./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4adfd749a14198c07863d56d9f5241c9778edf12ce129aa891ff24fae8fc0bd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:32,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:32,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:34:32,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:32,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:32,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:32,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:32,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:32,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:32,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:32,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:32,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:32,868 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:32,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:32,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:34:32,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:32,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:32,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:34:32,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:32,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:34:32,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:32,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:32,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:32,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:32,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:32,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:32,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:32,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:32,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:34:32,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:32,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:34:32,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:32,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:34:32,882 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:32,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:32,882 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:32,882 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_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4adfd749a14198c07863d56d9f5241c9778edf12ce129aa891ff24fae8fc0bd8 [2023-11-19 07:34:33,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:33,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:33,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:33,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:33,237 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:33,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2023-11-19 07:34:36,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:37,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:37,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2023-11-19 07:34:37,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/data/74acb9961/3fe669e7a5364e219d6088f5507af31b/FLAG9e22b982a [2023-11-19 07:34:37,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/data/74acb9961/3fe669e7a5364e219d6088f5507af31b [2023-11-19 07:34:37,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:37,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:37,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:37,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:37,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:37,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:37" (1/1) ... [2023-11-19 07:34:37,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61978d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:37, skipping insertion in model container [2023-11-19 07:34:37,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:37" (1/1) ... [2023-11-19 07:34:37,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:37,543 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_393acd9a-0d0a-4869-81e1-4cb9609e08be/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2023-11-19 07:34:37,554 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_393acd9a-0d0a-4869-81e1-4cb9609e08be/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2023-11-19 07:34:38,834 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,836 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,837 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,839 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,842 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,877 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,881 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,883 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,887 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,890 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,893 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,894 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:38,895 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,358 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 07:34:39,359 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 07:34:39,361 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 07:34:39,362 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 07:34:39,364 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 07:34:39,365 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 07:34:39,366 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 07:34:39,366 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 07:34:39,367 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 07:34:39,368 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 07:34:39,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:39,623 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:39,646 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_393acd9a-0d0a-4869-81e1-4cb9609e08be/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2023-11-19 07:34:39,647 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_393acd9a-0d0a-4869-81e1-4cb9609e08be/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2023-11-19 07:34:39,710 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,711 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,712 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,713 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,713 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,731 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,731 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,739 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,740 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,742 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,742 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,743 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,744 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 07:34:39,802 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 07:34:39,804 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 07:34:39,805 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 07:34:39,806 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 07:34:39,808 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 07:34:39,808 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 07:34:39,810 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 07:34:39,811 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 07:34:39,811 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 07:34:39,813 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 07:34:39,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:40,062 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,062 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,063 WARN L675 CHandler]: The function aws_last_error is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,063 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,063 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,063 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,063 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,064 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,064 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,064 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,064 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,064 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,064 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,065 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,065 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,065 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,065 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:40,073 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:40,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40 WrapperNode [2023-11-19 07:34:40,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:40,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:40,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:40,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:40,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,233 INFO L138 Inliner]: procedures = 678, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 58 [2023-11-19 07:34:40,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:40,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:40,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:40,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:40,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:40,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:40,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:40,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:40,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:40,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:40,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:40,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-19 07:34:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-19 07:34:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-19 07:34:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-19 07:34:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:34:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:34:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:34:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:34:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:34:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-19 07:34:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-19 07:34:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-19 07:34:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-19 07:34:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:34:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:34:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:34:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-19 07:34:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-19 07:34:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-19 07:34:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-19 07:34:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:34:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:34:40,659 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:40,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:34:40,863 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:34:40,879 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:34:40,882 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:34:40,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:40 BoogieIcfgContainer [2023-11-19 07:34:40,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:34:40,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:34:40,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:34:40,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:34:40,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:37" (1/3) ... [2023-11-19 07:34:40,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3a59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:40, skipping insertion in model container [2023-11-19 07:34:40,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (2/3) ... [2023-11-19 07:34:40,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3a59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:40, skipping insertion in model container [2023-11-19 07:34:40,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:40" (3/3) ... [2023-11-19 07:34:40,902 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness_negated.i [2023-11-19 07:34:40,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:34:40,924 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:34:40,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:34:41,007 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;@3be458b2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:34:41,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:34:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:34:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 07:34:41,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:41,027 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-19 07:34:41,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:34:41,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:41,035 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2023-11-19 07:34:41,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:41,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521937138] [2023-11-19 07:34:41,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:41,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:34:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-19 07:34:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:34:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:34:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:34:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:34:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:34:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-19 07:34:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:34:42,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:42,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521937138] [2023-11-19 07:34:42,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521937138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:42,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:42,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-19 07:34:42,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485008947] [2023-11-19 07:34:42,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:42,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 07:34:42,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:42,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 07:34:42,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:34:42,678 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-19 07:34:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:43,480 INFO L93 Difference]: Finished difference Result 127 states and 153 transitions. [2023-11-19 07:34:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 07:34:43,483 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 55 [2023-11-19 07:34:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:43,493 INFO L225 Difference]: With dead ends: 127 [2023-11-19 07:34:43,493 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:34:43,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2023-11-19 07:34:43,500 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 74 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:43,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 310 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:34:43,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:34:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-19 07:34:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.054054054054054) internal successors, (39), 38 states have internal predecessors, (39), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:34:43,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2023-11-19 07:34:43,548 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 55 [2023-11-19 07:34:43,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:43,550 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2023-11-19 07:34:43,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-19 07:34:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2023-11-19 07:34:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 07:34:43,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:43,553 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-19 07:34:43,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:34:43,554 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:34:43,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:43,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1047718708, now seen corresponding path program 1 times [2023-11-19 07:34:43,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:43,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633002199] [2023-11-19 07:34:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:43,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:43,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:43,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:43,817 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:34:43,819 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:34:43,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:34:43,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:34:43,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:34:43,855 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated [2023-11-19 07:34:43,856 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret568 [2023-11-19 07:34:43,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-19 07:34:43,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite571 [2023-11-19 07:34:43,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-19 07:34:43,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-19 07:34:43,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-19 07:34:43,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated [2023-11-19 07:34:43,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated [2023-11-19 07:34:43,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-19 07:34:43,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated [2023-11-19 07:34:43,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-19 07:34:43,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-19 07:34:43,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-19 07:34:43,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret654 [2023-11-19 07:34:43,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:34:43 BoogieIcfgContainer [2023-11-19 07:34:43,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:34:43,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:34:43,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:34:43,872 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:34:43,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:40" (3/4) ... [2023-11-19 07:34:43,874 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 07:34:43,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated [2023-11-19 07:34:43,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret568 [2023-11-19 07:34:43,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-19 07:34:43,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite571 [2023-11-19 07:34:43,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-19 07:34:43,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-19 07:34:43,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-19 07:34:43,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated [2023-11-19 07:34:43,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated [2023-11-19 07:34:43,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-19 07:34:43,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated [2023-11-19 07:34:43,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-19 07:34:43,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-19 07:34:43,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-19 07:34:43,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret654 [2023-11-19 07:34:43,925 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:34:43,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:34:43,926 INFO L158 Benchmark]: Toolchain (without parser) took 6797.52ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 95.7MB in the beginning and 136.4MB in the end (delta: -40.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-19 07:34:43,926 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 100.7MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:34:43,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2944.67ms. Allocated memory is still 146.8MB. Free memory was 95.7MB in the beginning and 57.1MB in the end (delta: 38.6MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-11-19 07:34:43,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.47ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 57.1MB in the beginning and 148.2MB in the end (delta: -91.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 07:34:43,928 INFO L158 Benchmark]: Boogie Preprocessor took 47.95ms. Allocated memory is still 195.0MB. Free memory was 148.2MB in the beginning and 145.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:43,928 INFO L158 Benchmark]: RCFGBuilder took 603.96ms. Allocated memory is still 195.0MB. Free memory was 145.0MB in the beginning and 125.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:34:43,928 INFO L158 Benchmark]: TraceAbstraction took 2980.23ms. Allocated memory is still 195.0MB. Free memory was 124.1MB in the beginning and 140.6MB in the end (delta: -16.5MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:43,929 INFO L158 Benchmark]: Witness Printer took 53.34ms. Allocated memory is still 195.0MB. Free memory was 140.6MB in the beginning and 136.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:43,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 100.7MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2944.67ms. Allocated memory is still 146.8MB. Free memory was 95.7MB in the beginning and 57.1MB in the end (delta: 38.6MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.47ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 57.1MB in the beginning and 148.2MB in the end (delta: -91.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.95ms. Allocated memory is still 195.0MB. Free memory was 148.2MB in the beginning and 145.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 603.96ms. Allocated memory is still 195.0MB. Free memory was 145.0MB in the beginning and 125.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2980.23ms. Allocated memory is still 195.0MB. Free memory was 124.1MB in the beginning and 140.6MB in the end (delta: -16.5MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 53.34ms. Allocated memory is still 195.0MB. Free memory was 140.6MB in the beginning and 136.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret568 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite571 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret654 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret568 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite571 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret654 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6898-L6903] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; VAL [s_can_fail_allocator_static={4:0}] [L7252] CALL aws_string_bytes_harness() [L7248] CALL, EXPR ensure_string_is_allocated_nondet_length() [L6827-L6829] CALL, EXPR ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)) [L6833] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}] [L266] return __VERIFIER_nondet_ulong(); [L6833] RET, EXPR nondet_uint64_t() VAL [\old(max_size)=18446744073709551598, max_size=18446744073709551598, s_can_fail_allocator_static={4:0}] [L6833] size_t len = nondet_uint64_t(); [L6834] CALL assume_abort_if_not(len < max_size) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}] [L6834] RET assume_abort_if_not(len < max_size) VAL [\old(max_size)=18446744073709551598, len=0, max_size=18446744073709551598, s_can_fail_allocator_static={4:0}] [L6835] CALL, EXPR ensure_string_is_allocated(len) [L6839] CALL, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(size)=17, s_can_fail_allocator_static={4:0}] [L6915-L6917] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}] [L6915-L6917] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=17, s_can_fail_allocator_static={4:0}, size=17] [L6918] return malloc(size); [L6839] RET, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}] [L6839] struct aws_string *str = bounded_malloc(sizeof(struct aws_string) + len + 1); [L6842] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}] [L261] return __VERIFIER_nondet_bool(); [L6842] RET, EXPR nondet_bool() VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, str={-2:0}] [L6842-L6843] EXPR nondet_bool() ? can_fail_allocator() : ((void *)0) VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, str={-2:0}] [L6842-L6843] *(struct aws_allocator **)(&str->allocator) = nondet_bool() ? can_fail_allocator() : ((void *)0) [L6845] *(size_t *)(&str->len) = len [L6846] *(uint8_t *)&str->bytes[len] = '\0' [L6847] return str; VAL [\old(len)=0, \result={-2:0}, len=0, s_can_fail_allocator_static={4:0}, str={-2:0}] [L6835] RET, EXPR ensure_string_is_allocated(len) [L6835] return ensure_string_is_allocated(len); [L6827-L6829] RET, EXPR ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)) [L6827-L6829] return ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)); [L7248] RET, EXPR ensure_string_is_allocated_nondet_length() [L7248] struct aws_string *str = ensure_string_is_allocated_nondet_length(); [L7249] CALL, EXPR aws_string_bytes(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L6282] CALL, EXPR aws_string_is_valid(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6294] EXPR str->len [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6294] EXPR str->len [L6294] EXPR str->bytes[str->len] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6294] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L6282] RET, EXPR aws_string_is_valid(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6282] CALL assume_abort_if_not((aws_string_is_valid(str))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}] [L6282] RET assume_abort_if_not((aws_string_is_valid(str))) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6283] return str->bytes; VAL [\result={-2:16}, s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L7249] RET, EXPR aws_string_bytes(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L7249] CALL __VERIFIER_assert(!(aws_string_bytes(str) == str->bytes)) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 310 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 574 IncrementalHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 31 mSDtfsCounter, 574 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:34:43,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393acd9a-0d0a-4869-81e1-4cb9609e08be/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE