./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:16:35,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:16:35,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:16:35,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:16:35,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:16:35,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:16:35,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:16:35,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:16:35,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:16:35,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:16:35,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:16:35,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:16:35,239 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:16:35,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:16:35,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:16:35,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:16:35,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:16:35,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:16:35,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:16:35,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:16:35,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:16:35,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:16:35,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:16:35,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:16:35,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:16:35,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:16:35,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:16:35,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:16:35,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:16:35,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:16:35,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:16:35,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:16:35,253 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:16:35,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:16:35,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:16:35,255 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:16:35,256 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_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2023-11-06 22:16:35,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:16:35,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:16:35,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:16:35,592 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:16:35,593 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:16:35,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2023-11-06 22:16:38,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:16:39,439 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:16:39,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2023-11-06 22:16:39,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/data/7f48d54ee/a663062ac2fb4c13bd79f3bff84df75b/FLAGaa4d0b946 [2023-11-06 22:16:39,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/data/7f48d54ee/a663062ac2fb4c13bd79f3bff84df75b [2023-11-06 22:16:39,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:16:39,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:16:39,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:39,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:16:39,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:16:39,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:39" (1/1) ... [2023-11-06 22:16:39,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43208968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:39, skipping insertion in model container [2023-11-06 22:16:39,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:39" (1/1) ... [2023-11-06 22:16:39,626 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:16:39,888 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_d6536dfc-ae4a-4782-8013-86d3be24bf3c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2023-11-06 22:16:39,897 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_d6536dfc-ae4a-4782-8013-86d3be24bf3c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2023-11-06 22:16:41,143 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,144 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,144 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,146 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,147 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,164 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,165 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,167 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,168 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:41,745 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:16:41,747 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:16:41,748 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:16:41,754 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:16:41,760 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:16:41,763 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:16:41,764 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:16:41,766 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:16:41,768 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:16:41,771 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:16:42,214 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,215 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:42,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:16:42,431 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_d6536dfc-ae4a-4782-8013-86d3be24bf3c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2023-11-06 22:16:42,432 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_d6536dfc-ae4a-4782-8013-86d3be24bf3c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2023-11-06 22:16:42,488 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,489 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,490 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,490 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,491 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,513 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,515 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,517 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,517 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,584 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:16:42,585 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:16:42,586 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:16:42,587 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:16:42,588 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:16:42,589 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:16:42,589 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:16:42,590 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:16:42,591 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:16:42,591 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:16:42,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2023-11-06 22:16:42,678 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,679 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:16:42,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2023-11-06 22:16:42,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:42,935 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,935 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,936 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,936 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,936 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,936 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,936 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,936 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,937 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,937 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,937 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,937 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,938 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,938 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,938 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,938 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,938 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,938 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:42,946 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:16:42,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42 WrapperNode [2023-11-06 22:16:42,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:42,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:16:42,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:16:42,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:16:42,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,171 INFO L138 Inliner]: procedures = 689, calls = 2603, calls flagged for inlining = 56, calls inlined = 3, statements flattened = 726 [2023-11-06 22:16:43,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:16:43,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:16:43,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:16:43,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:16:43,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:16:43,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:16:43,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:16:43,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:16:43,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (1/1) ... [2023-11-06 22:16:43,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:16:43,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:16:43,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:16:43,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:16:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-06 22:16:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-06 22:16:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:16:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:16:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:16:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:16:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:16:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:16:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:16:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2023-11-06 22:16:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2023-11-06 22:16:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-06 22:16:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-06 22:16:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-06 22:16:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-06 22:16:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:16:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:16:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:16:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:16:43,694 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:16:43,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:16:44,966 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:16:44,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:16:44,973 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:16:44,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:44 BoogieIcfgContainer [2023-11-06 22:16:44,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:16:44,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:16:44,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:16:44,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:16:44,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:16:39" (1/3) ... [2023-11-06 22:16:44,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73db0942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:16:44, skipping insertion in model container [2023-11-06 22:16:44,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:42" (2/3) ... [2023-11-06 22:16:44,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73db0942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:16:44, skipping insertion in model container [2023-11-06 22:16:44,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:44" (3/3) ... [2023-11-06 22:16:44,989 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2023-11-06 22:16:45,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:16:45,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:16:45,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:16:45,066 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@69cae3c3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:16:45,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:16:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 34 states have internal predecessors, (42), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:16:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:16:45,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:45,089 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] [2023-11-06 22:16:45,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:45,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1583463426, now seen corresponding path program 1 times [2023-11-06 22:16:45,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:45,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341295698] [2023-11-06 22:16:45,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:45,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:16:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:45,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:16:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:16:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:16:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:16:46,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:46,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341295698] [2023-11-06 22:16:46,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341295698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:46,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:46,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:16:46,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449826962] [2023-11-06 22:16:46,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:46,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:16:46,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:46,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:16:46,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:16:46,074 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 34 states have internal predecessors, (42), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:16:46,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:46,270 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2023-11-06 22:16:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:16:46,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2023-11-06 22:16:46,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:46,282 INFO L225 Difference]: With dead ends: 100 [2023-11-06 22:16:46,282 INFO L226 Difference]: Without dead ends: 47 [2023-11-06 22:16:46,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:16:46,289 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 30 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:46,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 39 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:16:46,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-06 22:16:46,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2023-11-06 22:16:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:16:46,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2023-11-06 22:16:46,333 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 40 [2023-11-06 22:16:46,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:46,334 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2023-11-06 22:16:46,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:16:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-11-06 22:16:46,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:16:46,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:46,337 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] [2023-11-06 22:16:46,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:16:46,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:46,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:46,338 INFO L85 PathProgramCache]: Analyzing trace with hash -913519765, now seen corresponding path program 1 times [2023-11-06 22:16:46,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:46,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594396387] [2023-11-06 22:16:46,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:46,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:16:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:16:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:16:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:16:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:16:48,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:48,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594396387] [2023-11-06 22:16:48,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594396387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:48,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:48,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:16:48,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609453751] [2023-11-06 22:16:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:48,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:16:48,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:48,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:16:48,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:16:48,463 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:16:48,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:48,928 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2023-11-06 22:16:48,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:16:48,929 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2023-11-06 22:16:48,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:48,931 INFO L225 Difference]: With dead ends: 57 [2023-11-06 22:16:48,932 INFO L226 Difference]: Without dead ends: 48 [2023-11-06 22:16:48,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:16:48,934 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 49 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:48,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 137 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:16:48,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-06 22:16:48,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2023-11-06 22:16:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:16:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2023-11-06 22:16:48,960 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 40 [2023-11-06 22:16:48,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:48,962 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2023-11-06 22:16:48,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:16:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-11-06 22:16:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:16:48,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:48,967 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] [2023-11-06 22:16:48,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:16:48,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:48,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:48,968 INFO L85 PathProgramCache]: Analyzing trace with hash -819444031, now seen corresponding path program 1 times [2023-11-06 22:16:48,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:48,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619584763] [2023-11-06 22:16:48,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:49,095 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:16:49,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859227054] [2023-11-06 22:16:49,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:49,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:16:49,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:16:49,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:16:49,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:16:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:49,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:16:49,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:16:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 22:16:49,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:16:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 22:16:50,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:50,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619584763] [2023-11-06 22:16:50,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:16:50,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859227054] [2023-11-06 22:16:50,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859227054] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:16:50,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:16:50,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-06 22:16:50,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371585187] [2023-11-06 22:16:50,088 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:16:50,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:16:50,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:50,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:16:50,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:16:50,091 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:16:50,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:50,172 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2023-11-06 22:16:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:16:50,172 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-11-06 22:16:50,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:50,173 INFO L225 Difference]: With dead ends: 45 [2023-11-06 22:16:50,173 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:16:50,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:16:50,175 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:50,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 320 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:16:50,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:16:50,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:16:50,177 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) [2023-11-06 22:16:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:16:50,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2023-11-06 22:16:50,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:50,178 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:16:50,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:16:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:16:50,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:16:50,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:16:50,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:16:50,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:16:50,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:16:50,493 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2023-11-06 22:16:50,493 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6899 6903) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-06 22:16:50,493 INFO L895 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-06 22:16:50,494 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2023-11-06 22:16:50,494 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2023-11-06 22:16:50,494 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2023-11-06 22:16:50,494 INFO L895 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-06 22:16:50,495 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2023-11-06 22:16:50,495 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2023-11-06 22:16:50,495 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-06 22:16:50,495 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2023-11-06 22:16:50,495 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2023-11-06 22:16:50,496 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-06 22:16:50,496 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2023-11-06 22:16:50,496 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-06 22:16:50,496 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-06 22:16:50,496 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:16:50,497 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:16:50,497 INFO L902 garLoopResultBuilder]: At program point L8962-1(line 8962) the Hoare annotation is: true [2023-11-06 22:16:50,497 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:16:50,497 INFO L895 garLoopResultBuilder]: At program point L8970(line 8970) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0)) (= (mod |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616) 0)) [2023-11-06 22:16:50,497 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:16:50,498 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(line 8972) the Hoare annotation is: true [2023-11-06 22:16:50,498 INFO L902 garLoopResultBuilder]: At program point L8964(line 8964) the Hoare annotation is: true [2023-11-06 22:16:50,498 INFO L899 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2023-11-06 22:16:50,498 INFO L895 garLoopResultBuilder]: At program point L8964-1(line 8964) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0)) (= (mod |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616) 0)) [2023-11-06 22:16:50,498 INFO L902 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2023-11-06 22:16:50,499 INFO L899 garLoopResultBuilder]: For program point L8970-1(lines 8959 8971) no Hoare annotation was computed. [2023-11-06 22:16:50,499 INFO L899 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2023-11-06 22:16:50,499 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-06 22:16:50,499 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-06 22:16:50,499 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-06 22:16:50,500 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-06 22:16:50,500 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-06 22:16:50,500 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-06 22:16:50,500 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-06 22:16:50,500 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-06 22:16:50,500 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-06 22:16:50,501 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-06 22:16:50,501 INFO L899 garLoopResultBuilder]: For program point L7806(line 7806) no Hoare annotation was computed. [2023-11-06 22:16:50,501 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseFINAL(lines 7794 7814) no Hoare annotation was computed. [2023-11-06 22:16:50,501 INFO L899 garLoopResultBuilder]: For program point L7806-4(line 7806) no Hoare annotation was computed. [2023-11-06 22:16:50,501 INFO L895 garLoopResultBuilder]: At program point L7804-2(lines 7804 7812) the Hoare annotation is: (or (= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (not (= (* 18446744073709551616 (div aws_hash_array_ignore_case_~len 18446744073709551616)) aws_hash_array_ignore_case_~len))) [2023-11-06 22:16:50,502 INFO L899 garLoopResultBuilder]: For program point L7806-2(line 7806) no Hoare annotation was computed. [2023-11-06 22:16:50,502 INFO L899 garLoopResultBuilder]: For program point L7806-6(line 7806) no Hoare annotation was computed. [2023-11-06 22:16:50,502 INFO L899 garLoopResultBuilder]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2023-11-06 22:16:50,502 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7794 7814) the Hoare annotation is: true [2023-11-06 22:16:50,502 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseEXIT(lines 7794 7814) no Hoare annotation was computed. [2023-11-06 22:16:50,502 INFO L899 garLoopResultBuilder]: For program point L7795-1(line 7795) no Hoare annotation was computed. [2023-11-06 22:16:50,503 INFO L895 garLoopResultBuilder]: At program point L7795(line 7795) the Hoare annotation is: (or (= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (not (= (* 18446744073709551616 (div aws_hash_array_ignore_case_~len 18446744073709551616)) aws_hash_array_ignore_case_~len))) [2023-11-06 22:16:50,505 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:16:50,508 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:16:50,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:16:50 BoogieIcfgContainer [2023-11-06 22:16:50,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:16:50,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:16:50,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:16:50,522 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:16:50,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:44" (3/4) ... [2023-11-06 22:16:50,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:16:50,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2023-11-06 22:16:50,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-06 22:16:50,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-06 22:16:50,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:16:50,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-06 22:16:50,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2023-11-06 22:16:50,551 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2023-11-06 22:16:50,553 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2023-11-06 22:16:50,554 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-06 22:16:50,555 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 22:16:50,557 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:16:50,559 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:16:50,561 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 22:16:50,563 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:16:50,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(len) == len) || !(((18446744073709551616 * (len / 18446744073709551616)) == len))) [2023-11-06 22:16:51,753 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(len) == len) || !(((18446744073709551616 * (len / 18446744073709551616)) == len))) [2023-11-06 22:16:51,770 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:16:51,770 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:16:51,771 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:16:51,771 INFO L158 Benchmark]: Toolchain (without parser) took 12256.39ms. Allocated memory was 148.9MB in the beginning and 325.1MB in the end (delta: 176.2MB). Free memory was 107.5MB in the beginning and 207.8MB in the end (delta: -100.4MB). Peak memory consumption was 232.8MB. Max. memory is 16.1GB. [2023-11-06 22:16:51,772 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 148.9MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:16:51,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3431.13ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 107.1MB in the beginning and 103.4MB in the end (delta: 3.7MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2023-11-06 22:16:51,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.08ms. Allocated memory is still 203.4MB. Free memory was 103.4MB in the beginning and 91.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:16:51,773 INFO L158 Benchmark]: Boogie Preprocessor took 88.40ms. Allocated memory is still 203.4MB. Free memory was 91.9MB in the beginning and 86.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:16:51,773 INFO L158 Benchmark]: RCFGBuilder took 1715.41ms. Allocated memory is still 203.4MB. Free memory was 86.7MB in the beginning and 84.2MB in the end (delta: 2.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-11-06 22:16:51,774 INFO L158 Benchmark]: TraceAbstraction took 5541.57ms. Allocated memory was 203.4MB in the beginning and 325.1MB in the end (delta: 121.6MB). Free memory was 84.2MB in the beginning and 145.2MB in the end (delta: -60.9MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-11-06 22:16:51,774 INFO L158 Benchmark]: Witness Printer took 1248.64ms. Allocated memory is still 325.1MB. Free memory was 145.2MB in the beginning and 207.8MB in the end (delta: -62.7MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2023-11-06 22:16:51,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 148.9MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3431.13ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 107.1MB in the beginning and 103.4MB in the end (delta: 3.7MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.08ms. Allocated memory is still 203.4MB. Free memory was 103.4MB in the beginning and 91.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.40ms. Allocated memory is still 203.4MB. Free memory was 91.9MB in the beginning and 86.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1715.41ms. Allocated memory is still 203.4MB. Free memory was 86.7MB in the beginning and 84.2MB in the end (delta: 2.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5541.57ms. Allocated memory was 203.4MB in the beginning and 325.1MB in the end (delta: 121.6MB). Free memory was 84.2MB in the beginning and 145.2MB in the end (delta: -60.9MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Witness Printer took 1248.64ms. Allocated memory is still 325.1MB. Free memory was 145.2MB in the beginning and 207.8MB in the end (delta: -62.7MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8269]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] - GenericResultAtLocation [Line: 8755]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] * 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 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 496 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 400 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 96 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 34 PreInvPairs, 42 NumberOfFragments, 95 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2338 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 44/50 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 - InvariantResult [Line: 8972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7804]: Loop Invariant Derived loop invariant: ((\old(len) == len) || !(((18446744073709551616 * (len / 18446744073709551616)) == len))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:16:51,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6536dfc-ae4a-4782-8013-86d3be24bf3c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE