterUnsat, 2021 mSDtfsCounter, 3287 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 755 GetRequests, 621 SyntacticMatches, 7 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=11, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 125 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 1282 NumberOfCodeBlocks, 1282 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1188 ConstructedInterpolants, 31 QuantifiedInterpolants, 2961 SizeOfPredicates, 26 NumberOfNonLiveVariables, 17493 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 206/269 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:21:57,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1c5fb9c8db16c3b52cc1a17efcc241d243764645fab92df09c2936b9ed761828 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:22:00,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:22:00,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:22:00,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:22:00,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:22:00,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:22:00,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:22:00,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:22:00,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:22:00,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:22:00,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:22:00,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:22:00,574 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:22:00,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:22:00,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:22:00,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:22:00,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:22:00,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:22:00,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:22:00,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:22:00,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:22:00,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:22:00,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:22:00,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:22:00,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:22:00,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:22:00,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:22:00,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:00,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:22:00,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:22:00,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:22:00,589 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:22:00,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:22:00,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:22:00,590 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:22:00,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:22:00,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:22:00,591 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:22:00,591 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:22:00,593 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5fb9c8db16c3b52cc1a17efcc241d243764645fab92df09c2936b9ed761828 [2023-11-06 22:22:01,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:22:01,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:22:01,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:22:01,176 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:22:01,177 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:22:01,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2023-11-06 22:22:05,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:22:05,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:22:05,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2023-11-06 22:22:06,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/data/653ac509d/f301ede0405847b5a83c20ae300ab593/FLAG19a88f300 [2023-11-06 22:22:06,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/data/653ac509d/f301ede0405847b5a83c20ae300ab593 [2023-11-06 22:22:06,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:22:06,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:22:06,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:06,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:22:06,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:22:06,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:06" (1/1) ... [2023-11-06 22:22:06,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26894f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:06, skipping insertion in model container [2023-11-06 22:22:06,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:06" (1/1) ... [2023-11-06 22:22:06,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:22:06,753 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-06 22:22:06,764 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-06 22:22:08,065 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,066 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,067 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,068 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,070 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,096 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,101 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,107 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,108 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:08,726 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:22:08,728 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:22:08,733 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:22:08,735 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:22:08,739 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:22:08,740 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:22:08,743 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:22:08,745 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:22:08,748 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:22:08,751 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:22:09,008 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,009 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,158 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,158 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:09,369 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 22:22:09,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:22:09,458 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-06 22:22:09,459 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-06 22:22:09,509 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,510 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,511 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,511 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,512 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,523 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,524 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,525 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,526 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,603 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:22:09,604 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:22:09,605 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:22:09,606 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:22:09,607 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:22:09,607 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:22:09,608 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:22:09,609 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:22:09,614 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:22:09,615 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:22:09,672 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,674 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,807 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,808 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:09,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:09,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:22:09,961 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-06 22:22:09,962 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_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-06 22:22:10,023 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,024 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,025 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,026 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,027 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,034 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,034 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,035 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,037 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,141 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:22:10,142 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:22:10,142 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:22:10,143 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:22:10,145 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:22:10,145 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:22:10,146 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:22:10,146 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:22:10,147 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:22:10,148 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:22:10,194 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,195 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2023-11-06 22:22:10,277 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,278 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:22:10,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2023-11-06 22:22:10,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:10,695 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,711 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,711 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,712 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,712 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,731 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,731 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,731 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,731 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,731 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,732 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,732 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,732 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,732 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,732 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,732 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,732 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,732 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:22:10,749 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:22:10,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10 WrapperNode [2023-11-06 22:22:10,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:10,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:10,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:22:10,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:22:10,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:10,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,098 INFO L138 Inliner]: procedures = 711, calls = 2503, calls flagged for inlining = 57, calls inlined = 12, statements flattened = 992 [2023-11-06 22:22:11,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:11,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:22:11,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:22:11,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:22:11,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:22:11,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:22:11,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:22:11,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:22:11,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (1/1) ... [2023-11-06 22:22:11,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:11,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:11,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:22:11,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:22:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-06 22:22:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-06 22:22:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:22:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-06 22:22:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-06 22:22:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:22:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 22:22:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-06 22:22:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-06 22:22:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-06 22:22:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:22:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:22:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:22:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:22:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:22:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:22:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:22:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-06 22:22:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-06 22:22:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2023-11-06 22:22:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2023-11-06 22:22:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-06 22:22:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-06 22:22:11,431 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-06 22:22:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:22:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:22:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:22:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-06 22:22:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-06 22:22:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:22:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-06 22:22:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:22:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-06 22:22:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-06 22:22:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-06 22:22:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-06 22:22:11,866 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:22:11,869 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:22:14,357 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:22:14,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:22:14,368 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-06 22:22:14,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:14 BoogieIcfgContainer [2023-11-06 22:22:14,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:22:14,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:22:14,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:22:14,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:22:14,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:22:06" (1/3) ... [2023-11-06 22:22:14,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792cf4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:14, skipping insertion in model container [2023-11-06 22:22:14,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:10" (2/3) ... [2023-11-06 22:22:14,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792cf4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:14, skipping insertion in model container [2023-11-06 22:22:14,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:14" (3/3) ... [2023-11-06 22:22:14,389 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2023-11-06 22:22:14,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:22:14,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:22:14,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:22:14,507 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=LoopsAndPotentialCycles, 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;@176115d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:22:14,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:22:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 110 states have (on average 1.3181818181818181) internal successors, (145), 109 states have internal predecessors, (145), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:22:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:22:14,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:14,561 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:14,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:14,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash 578118493, now seen corresponding path program 1 times [2023-11-06 22:22:14,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:14,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883134691] [2023-11-06 22:22:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:14,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:14,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:14,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:22:14,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:22:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:15,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:22:15,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:22:15,860 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:15,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:15,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883134691] [2023-11-06 22:22:15,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883134691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:15,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:15,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:22:15,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500616045] [2023-11-06 22:22:15,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:15,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:22:15,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:15,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:22:15,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:22:15,934 INFO L87 Difference]: Start difference. First operand has 159 states, 110 states have (on average 1.3181818181818181) internal successors, (145), 109 states have internal predecessors, (145), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:22:16,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:16,042 INFO L93 Difference]: Finished difference Result 308 states and 443 transitions. [2023-11-06 22:22:16,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:22:16,045 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2023-11-06 22:22:16,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:16,069 INFO L225 Difference]: With dead ends: 308 [2023-11-06 22:22:16,069 INFO L226 Difference]: Without dead ends: 154 [2023-11-06 22:22:16,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:22:16,086 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:16,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:16,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-06 22:22:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2023-11-06 22:22:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 105 states have internal predecessors, (131), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-06 22:22:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 206 transitions. [2023-11-06 22:22:16,191 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 206 transitions. Word has length 46 [2023-11-06 22:22:16,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:16,197 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 206 transitions. [2023-11-06 22:22:16,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:22:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 206 transitions. [2023-11-06 22:22:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:22:16,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:16,203 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:16,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:16,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:16,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:16,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:16,421 INFO L85 PathProgramCache]: Analyzing trace with hash 634957785, now seen corresponding path program 1 times [2023-11-06 22:22:16,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:16,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663163739] [2023-11-06 22:22:16,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:16,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:16,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:16,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:22:16,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:22:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:17,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:22:17,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:17,690 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:17,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:17,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663163739] [2023-11-06 22:22:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663163739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:17,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:17,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:22:17,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182765500] [2023-11-06 22:22:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:17,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:22:17,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:17,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:22:17,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:17,696 INFO L87 Difference]: Start difference. First operand 154 states and 206 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:22:18,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:18,012 INFO L93 Difference]: Finished difference Result 295 states and 401 transitions. [2023-11-06 22:22:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:22:18,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2023-11-06 22:22:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:18,021 INFO L225 Difference]: With dead ends: 295 [2023-11-06 22:22:18,021 INFO L226 Difference]: Without dead ends: 157 [2023-11-06 22:22:18,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:18,023 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 72 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:18,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 663 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:22:18,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-06 22:22:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2023-11-06 22:22:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 108 states have internal predecessors, (133), 38 states have call successors, (38), 11 states have call predecessors, (38), 12 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2023-11-06 22:22:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 214 transitions. [2023-11-06 22:22:18,050 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 214 transitions. Word has length 46 [2023-11-06 22:22:18,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:18,051 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 214 transitions. [2023-11-06 22:22:18,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:22:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions. [2023-11-06 22:22:18,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 22:22:18,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:18,055 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:18,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:18,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:18,278 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:18,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:18,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1786021348, now seen corresponding path program 1 times [2023-11-06 22:22:18,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:18,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536531492] [2023-11-06 22:22:18,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:18,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:18,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:18,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:22:18,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:22:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:19,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 1409 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 22:22:19,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:19,788 INFO L351 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 [2023-11-06 22:22:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:20,647 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:20,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:20,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536531492] [2023-11-06 22:22:20,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536531492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:20,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:20,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:22:20,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918888506] [2023-11-06 22:22:20,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:20,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:22:20,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:20,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:22:20,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:22:20,652 INFO L87 Difference]: Start difference. First operand 157 states and 214 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-06 22:22:23,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:28,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:32,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:34,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:37,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:39,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:41,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:44,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:47,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:49,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:49,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:49,667 INFO L93 Difference]: Finished difference Result 429 states and 591 transitions. [2023-11-06 22:22:49,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:22:49,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 52 [2023-11-06 22:22:49,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:49,676 INFO L225 Difference]: With dead ends: 429 [2023-11-06 22:22:49,676 INFO L226 Difference]: Without dead ends: 288 [2023-11-06 22:22:49,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:22:49,681 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 235 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 19 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:49,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1543 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 617 Invalid, 10 Unknown, 0 Unchecked, 28.5s Time] [2023-11-06 22:22:49,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-11-06 22:22:49,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 284. [2023-11-06 22:22:49,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 194 states have (on average 1.2628865979381443) internal successors, (245), 201 states have internal predecessors, (245), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (82), 63 states have call predecessors, (82), 64 states have call successors, (82) [2023-11-06 22:22:49,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 393 transitions. [2023-11-06 22:22:49,755 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 393 transitions. Word has length 52 [2023-11-06 22:22:49,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:49,756 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 393 transitions. [2023-11-06 22:22:49,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-06 22:22:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 393 transitions. [2023-11-06 22:22:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:22:49,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:49,758 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:49,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:49,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:49,961 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:49,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:49,962 INFO L85 PathProgramCache]: Analyzing trace with hash 544221996, now seen corresponding path program 1 times [2023-11-06 22:22:49,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:49,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242919098] [2023-11-06 22:22:49,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:49,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:49,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:49,967 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:22:49,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:22:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:50,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:22:50,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:22:51,463 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:51,464 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:51,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242919098] [2023-11-06 22:22:51,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242919098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:51,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:51,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:22:51,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601549731] [2023-11-06 22:22:51,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:51,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:22:51,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:51,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:22:51,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:51,468 INFO L87 Difference]: Start difference. First operand 284 states and 393 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:22:54,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:54,155 INFO L93 Difference]: Finished difference Result 586 states and 840 transitions. [2023-11-06 22:22:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:22:54,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2023-11-06 22:22:54,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:54,165 INFO L225 Difference]: With dead ends: 586 [2023-11-06 22:22:54,165 INFO L226 Difference]: Without dead ends: 318 [2023-11-06 22:22:54,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:22:54,168 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 40 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:54,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 762 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-06 22:22:54,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-11-06 22:22:54,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 294. [2023-11-06 22:22:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 204 states have (on average 1.2696078431372548) internal successors, (259), 211 states have internal predecessors, (259), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (82), 63 states have call predecessors, (82), 64 states have call successors, (82) [2023-11-06 22:22:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 407 transitions. [2023-11-06 22:22:54,230 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 407 transitions. Word has length 56 [2023-11-06 22:22:54,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:54,231 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 407 transitions. [2023-11-06 22:22:54,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:22:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 407 transitions. [2023-11-06 22:22:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:22:54,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:54,234 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:54,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:54,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:54,450 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:54,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:54,451 INFO L85 PathProgramCache]: Analyzing trace with hash 34748906, now seen corresponding path program 1 times [2023-11-06 22:22:54,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:54,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099504018] [2023-11-06 22:22:54,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:54,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:54,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:54,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:22:54,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 22:22:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:55,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:22:55,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:22:57,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:57,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:57,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099504018] [2023-11-06 22:22:57,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099504018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:57,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:57,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:22:57,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429282276] [2023-11-06 22:22:57,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:57,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:22:57,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:57,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:22:57,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:22:57,473 INFO L87 Difference]: Start difference. First operand 294 states and 407 transitions. Second operand has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:23:01,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:23:08,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:08,578 INFO L93 Difference]: Finished difference Result 595 states and 855 transitions. [2023-11-06 22:23:08,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:23:08,582 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 56 [2023-11-06 22:23:08,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:08,587 INFO L225 Difference]: With dead ends: 595 [2023-11-06 22:23:08,587 INFO L226 Difference]: Without dead ends: 316 [2023-11-06 22:23:08,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:23:08,590 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 39 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 2041 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:08,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 2041 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2023-11-06 22:23:08,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2023-11-06 22:23:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 303. [2023-11-06 22:23:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 212 states have (on average 1.259433962264151) internal successors, (267), 220 states have internal predecessors, (267), 66 states have call successors, (66), 19 states have call predecessors, (66), 24 states have return successors, (89), 63 states have call predecessors, (89), 64 states have call successors, (89) [2023-11-06 22:23:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 422 transitions. [2023-11-06 22:23:08,644 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 422 transitions. Word has length 56 [2023-11-06 22:23:08,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:08,645 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 422 transitions. [2023-11-06 22:23:08,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:23:08,645 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 422 transitions. [2023-11-06 22:23:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:23:08,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:08,647 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:08,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:08,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:08,870 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:08,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:08,870 INFO L85 PathProgramCache]: Analyzing trace with hash 471835438, now seen corresponding path program 1 times [2023-11-06 22:23:08,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:08,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6616749] [2023-11-06 22:23:08,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:08,872 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:08,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:08,873 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:23:08,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-06 22:23:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:09,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:23:09,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:10,004 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:10,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:10,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6616749] [2023-11-06 22:23:10,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6616749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:10,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:10,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:23:10,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453514828] [2023-11-06 22:23:10,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:10,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:10,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:10,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:10,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:10,008 INFO L87 Difference]: Start difference. First operand 303 states and 422 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:23:10,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:10,102 INFO L93 Difference]: Finished difference Result 613 states and 868 transitions. [2023-11-06 22:23:10,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:23:10,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2023-11-06 22:23:10,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:10,107 INFO L225 Difference]: With dead ends: 613 [2023-11-06 22:23:10,107 INFO L226 Difference]: Without dead ends: 326 [2023-11-06 22:23:10,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:10,111 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 28 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:10,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 621 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-11-06 22:23:10,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 303. [2023-11-06 22:23:10,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 212 states have (on average 1.25) internal successors, (265), 220 states have internal predecessors, (265), 66 states have call successors, (66), 19 states have call predecessors, (66), 24 states have return successors, (89), 63 states have call predecessors, (89), 64 states have call successors, (89) [2023-11-06 22:23:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 420 transitions. [2023-11-06 22:23:10,158 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 420 transitions. Word has length 56 [2023-11-06 22:23:10,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:10,158 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 420 transitions. [2023-11-06 22:23:10,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:23:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 420 transitions. [2023-11-06 22:23:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:23:10,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:10,169 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:10,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:10,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:10,385 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:10,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:10,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1173435312, now seen corresponding path program 1 times [2023-11-06 22:23:10,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:10,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988727085] [2023-11-06 22:23:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:10,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:10,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:10,390 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:23:10,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-06 22:23:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:23:11,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:23:11,334 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:11,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:11,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988727085] [2023-11-06 22:23:11,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988727085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:11,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:11,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:23:11,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819871677] [2023-11-06 22:23:11,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:11,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:23:11,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:11,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:23:11,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:23:11,336 INFO L87 Difference]: Start difference. First operand 303 states and 420 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:23:11,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:11,677 INFO L93 Difference]: Finished difference Result 600 states and 841 transitions. [2023-11-06 22:23:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:11,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 56 [2023-11-06 22:23:11,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:11,681 INFO L225 Difference]: With dead ends: 600 [2023-11-06 22:23:11,681 INFO L226 Difference]: Without dead ends: 313 [2023-11-06 22:23:11,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:23:11,684 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 13 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:11,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1528 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:23:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-06 22:23:11,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 303. [2023-11-06 22:23:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 212 states have (on average 1.25) internal successors, (265), 220 states have internal predecessors, (265), 66 states have call successors, (66), 19 states have call predecessors, (66), 24 states have return successors, (89), 63 states have call predecessors, (89), 64 states have call successors, (89) [2023-11-06 22:23:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 420 transitions. [2023-11-06 22:23:11,718 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 420 transitions. Word has length 56 [2023-11-06 22:23:11,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:11,719 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 420 transitions. [2023-11-06 22:23:11,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:23:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 420 transitions. [2023-11-06 22:23:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:23:11,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:11,720 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:11,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:11,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:11,934 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:11,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:11,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1413566283, now seen corresponding path program 1 times [2023-11-06 22:23:11,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:11,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286271202] [2023-11-06 22:23:11,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:11,936 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:11,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:11,937 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:23:11,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-06 22:23:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:12,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:12,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:23:13,032 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:13,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:13,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286271202] [2023-11-06 22:23:13,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286271202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:13,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:13,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:13,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293771508] [2023-11-06 22:23:13,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:13,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:13,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:13,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:13,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:13,034 INFO L87 Difference]: Start difference. First operand 303 states and 420 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 22:23:13,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:13,156 INFO L93 Difference]: Finished difference Result 419 states and 567 transitions. [2023-11-06 22:23:13,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:23:13,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2023-11-06 22:23:13,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:13,160 INFO L225 Difference]: With dead ends: 419 [2023-11-06 22:23:13,161 INFO L226 Difference]: Without dead ends: 314 [2023-11-06 22:23:13,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:23:13,162 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 3 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:13,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1006 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:13,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-11-06 22:23:13,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 309. [2023-11-06 22:23:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 218 states have (on average 1.2431192660550459) internal successors, (271), 226 states have internal predecessors, (271), 66 states have call successors, (66), 19 states have call predecessors, (66), 24 states have return successors, (89), 63 states have call predecessors, (89), 64 states have call successors, (89) [2023-11-06 22:23:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 426 transitions. [2023-11-06 22:23:13,194 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 426 transitions. Word has length 58 [2023-11-06 22:23:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:13,194 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 426 transitions. [2023-11-06 22:23:13,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 22:23:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 426 transitions. [2023-11-06 22:23:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:23:13,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:13,196 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:13,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:13,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:13,419 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:13,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:13,419 INFO L85 PathProgramCache]: Analyzing trace with hash -820752772, now seen corresponding path program 1 times [2023-11-06 22:23:13,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:13,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354842870] [2023-11-06 22:23:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:13,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:13,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:13,424 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:23:13,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-06 22:23:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 1429 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:23:14,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:23:14,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:14,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:14,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354842870] [2023-11-06 22:23:14,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354842870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:14,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:14,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:14,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458841456] [2023-11-06 22:23:14,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:14,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:14,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:14,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:14,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:14,494 INFO L87 Difference]: Start difference. First operand 309 states and 426 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-06 22:23:14,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:14,832 INFO L93 Difference]: Finished difference Result 592 states and 814 transitions. [2023-11-06 22:23:14,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:23:14,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 66 [2023-11-06 22:23:14,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:14,836 INFO L225 Difference]: With dead ends: 592 [2023-11-06 22:23:14,836 INFO L226 Difference]: Without dead ends: 309 [2023-11-06 22:23:14,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:23:14,838 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 113 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:14,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 627 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:23:14,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-11-06 22:23:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2023-11-06 22:23:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 218 states have (on average 1.2431192660550459) internal successors, (271), 226 states have internal predecessors, (271), 66 states have call successors, (66), 19 states have call predecessors, (66), 24 states have return successors, (86), 63 states have call predecessors, (86), 64 states have call successors, (86) [2023-11-06 22:23:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 423 transitions. [2023-11-06 22:23:14,868 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 423 transitions. Word has length 66 [2023-11-06 22:23:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:14,869 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 423 transitions. [2023-11-06 22:23:14,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-06 22:23:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 423 transitions. [2023-11-06 22:23:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:23:14,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:14,870 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:14,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:15,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:15,089 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:15,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:15,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1474350737, now seen corresponding path program 1 times [2023-11-06 22:23:15,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:15,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338874630] [2023-11-06 22:23:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:15,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:15,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:15,099 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:23:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5898d2a7-9ca2-4f14-bd5e-2bc4ccdc6172/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-06 22:23:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:16,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 1442 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:23:16,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:18,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:29,181 WARN L293 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 250 DAG size of output: 227 (called from [L 319] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-06 22:23:29,182 INFO L322 Elim1Store]: treesize reduction 81, result has 90.1 percent of original size [2023-11-06 22:23:29,183 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 132 treesize of output 771