./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/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_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:19:32,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:19:32,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:19:32,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:19:32,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:19:32,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:19:32,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:19:32,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:19:32,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:19:32,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:19:32,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:19:32,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:19:32,629 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:19:32,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:19:32,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:19:32,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:19:32,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:19:32,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:19:32,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:19:32,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:19:32,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:19:32,635 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:19:32,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:19:32,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:19:32,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:19:32,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:32,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:19:32,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:19:32,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:19:32,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:19:32,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:19:32,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:19:32,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:19:32,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:19:32,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:19:32,642 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:19:32,642 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_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2023-11-12 02:19:33,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:19:33,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:19:33,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:19:33,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:19:33,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:19:33,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2023-11-12 02:19:36,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:19:36,915 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:19:36,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2023-11-12 02:19:36,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/data/e1b216526/caccfcddb56442cb8f921b03311abc76/FLAG67e645811 [2023-11-12 02:19:37,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/data/e1b216526/caccfcddb56442cb8f921b03311abc76 [2023-11-12 02:19:37,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:19:37,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:19:37,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:37,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:19:37,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:19:37,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:37" (1/1) ... [2023-11-12 02:19:37,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e911e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:37, skipping insertion in model container [2023-11-12 02:19:37,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:37" (1/1) ... [2023-11-12 02:19:37,541 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:37,854 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_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2023-11-12 02:19:37,863 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_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2023-11-12 02:19:39,008 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,009 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,010 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,011 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,012 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,028 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,029 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,031 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,033 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,487 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 02:19:39,488 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 02:19:39,489 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 02:19:39,491 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 02:19:39,493 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 02:19:39,493 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 02:19:39,494 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 02:19:39,495 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 02:19:39,496 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 02:19:39,496 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 02:19:39,815 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,815 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:39,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:39,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:39,975 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_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2023-11-12 02:19:39,975 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_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2023-11-12 02:19:40,025 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,026 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,026 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,027 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,027 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,042 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,043 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,044 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,044 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,115 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 02:19:40,116 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 02:19:40,116 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 02:19:40,117 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 02:19:40,118 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 02:19:40,119 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 02:19:40,122 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 02:19:40,122 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 02:19:40,123 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 02:19:40,124 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 02:19:40,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2023-11-12 02:19:40,321 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,322 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:19:40,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2023-11-12 02:19:40,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:40,587 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,587 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,587 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,588 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,588 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,588 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,588 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,588 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,589 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,589 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,589 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,589 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,589 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,590 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,590 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,590 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,590 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,590 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:40,599 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:40,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40 WrapperNode [2023-11-12 02:19:40,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:40,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:40,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:40,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:40,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:40,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:40,901 INFO L138 Inliner]: procedures = 689, calls = 2603, calls flagged for inlining = 56, calls inlined = 3, statements flattened = 726 [2023-11-12 02:19:40,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:40,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:40,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:40,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:40,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:40,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:40,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:40,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:40,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:41,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:41,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:41,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:41,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:41,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:41,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:41,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:41,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (1/1) ... [2023-11-12 02:19:41,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:41,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:41,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:41,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 02:19:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 02:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 02:19:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 02:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:19:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2023-11-12 02:19:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2023-11-12 02:19:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 02:19:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 02:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-12 02:19:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-12 02:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:19:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:19:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:19:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:19:41,451 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:41,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:19:42,893 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:19:42,900 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:19:42,900 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:19:42,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:42 BoogieIcfgContainer [2023-11-12 02:19:42,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:19:42,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:19:42,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:19:42,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:19:42,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:37" (1/3) ... [2023-11-12 02:19:42,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dde91ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:42, skipping insertion in model container [2023-11-12 02:19:42,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:40" (2/3) ... [2023-11-12 02:19:42,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dde91ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:42, skipping insertion in model container [2023-11-12 02:19:42,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:42" (3/3) ... [2023-11-12 02:19:42,918 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2023-11-12 02:19:42,939 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:19:42,939 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:19:43,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:19:43,013 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;@45ec5d58, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:19:43,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:19:43,018 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) [2023-11-12 02:19:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 02:19:43,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:43,030 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] [2023-11-12 02:19:43,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:43,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:43,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1583463426, now seen corresponding path program 1 times [2023-11-12 02:19:43,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:43,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355106820] [2023-11-12 02:19:43,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:43,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:19:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:19:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:19:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:19:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 02:19:43,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:43,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355106820] [2023-11-12 02:19:43,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355106820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:43,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:43,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:19:43,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666086358] [2023-11-12 02:19:43,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:43,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:19:43,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:43,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:19:43,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:43,972 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) [2023-11-12 02:19:44,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:44,246 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2023-11-12 02:19:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:19:44,249 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 [2023-11-12 02:19:44,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:44,258 INFO L225 Difference]: With dead ends: 100 [2023-11-12 02:19:44,270 INFO L226 Difference]: Without dead ends: 47 [2023-11-12 02:19:44,274 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 [2023-11-12 02:19:44,277 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 30 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2023-11-12 02:19:44,278 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] [2023-11-12 02:19:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-12 02:19:44,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2023-11-12 02:19:44,328 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) [2023-11-12 02:19:44,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2023-11-12 02:19:44,334 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 40 [2023-11-12 02:19:44,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:44,338 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2023-11-12 02:19:44,338 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) [2023-11-12 02:19:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-11-12 02:19:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 02:19:44,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:44,345 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] [2023-11-12 02:19:44,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:19:44,345 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:44,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash -913519765, now seen corresponding path program 1 times [2023-11-12 02:19:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:44,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512677668] [2023-11-12 02:19:44,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:19:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:19:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:46,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:19:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:19:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 02:19:46,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:46,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512677668] [2023-11-12 02:19:46,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512677668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:46,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:46,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:19:46,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72770643] [2023-11-12 02:19:46,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:46,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:19:46,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:46,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:19:46,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:19:46,662 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) [2023-11-12 02:19:47,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:47,102 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2023-11-12 02:19:47,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:19:47,102 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 [2023-11-12 02:19:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:47,104 INFO L225 Difference]: With dead ends: 57 [2023-11-12 02:19:47,104 INFO L226 Difference]: Without dead ends: 48 [2023-11-12 02:19:47,105 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 [2023-11-12 02:19:47,106 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 [2023-11-12 02:19:47,107 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] [2023-11-12 02:19:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-12 02:19:47,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2023-11-12 02:19:47,116 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) [2023-11-12 02:19:47,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2023-11-12 02:19:47,118 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 40 [2023-11-12 02:19:47,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:47,120 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2023-11-12 02:19:47,120 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) [2023-11-12 02:19:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-11-12 02:19:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-12 02:19:47,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:47,122 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] [2023-11-12 02:19:47,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:19:47,123 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:47,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:47,123 INFO L85 PathProgramCache]: Analyzing trace with hash -819444031, now seen corresponding path program 1 times [2023-11-12 02:19:47,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:47,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090723099] [2023-11-12 02:19:47,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:47,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:47,210 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:19:47,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313670870] [2023-11-12 02:19:47,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:47,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:47,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:47,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:47,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:19:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:47,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:19:47,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 02:19:47,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:19:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 02:19:48,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:48,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090723099] [2023-11-12 02:19:48,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:19:48,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313670870] [2023-11-12 02:19:48,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313670870] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:19:48,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:19:48,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-12 02:19:48,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42153012] [2023-11-12 02:19:48,265 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:19:48,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:19:48,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:48,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:19:48,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:19:48,267 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) [2023-11-12 02:19:48,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:48,388 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2023-11-12 02:19:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:19:48,388 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 [2023-11-12 02:19:48,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:48,389 INFO L225 Difference]: With dead ends: 45 [2023-11-12 02:19:48,389 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:19:48,390 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 [2023-11-12 02:19:48,391 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:48,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 326 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:19:48,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:19:48,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:19:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:19:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:19:48,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2023-11-12 02:19:48,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:48,394 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:19:48,394 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) [2023-11-12 02:19:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:19:48,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:19:48,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:19:48,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:48,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:48,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:19:48,736 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2023-11-12 02:19:48,737 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6899 6903) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:19:48,737 INFO L895 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:19:48,737 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2023-11-12 02:19:48,738 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2023-11-12 02:19:48,743 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2023-11-12 02:19:48,744 INFO L895 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:19:48,744 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2023-11-12 02:19:48,744 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2023-11-12 02:19:48,744 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:19:48,744 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2023-11-12 02:19:48,745 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2023-11-12 02:19:48,745 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:19:48,745 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2023-11-12 02:19:48,747 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-12 02:19:48,747 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-12 02:19:48,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:19:48,748 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:19:48,748 INFO L902 garLoopResultBuilder]: At program point L8962-1(line 8962) the Hoare annotation is: true [2023-11-12 02:19:48,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:19:48,748 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)) [2023-11-12 02:19:48,748 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:19:48,748 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(line 8972) no Hoare annotation was computed. [2023-11-12 02:19:48,749 INFO L902 garLoopResultBuilder]: At program point L8964(line 8964) the Hoare annotation is: true [2023-11-12 02:19:48,749 INFO L899 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2023-11-12 02:19:48,749 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)) [2023-11-12 02:19:48,749 INFO L902 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2023-11-12 02:19:48,749 INFO L899 garLoopResultBuilder]: For program point L8970-1(lines 8959 8971) no Hoare annotation was computed. [2023-11-12 02:19:48,750 INFO L899 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2023-11-12 02:19:48,750 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-12 02:19:48,750 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-12 02:19:48,750 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-12 02:19:48,750 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-12 02:19:48,750 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-12 02:19:48,751 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-12 02:19:48,751 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-12 02:19:48,751 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-12 02:19:48,751 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-12 02:19:48,751 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-12 02:19:48,751 INFO L899 garLoopResultBuilder]: For program point L7806(line 7806) no Hoare annotation was computed. [2023-11-12 02:19:48,752 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseFINAL(lines 7794 7814) no Hoare annotation was computed. [2023-11-12 02:19:48,752 INFO L899 garLoopResultBuilder]: For program point L7806-4(line 7806) no Hoare annotation was computed. [2023-11-12 02:19:48,752 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))) [2023-11-12 02:19:48,752 INFO L899 garLoopResultBuilder]: For program point L7806-2(line 7806) no Hoare annotation was computed. [2023-11-12 02:19:48,752 INFO L899 garLoopResultBuilder]: For program point L7806-6(line 7806) no Hoare annotation was computed. [2023-11-12 02:19:48,753 INFO L899 garLoopResultBuilder]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2023-11-12 02:19:48,753 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7794 7814) the Hoare annotation is: true [2023-11-12 02:19:48,753 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseEXIT(lines 7794 7814) no Hoare annotation was computed. [2023-11-12 02:19:48,753 INFO L899 garLoopResultBuilder]: For program point L7795-1(line 7795) no Hoare annotation was computed. [2023-11-12 02:19:48,753 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))) [2023-11-12 02:19:48,756 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:19:48,758 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:19:48,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:19:48 BoogieIcfgContainer [2023-11-12 02:19:48,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:19:48,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:19:48,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:19:48,773 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:19:48,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:42" (3/4) ... [2023-11-12 02:19:48,776 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:19:48,780 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2023-11-12 02:19:48,780 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-12 02:19:48,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-12 02:19:48,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 02:19:48,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 02:19:48,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2023-11-12 02:19:48,794 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2023-11-12 02:19:48,796 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2023-11-12 02:19:48,798 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-12 02:19:48,799 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-12 02:19:48,801 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-12 02:19:48,802 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:19:48,804 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 02:19:48,805 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:19:48,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(len) == len) || !(((18446744073709551616 * (len / 18446744073709551616)) == len))) [2023-11-12 02:19:49,512 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(len) == len) || !(((18446744073709551616 * (len / 18446744073709551616)) == len))) [2023-11-12 02:19:49,565 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:19:49,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:19:49,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:19:49,567 INFO L158 Benchmark]: Toolchain (without parser) took 12193.40ms. Allocated memory was 161.5MB in the beginning and 266.3MB in the end (delta: 104.9MB). Free memory was 106.7MB in the beginning and 39.7MB in the end (delta: 67.0MB). Peak memory consumption was 171.7MB. Max. memory is 16.1GB. [2023-11-12 02:19:49,567 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:19:49,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3225.52ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 106.7MB in the beginning and 90.7MB in the end (delta: 16.0MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2023-11-12 02:19:49,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 301.38ms. Allocated memory is still 213.9MB. Free memory was 90.7MB in the beginning and 155.3MB in the end (delta: -64.6MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-12 02:19:49,568 INFO L158 Benchmark]: Boogie Preprocessor took 140.72ms. Allocated memory is still 213.9MB. Free memory was 155.3MB in the beginning and 149.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:19:49,569 INFO L158 Benchmark]: RCFGBuilder took 1858.08ms. Allocated memory is still 213.9MB. Free memory was 149.0MB in the beginning and 88.0MB in the end (delta: 61.0MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2023-11-12 02:19:49,569 INFO L158 Benchmark]: TraceAbstraction took 5866.66ms. Allocated memory was 213.9MB in the beginning and 266.3MB in the end (delta: 52.4MB). Free memory was 87.0MB in the beginning and 170.7MB in the end (delta: -83.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:19:49,570 INFO L158 Benchmark]: Witness Printer took 793.34ms. Allocated memory is still 266.3MB. Free memory was 170.7MB in the beginning and 39.7MB in the end (delta: 131.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2023-11-12 02:19:49,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3225.52ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 106.7MB in the beginning and 90.7MB in the end (delta: 16.0MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 301.38ms. Allocated memory is still 213.9MB. Free memory was 90.7MB in the beginning and 155.3MB in the end (delta: -64.6MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.72ms. Allocated memory is still 213.9MB. Free memory was 155.3MB in the beginning and 149.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1858.08ms. Allocated memory is still 213.9MB. Free memory was 149.0MB in the beginning and 88.0MB in the end (delta: 61.0MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5866.66ms. Allocated memory was 213.9MB in the beginning and 266.3MB in the end (delta: 52.4MB). Free memory was 87.0MB in the beginning and 170.7MB in the end (delta: -83.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 793.34ms. Allocated memory is still 266.3MB. Free memory was 170.7MB in the beginning and 39.7MB in the end (delta: 131.1MB). Peak memory consumption was 130.0MB. 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: 5.8s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 502 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 406 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 258 IncrementalHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 96 mSDtfsCounter, 258 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 33 PreInvPairs, 40 NumberOfFragments, 94 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.0s 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: 7804]: Loop Invariant Derived loop invariant: ((\old(len) == len) || !(((18446744073709551616 * (len / 18446744073709551616)) == len))) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:19:49,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16abfd44-3fbe-49b5-aec1-520fcb8b2a39/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE