./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e2fe4853cb1b3e71bc40ffc508ef15031942a963e69ef7c7092b9454f87d180b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:35,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:35,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:06:35,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:35,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:35,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:35,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:35,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:35,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:06:35,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:06:35,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:35,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:35,704 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:35,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:35,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:06:35,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:35,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:35,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:06:35,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:06:35,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:06:35,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:35,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:35,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:35,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:35,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:06:35,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:35,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:35,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:06:35,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:06:35,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:35,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:06:35,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:06:35,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:06:35,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:06:35,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:06:35,715 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:06:35,715 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_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2fe4853cb1b3e71bc40ffc508ef15031942a963e69ef7c7092b9454f87d180b [2023-11-12 02:06:36,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:36,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:36,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:36,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:36,113 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:36,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i [2023-11-12 02:06:39,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:39,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:39,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i [2023-11-12 02:06:39,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/data/2c0823c8c/7ae60c4296c04c37a9519356248c80aa/FLAG373490ec4 [2023-11-12 02:06:40,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/data/2c0823c8c/7ae60c4296c04c37a9519356248c80aa [2023-11-12 02:06:40,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:40,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:40,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:40,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:40,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efa2aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40, skipping insertion in model container [2023-11-12 02:06:40,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:40,518 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_29ea3192-dc61-4e28-9077-034fe01fee2f/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i[4487,4500] [2023-11-12 02:06:40,529 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_29ea3192-dc61-4e28-9077-034fe01fee2f/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i[4547,4560] [2023-11-12 02:06:41,819 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:41,821 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:41,821 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:41,822 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:41,824 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:41,847 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:41,857 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:41,860 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:41,865 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:42,437 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 02:06:42,443 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 02:06:42,445 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 02:06:42,450 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 02:06:42,452 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 02:06:42,453 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 02:06:42,455 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 02:06:42,457 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 02:06:42,459 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 02:06:42,462 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 02:06:42,842 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:42,843 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:42,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:42,932 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:42,961 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_29ea3192-dc61-4e28-9077-034fe01fee2f/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i[4487,4500] [2023-11-12 02:06:42,961 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_29ea3192-dc61-4e28-9077-034fe01fee2f/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i[4547,4560] [2023-11-12 02:06:43,007 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,012 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,020 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,021 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,021 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,030 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,036 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,037 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,045 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,093 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 02:06:43,095 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 02:06:43,096 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 02:06:43,098 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 02:06:43,099 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 02:06:43,100 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 02:06:43,101 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 02:06:43,102 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 02:06:43,106 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 02:06:43,113 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 02:06:43,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8556] [2023-11-12 02:06:43,296 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,297 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:06:43,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:43,589 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,590 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,590 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,591 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,592 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,592 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,592 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,592 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,592 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,593 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,593 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,593 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,593 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,594 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,594 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,594 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,594 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:43,602 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:43,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43 WrapperNode [2023-11-12 02:06:43,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:43,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:43,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:43,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:43,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,829 INFO L138 Inliner]: procedures = 680, calls = 2275, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 384 [2023-11-12 02:06:43,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:43,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:43,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:43,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:43,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:43,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:43,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:43,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:43,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (1/1) ... [2023-11-12 02:06:43,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:43,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:43,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-12 02:06:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-12 02:06:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-12 02:06:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-12 02:06:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:06:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 02:06:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 02:06:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:06:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 02:06:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 02:06:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:06:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:06:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:06:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 02:06:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 02:06:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:06:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:06:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2023-11-12 02:06:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2023-11-12 02:06:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:06:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-12 02:06:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-12 02:06:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-12 02:06:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-12 02:06:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:06:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:06:44,347 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:44,349 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:44,898 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:44,907 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:44,907 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:06:44,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:44 BoogieIcfgContainer [2023-11-12 02:06:44,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:44,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:06:44,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:06:44,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:06:44,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:06:40" (1/3) ... [2023-11-12 02:06:44,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f66ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:44, skipping insertion in model container [2023-11-12 02:06:44,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:43" (2/3) ... [2023-11-12 02:06:44,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f66ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:44, skipping insertion in model container [2023-11-12 02:06:44,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:44" (3/3) ... [2023-11-12 02:06:44,920 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_harness_negated.i [2023-11-12 02:06:44,938 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:06:44,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:06:44,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:06:45,000 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37c5ca30, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:06:45,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:06:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 66 states have internal predecessors, (81), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 02:06:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 02:06:45,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:45,017 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 02:06:45,017 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:45,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:45,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1135633648, now seen corresponding path program 1 times [2023-11-12 02:06:45,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:45,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800530450] [2023-11-12 02:06:45,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:45,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:45,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:45,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:06:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:06:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-12 02:06:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 02:06:45,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:45,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800530450] [2023-11-12 02:06:45,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800530450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:45,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:45,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:06:45,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557642744] [2023-11-12 02:06:45,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:45,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:06:45,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:45,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:06:45,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:06:45,681 INFO L87 Difference]: Start difference. First operand has 102 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 66 states have internal predecessors, (81), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 02:06:45,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:45,733 INFO L93 Difference]: Finished difference Result 199 states and 274 transitions. [2023-11-12 02:06:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:06:45,737 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2023-11-12 02:06:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:45,751 INFO L225 Difference]: With dead ends: 199 [2023-11-12 02:06:45,752 INFO L226 Difference]: Without dead ends: 97 [2023-11-12 02:06:45,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:06:45,768 INFO L413 NwaCegarLoop]: 131 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, 131 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 [2023-11-12 02:06:45,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:45,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-12 02:06:45,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-12 02:06:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 62 states have internal predecessors, (74), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:06:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 125 transitions. [2023-11-12 02:06:45,844 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 125 transitions. Word has length 35 [2023-11-12 02:06:45,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:45,846 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 125 transitions. [2023-11-12 02:06:45,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 02:06:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2023-11-12 02:06:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 02:06:45,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:45,860 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 02:06:45,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:06:45,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:45,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:45,862 INFO L85 PathProgramCache]: Analyzing trace with hash -157446480, now seen corresponding path program 1 times [2023-11-12 02:06:45,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:45,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589460052] [2023-11-12 02:06:45,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:45,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:06:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:06:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-12 02:06:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 02:06:46,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:46,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589460052] [2023-11-12 02:06:46,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589460052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:46,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:46,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:06:46,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253617749] [2023-11-12 02:06:46,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:46,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:06:46,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:46,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:06:46,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:46,421 INFO L87 Difference]: Start difference. First operand 97 states and 125 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 02:06:46,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:46,485 INFO L93 Difference]: Finished difference Result 155 states and 202 transitions. [2023-11-12 02:06:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:06:46,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2023-11-12 02:06:46,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:46,488 INFO L225 Difference]: With dead ends: 155 [2023-11-12 02:06:46,488 INFO L226 Difference]: Without dead ends: 97 [2023-11-12 02:06:46,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:46,491 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 10 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:46,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 360 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:46,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-12 02:06:46,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-12 02:06:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 62 states have internal predecessors, (73), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:06:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2023-11-12 02:06:46,507 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 35 [2023-11-12 02:06:46,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:46,508 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2023-11-12 02:06:46,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 02:06:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2023-11-12 02:06:46,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 02:06:46,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:46,512 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:46,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:06:46,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:46,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,513 INFO L85 PathProgramCache]: Analyzing trace with hash -798036876, now seen corresponding path program 1 times [2023-11-12 02:06:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:46,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989378925] [2023-11-12 02:06:46,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:06:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:06:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-12 02:06:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:06:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:06:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-12 02:06:48,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:48,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989378925] [2023-11-12 02:06:48,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989378925] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:48,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265475665] [2023-11-12 02:06:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:48,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:48,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:06:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-12 02:06:48,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-12 02:06:49,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:49,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265475665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:49,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:06:49,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [19] total 24 [2023-11-12 02:06:49,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284584206] [2023-11-12 02:06:49,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:49,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 02:06:49,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:49,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 02:06:49,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2023-11-12 02:06:49,135 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 11 states have internal predecessors, (38), 5 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2023-11-12 02:06:49,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:49,549 INFO L93 Difference]: Finished difference Result 164 states and 214 transitions. [2023-11-12 02:06:49,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-12 02:06:49,551 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 11 states have internal predecessors, (38), 5 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) Word has length 69 [2023-11-12 02:06:49,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:49,553 INFO L225 Difference]: With dead ends: 164 [2023-11-12 02:06:49,556 INFO L226 Difference]: Without dead ends: 113 [2023-11-12 02:06:49,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2023-11-12 02:06:49,560 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 59 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:49,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1252 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:06:49,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-12 02:06:49,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2023-11-12 02:06:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 66 states have (on average 1.196969696969697) internal successors, (79), 67 states have internal predecessors, (79), 28 states have call successors, (28), 9 states have call predecessors, (28), 9 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:06:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 134 transitions. [2023-11-12 02:06:49,589 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 134 transitions. Word has length 69 [2023-11-12 02:06:49,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:49,591 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 134 transitions. [2023-11-12 02:06:49,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 11 states have internal predecessors, (38), 5 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2023-11-12 02:06:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2023-11-12 02:06:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-12 02:06:49,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:49,604 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:49,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:49,811 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:49,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:49,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1866451885, now seen corresponding path program 1 times [2023-11-12 02:06:49,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:49,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422438690] [2023-11-12 02:06:49,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:49,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:06:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:06:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-12 02:06:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:06:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:06:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:06:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-12 02:06:51,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:51,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422438690] [2023-11-12 02:06:51,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422438690] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:51,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203139887] [2023-11-12 02:06:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:51,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:51,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:06:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-12 02:06:51,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-12 02:06:51,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:51,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203139887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:51,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:06:51,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17] total 25 [2023-11-12 02:06:51,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346270347] [2023-11-12 02:06:51,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:51,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 02:06:51,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:51,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 02:06:51,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2023-11-12 02:06:51,908 INFO L87 Difference]: Start difference. First operand 104 states and 134 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-12 02:06:52,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:52,245 INFO L93 Difference]: Finished difference Result 154 states and 197 transitions. [2023-11-12 02:06:52,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:06:52,246 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) Word has length 78 [2023-11-12 02:06:52,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:52,254 INFO L225 Difference]: With dead ends: 154 [2023-11-12 02:06:52,254 INFO L226 Difference]: Without dead ends: 116 [2023-11-12 02:06:52,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=851, Unknown=0, NotChecked=0, Total=930 [2023-11-12 02:06:52,256 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 43 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:52,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1387 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:06:52,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-12 02:06:52,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2023-11-12 02:06:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 72 states have internal predecessors, (84), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-12 02:06:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 145 transitions. [2023-11-12 02:06:52,272 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 145 transitions. Word has length 78 [2023-11-12 02:06:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:52,273 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 145 transitions. [2023-11-12 02:06:52,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-12 02:06:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-11-12 02:06:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 02:06:52,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:52,277 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:52,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:52,484 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:52,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:52,484 INFO L85 PathProgramCache]: Analyzing trace with hash 277212335, now seen corresponding path program 1 times [2023-11-12 02:06:52,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:52,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372483456] [2023-11-12 02:06:52,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:52,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:06:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:06:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-12 02:06:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:06:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:06:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:06:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-12 02:06:53,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:53,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372483456] [2023-11-12 02:06:53,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372483456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:53,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:53,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:06:53,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118070107] [2023-11-12 02:06:53,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:53,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:06:53,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:53,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:06:53,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:53,041 INFO L87 Difference]: Start difference. First operand 112 states and 145 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:06:53,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:53,412 INFO L93 Difference]: Finished difference Result 166 states and 214 transitions. [2023-11-12 02:06:53,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:06:53,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 79 [2023-11-12 02:06:53,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:53,415 INFO L225 Difference]: With dead ends: 166 [2023-11-12 02:06:53,415 INFO L226 Difference]: Without dead ends: 110 [2023-11-12 02:06:53,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:53,417 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 37 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:53,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 275 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:06:53,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-12 02:06:53,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2023-11-12 02:06:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 69 states have (on average 1.173913043478261) internal successors, (81), 70 states have internal predecessors, (81), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-12 02:06:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 140 transitions. [2023-11-12 02:06:53,432 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 140 transitions. Word has length 79 [2023-11-12 02:06:53,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:53,433 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 140 transitions. [2023-11-12 02:06:53,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:06:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 140 transitions. [2023-11-12 02:06:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-12 02:06:53,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:53,435 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 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] [2023-11-12 02:06:53,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:06:53,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:53,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:53,436 INFO L85 PathProgramCache]: Analyzing trace with hash 513075010, now seen corresponding path program 1 times [2023-11-12 02:06:53,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:53,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975260275] [2023-11-12 02:06:53,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:53,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:06:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:06:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-12 02:06:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:06:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:06:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:06:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:06:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 28 proven. 12 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-12 02:06:54,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:54,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975260275] [2023-11-12 02:06:54,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975260275] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:54,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033538102] [2023-11-12 02:06:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:54,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:54,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:54,861 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:54,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:06:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:55,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 02:06:55,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-12 02:06:55,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:06:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 02:06:55,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033538102] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:06:55,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:06:55,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 26 [2023-11-12 02:06:55,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844502519] [2023-11-12 02:06:55,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:06:55,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-12 02:06:55,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:55,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-12 02:06:55,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=596, Unknown=0, NotChecked=0, Total=650 [2023-11-12 02:06:55,647 INFO L87 Difference]: Start difference. First operand 109 states and 140 transitions. Second operand has 26 states, 24 states have (on average 2.9166666666666665) internal successors, (70), 19 states have internal predecessors, (70), 9 states have call successors, (25), 4 states have call predecessors, (25), 7 states have return successors, (24), 12 states have call predecessors, (24), 9 states have call successors, (24) [2023-11-12 02:06:56,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:56,543 INFO L93 Difference]: Finished difference Result 142 states and 174 transitions. [2023-11-12 02:06:56,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:06:56,544 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 2.9166666666666665) internal successors, (70), 19 states have internal predecessors, (70), 9 states have call successors, (25), 4 states have call predecessors, (25), 7 states have return successors, (24), 12 states have call predecessors, (24), 9 states have call successors, (24) Word has length 103 [2023-11-12 02:06:56,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:56,545 INFO L225 Difference]: With dead ends: 142 [2023-11-12 02:06:56,545 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:06:56,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=1269, Unknown=0, NotChecked=0, Total=1406 [2023-11-12 02:06:56,547 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 37 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:56,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 336 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:06:56,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:06:56,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:06:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:06:56,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2023-11-12 02:06:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:56,550 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:06:56,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 2.9166666666666665) internal successors, (70), 19 states have internal predecessors, (70), 9 states have call successors, (25), 4 states have call predecessors, (25), 7 states have return successors, (24), 12 states have call predecessors, (24), 9 states have call successors, (24) [2023-11-12 02:06:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:06:56,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:06:56,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:06:56,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 02:06:56,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:06:56,968 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6789 6793) no Hoare annotation was computed. [2023-11-12 02:06:56,968 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_returnLabel#1(lines 6795 6805) no Hoare annotation was computed. [2023-11-12 02:06:56,969 INFO L899 garLoopResultBuilder]: For program point L6799-1(lines 6799 6800) no Hoare annotation was computed. [2023-11-12 02:06:56,969 INFO L895 garLoopResultBuilder]: At program point L6799(line 6799) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2023-11-12 02:06:56,969 INFO L899 garLoopResultBuilder]: For program point L6799-5(lines 6799 6800) no Hoare annotation was computed. [2023-11-12 02:06:56,970 INFO L899 garLoopResultBuilder]: For program point L6796-1(line 6796) no Hoare annotation was computed. [2023-11-12 02:06:56,970 INFO L895 garLoopResultBuilder]: At program point L6796(line 6796) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)))) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (or (< 0 (+ (div |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) (div (+ (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 15) 18446744073709551616) 1)) .cse0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (< 0 (+ (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) (div (+ 15 (* (- 1) |ensure_string_is_allocated_bounded_length_~len~1#1|)) 18446744073709551616) 1)) .cse0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2023-11-12 02:06:56,970 INFO L899 garLoopResultBuilder]: For program point L6799-3(line 6799) no Hoare annotation was computed. [2023-11-12 02:06:56,971 INFO L895 garLoopResultBuilder]: At program point L6799-2(line 6799) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2023-11-12 02:06:56,971 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6789 6793) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-12 02:06:56,971 INFO L895 garLoopResultBuilder]: At program point L6790(line 6790) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-12 02:06:56,971 INFO L899 garLoopResultBuilder]: For program point L6791-1(line 6791) no Hoare annotation was computed. [2023-11-12 02:06:56,971 INFO L895 garLoopResultBuilder]: At program point L6791(line 6791) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-12 02:06:56,973 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6789 6793) no Hoare annotation was computed. [2023-11-12 02:06:56,973 INFO L899 garLoopResultBuilder]: For program point L6790-1(line 6790) no Hoare annotation was computed. [2023-11-12 02:06:56,973 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6871 6876) no Hoare annotation was computed. [2023-11-12 02:06:56,974 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6871 6876) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:06:56,974 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6871 6876) no Hoare annotation was computed. [2023-11-12 02:06:56,974 INFO L899 garLoopResultBuilder]: For program point L6872-1(lines 6872 6874) no Hoare annotation was computed. [2023-11-12 02:06:56,974 INFO L895 garLoopResultBuilder]: At program point L6872(lines 6872 6874) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:06:56,974 INFO L899 garLoopResultBuilder]: For program point L8000(lines 8000 8004) no Hoare annotation was computed. [2023-11-12 02:06:56,974 INFO L899 garLoopResultBuilder]: For program point aws_array_eqEXIT(lines 7987 8007) no Hoare annotation was computed. [2023-11-12 02:06:56,975 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7987 8007) the Hoare annotation is: true [2023-11-12 02:06:56,975 INFO L899 garLoopResultBuilder]: For program point L7991(lines 7988 8007) no Hoare annotation was computed. [2023-11-12 02:06:56,975 INFO L899 garLoopResultBuilder]: For program point aws_array_eqFINAL(lines 7987 8007) no Hoare annotation was computed. [2023-11-12 02:06:56,975 INFO L902 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: true [2023-11-12 02:06:56,975 INFO L902 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: true [2023-11-12 02:06:56,975 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2023-11-12 02:06:56,976 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-12 02:06:56,976 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-12 02:06:56,976 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-12 02:06:56,976 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-12 02:06:56,976 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-12 02:06:56,976 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-12 02:06:56,976 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6878 6880) no Hoare annotation was computed. [2023-11-12 02:06:56,977 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6878 6880) the Hoare annotation is: true [2023-11-12 02:06:56,977 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6878 6880) no Hoare annotation was computed. [2023-11-12 02:06:56,977 INFO L899 garLoopResultBuilder]: For program point L6245-5(line 6245) no Hoare annotation was computed. [2023-11-12 02:06:56,977 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6241 6246) no Hoare annotation was computed. [2023-11-12 02:06:56,977 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6241 6246) the Hoare annotation is: true [2023-11-12 02:06:56,977 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6241 6246) no Hoare annotation was computed. [2023-11-12 02:06:56,978 INFO L899 garLoopResultBuilder]: For program point L6245-2(line 6245) no Hoare annotation was computed. [2023-11-12 02:06:56,978 INFO L899 garLoopResultBuilder]: For program point L6245-3(line 6245) no Hoare annotation was computed. [2023-11-12 02:06:56,978 INFO L899 garLoopResultBuilder]: For program point L6245(line 6245) no Hoare annotation was computed. [2023-11-12 02:06:56,978 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-12 02:06:56,978 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2023-11-12 02:06:56,978 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-12 02:06:56,978 INFO L899 garLoopResultBuilder]: For program point L7389(lines 7389 7397) no Hoare annotation was computed. [2023-11-12 02:06:56,979 INFO L899 garLoopResultBuilder]: For program point L8884(lines 8884 8889) no Hoare annotation was computed. [2023-11-12 02:06:56,979 INFO L899 garLoopResultBuilder]: For program point L7096-1(lines 7096 7098) no Hoare annotation was computed. [2023-11-12 02:06:56,979 INFO L895 garLoopResultBuilder]: At program point L7096(lines 7096 7098) the Hoare annotation is: false [2023-11-12 02:06:56,979 INFO L895 garLoopResultBuilder]: At program point L8888(line 8888) the Hoare annotation is: false [2023-11-12 02:06:56,979 INFO L895 garLoopResultBuilder]: At program point L8888-1(line 8888) the Hoare annotation is: false [2023-11-12 02:06:56,979 INFO L899 garLoopResultBuilder]: For program point L8888-2(line 8888) no Hoare annotation was computed. [2023-11-12 02:06:56,979 INFO L899 garLoopResultBuilder]: For program point L8880-3(line 8880) no Hoare annotation was computed. [2023-11-12 02:06:56,980 INFO L899 garLoopResultBuilder]: For program point L8880-5(lines 8880 8881) no Hoare annotation was computed. [2023-11-12 02:06:56,980 INFO L899 garLoopResultBuilder]: For program point L7088(lines 7088 7101) no Hoare annotation was computed. [2023-11-12 02:06:56,980 INFO L902 garLoopResultBuilder]: At program point L8880(line 8880) the Hoare annotation is: true [2023-11-12 02:06:56,980 INFO L899 garLoopResultBuilder]: For program point L8880-1(lines 8880 8881) no Hoare annotation was computed. [2023-11-12 02:06:56,980 INFO L902 garLoopResultBuilder]: At program point L8880-2(line 8880) the Hoare annotation is: true [2023-11-12 02:06:56,980 INFO L895 garLoopResultBuilder]: At program point L7398(line 7398) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 02:06:56,981 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(line 8891) no Hoare annotation was computed. [2023-11-12 02:06:56,981 INFO L899 garLoopResultBuilder]: For program point L7398-1(line 7398) no Hoare annotation was computed. [2023-11-12 02:06:56,981 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:06:56,981 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:06:56,981 INFO L899 garLoopResultBuilder]: For program point L7382(line 7382) no Hoare annotation was computed. [2023-11-12 02:06:56,981 INFO L895 garLoopResultBuilder]: At program point L8885(line 8885) the Hoare annotation is: false [2023-11-12 02:06:56,981 INFO L899 garLoopResultBuilder]: For program point L8885-1(line 8885) no Hoare annotation was computed. [2023-11-12 02:06:56,982 INFO L895 garLoopResultBuilder]: At program point L7382-4(line 7382) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 02:06:56,982 INFO L899 garLoopResultBuilder]: For program point L7382-3(line 7382) no Hoare annotation was computed. [2023-11-12 02:06:56,982 INFO L895 garLoopResultBuilder]: At program point L7382-2(line 7382) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 02:06:56,982 INFO L899 garLoopResultBuilder]: For program point L7089-1(lines 7088 7101) no Hoare annotation was computed. [2023-11-12 02:06:56,982 INFO L899 garLoopResultBuilder]: For program point L7382-5(line 7382) no Hoare annotation was computed. [2023-11-12 02:06:56,982 INFO L895 garLoopResultBuilder]: At program point L7089(line 7089) the Hoare annotation is: false [2023-11-12 02:06:56,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:06:56,983 INFO L899 garLoopResultBuilder]: For program point L7383(line 7383) no Hoare annotation was computed. [2023-11-12 02:06:56,983 INFO L899 garLoopResultBuilder]: For program point L7383-5(line 7383) no Hoare annotation was computed. [2023-11-12 02:06:56,983 INFO L895 garLoopResultBuilder]: At program point L7383-4(line 7383) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 02:06:56,983 INFO L899 garLoopResultBuilder]: For program point L7383-3(line 7383) no Hoare annotation was computed. [2023-11-12 02:06:56,983 INFO L895 garLoopResultBuilder]: At program point L7383-2(line 7383) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 02:06:56,983 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:06:56,984 INFO L899 garLoopResultBuilder]: For program point aws_string_eq_returnLabel#1(lines 7380 7399) no Hoare annotation was computed. [2023-11-12 02:06:56,984 INFO L899 garLoopResultBuilder]: For program point L7099-1(line 7099) no Hoare annotation was computed. [2023-11-12 02:06:56,984 INFO L895 garLoopResultBuilder]: At program point L7099(line 7099) the Hoare annotation is: false [2023-11-12 02:06:56,984 INFO L899 garLoopResultBuilder]: For program point L7095-1(line 7095) no Hoare annotation was computed. [2023-11-12 02:06:56,984 INFO L899 garLoopResultBuilder]: For program point L8887-2(line 8887) no Hoare annotation was computed. [2023-11-12 02:06:56,984 INFO L895 garLoopResultBuilder]: At program point L7095(line 7095) the Hoare annotation is: false [2023-11-12 02:06:56,985 INFO L895 garLoopResultBuilder]: At program point L8883(line 8883) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 02:06:56,985 INFO L899 garLoopResultBuilder]: For program point L7384(lines 7384 7388) no Hoare annotation was computed. [2023-11-12 02:06:56,985 INFO L899 garLoopResultBuilder]: For program point L8883-1(line 8883) no Hoare annotation was computed. [2023-11-12 02:06:56,985 INFO L895 garLoopResultBuilder]: At program point L8887(line 8887) the Hoare annotation is: false [2023-11-12 02:06:56,985 INFO L895 garLoopResultBuilder]: At program point L8887-1(line 8887) the Hoare annotation is: false [2023-11-12 02:06:56,985 INFO L895 garLoopResultBuilder]: At program point L8883-3(line 8883) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 02:06:56,986 INFO L899 garLoopResultBuilder]: For program point L8883-4(line 8883) no Hoare annotation was computed. [2023-11-12 02:06:56,986 INFO L899 garLoopResultBuilder]: For program point L8879(lines 8879 8890) no Hoare annotation was computed. [2023-11-12 02:06:56,986 INFO L899 garLoopResultBuilder]: For program point L8883-5(line 8883) no Hoare annotation was computed. [2023-11-12 02:06:56,986 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-12 02:06:56,986 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-12 02:06:56,986 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-12 02:06:56,986 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-12 02:06:56,987 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-12 02:06:56,987 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-12 02:06:56,990 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:06:56,992 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:06:56,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:06:56 BoogieIcfgContainer [2023-11-12 02:06:56,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:06:56,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:06:56,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:06:56,999 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:06:57,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:44" (3/4) ... [2023-11-12 02:06:57,002 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:06:57,007 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2023-11-12 02:06:57,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-12 02:06:57,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq [2023-11-12 02:06:57,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-12 02:06:57,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-12 02:06:57,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 02:06:57,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 02:06:57,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-12 02:06:57,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-11-12 02:06:57,019 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-12 02:06:57,020 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:06:57,021 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 02:06:57,022 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:06:57,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:06:57,276 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:06:57,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:06:57,277 INFO L158 Benchmark]: Toolchain (without parser) took 17260.00ms. Allocated memory was 174.1MB in the beginning and 373.3MB in the end (delta: 199.2MB). Free memory was 119.7MB in the beginning and 297.9MB in the end (delta: -178.2MB). Peak memory consumption was 191.2MB. Max. memory is 16.1GB. [2023-11-12 02:06:57,277 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 174.1MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:06:57,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3586.38ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 119.7MB in the beginning and 187.1MB in the end (delta: -67.3MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2023-11-12 02:06:57,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.56ms. Allocated memory is still 251.7MB. Free memory was 187.1MB in the beginning and 178.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:06:57,278 INFO L158 Benchmark]: Boogie Preprocessor took 96.20ms. Allocated memory is still 251.7MB. Free memory was 178.7MB in the beginning and 173.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:06:57,279 INFO L158 Benchmark]: RCFGBuilder took 982.92ms. Allocated memory is still 251.7MB. Free memory was 173.4MB in the beginning and 132.5MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-12 02:06:57,279 INFO L158 Benchmark]: TraceAbstraction took 12085.64ms. Allocated memory was 251.7MB in the beginning and 310.4MB in the end (delta: 58.7MB). Free memory was 131.5MB in the beginning and 75.1MB in the end (delta: 56.4MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2023-11-12 02:06:57,280 INFO L158 Benchmark]: Witness Printer took 277.34ms. Allocated memory was 310.4MB in the beginning and 373.3MB in the end (delta: 62.9MB). Free memory was 75.1MB in the beginning and 297.9MB in the end (delta: -222.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:06:57,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 174.1MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3586.38ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 119.7MB in the beginning and 187.1MB in the end (delta: -67.3MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.56ms. Allocated memory is still 251.7MB. Free memory was 187.1MB in the beginning and 178.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.20ms. Allocated memory is still 251.7MB. Free memory was 178.7MB in the beginning and 173.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 982.92ms. Allocated memory is still 251.7MB. Free memory was 173.4MB in the beginning and 132.5MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12085.64ms. Allocated memory was 251.7MB in the beginning and 310.4MB in the end (delta: 58.7MB). Free memory was 131.5MB in the beginning and 75.1MB in the end (delta: 56.4MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. * Witness Printer took 277.34ms. Allocated memory was 310.4MB in the beginning and 373.3MB in the end (delta: 62.9MB). Free memory was 75.1MB in the beginning and 297.9MB in the end (delta: -222.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8556]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8556] * 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 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 3741 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3153 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1052 IncrementalHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 588 mSDtfsCounter, 1052 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 540 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=4, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 164 PreInvPairs, 181 NumberOfFragments, 253 HoareAnnotationTreeSize, 164 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 742 ConstructedInterpolants, 0 QuantifiedInterpolants, 1678 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2614 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 422/476 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:06:57,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ea3192-dc61-4e28-9077-034fe01fee2f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE