./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.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_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/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_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/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_430f0250-ab05-4d65-8dce-46ba4340c091/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 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:31,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:31,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:32:31,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:31,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:31,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:31,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:31,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:31,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:31,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:31,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:31,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:31,845 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:31,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:31,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:31,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:32:31,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:31,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:31,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:31,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:31,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:31,851 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:31,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:31,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:31,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:31,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:31,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:31,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:31,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:31,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:32:31,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:32:31,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:31,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:31,857 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:31,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:31,858 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:31,858 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_430f0250-ab05-4d65-8dce-46ba4340c091/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 [2023-11-12 02:32:32,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:32,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:32,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:32,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:32,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:32,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2023-11-12 02:32:35,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:35,926 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:35,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2023-11-12 02:32:35,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/data/bd1079e75/d56d9025a1f64fa38228823e66d11100/FLAGe246c1af7 [2023-11-12 02:32:35,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/data/bd1079e75/d56d9025a1f64fa38228823e66d11100 [2023-11-12 02:32:36,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:36,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:36,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:36,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:36,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:36,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:35" (1/1) ... [2023-11-12 02:32:36,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29610f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:36, skipping insertion in model container [2023-11-12 02:32:36,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:35" (1/1) ... [2023-11-12 02:32:36,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:36,495 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_430f0250-ab05-4d65-8dce-46ba4340c091/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4501,4514] [2023-11-12 02:32:36,505 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_430f0250-ab05-4d65-8dce-46ba4340c091/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4561,4574] [2023-11-12 02:32:37,706 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:37,707 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:37,707 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:37,709 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:37,710 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:37,738 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:37,761 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:37,764 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:37,764 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,275 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 02:32:38,280 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 02:32:38,282 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 02:32:38,286 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 02:32:38,289 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 02:32:38,290 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 02:32:38,291 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 02:32:38,292 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 02:32:38,296 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 02:32:38,300 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 02:32:38,607 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,607 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:38,869 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:38,894 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_430f0250-ab05-4d65-8dce-46ba4340c091/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4501,4514] [2023-11-12 02:32:38,895 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_430f0250-ab05-4d65-8dce-46ba4340c091/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4561,4574] [2023-11-12 02:32:38,951 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,951 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,952 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,952 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,953 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,964 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,965 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,966 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:38,966 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:39,016 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 02:32:39,018 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 02:32:39,019 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 02:32:39,019 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 02:32:39,020 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 02:32:39,021 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 02:32:39,022 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 02:32:39,023 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 02:32:39,023 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 02:32:39,024 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 02:32:39,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2023-11-12 02:32:39,120 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:39,121 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:32:39,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2023-11-12 02:32:39,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:39,613 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,613 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,615 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,616 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,616 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,616 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,617 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,617 WARN L672 CHandler]: The function s_global_handler is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,617 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,617 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,618 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,619 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,619 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,619 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,619 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,620 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,620 WARN L672 CHandler]: The function tl_thread_handler is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,620 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,621 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,621 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:39,629 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:39,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39 WrapperNode [2023-11-12 02:32:39,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:39,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:39,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:39,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:39,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,881 INFO L138 Inliner]: procedures = 692, calls = 2790, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 832 [2023-11-12 02:32:39,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:39,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:39,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:39,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:39,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:39,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:40,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:40,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:40,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:40,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (1/1) ... [2023-11-12 02:32:40,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:40,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:40,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:40,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-12 02:32:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-12 02:32:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-11-12 02:32:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-11-12 02:32:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-12 02:32:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-12 02:32:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:32:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 02:32:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 02:32:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:32:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 02:32:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 02:32:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:32:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:32:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 02:32:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 02:32:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:32:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-12 02:32:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-12 02:32:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:32:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:32:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:32:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-12 02:32:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-12 02:32:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-12 02:32:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-12 02:32:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:32:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:32:40,445 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:40,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:42,105 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:42,115 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:42,115 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:32:42,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:42 BoogieIcfgContainer [2023-11-12 02:32:42,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:42,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:42,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:42,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:42,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:35" (1/3) ... [2023-11-12 02:32:42,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c94566c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:42, skipping insertion in model container [2023-11-12 02:32:42,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:39" (2/3) ... [2023-11-12 02:32:42,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c94566c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:42, skipping insertion in model container [2023-11-12 02:32:42,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:42" (3/3) ... [2023-11-12 02:32:42,135 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness_negated.i [2023-11-12 02:32:42,154 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:42,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:32:42,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:42,232 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;@561a389c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:42,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:32:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:32:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-12 02:32:42,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:42,251 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:42,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:42,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:42,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1122645662, now seen corresponding path program 1 times [2023-11-12 02:32:42,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:42,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864170292] [2023-11-12 02:32:42,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:42,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:32:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:32:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:32:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:32:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:32:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:32:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:32:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:32:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-12 02:32:43,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:43,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864170292] [2023-11-12 02:32:43,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864170292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:43,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:43,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:32:43,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619022552] [2023-11-12 02:32:43,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:43,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:32:43,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:43,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:32:43,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:32:43,370 INFO L87 Difference]: Start difference. First operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:32:43,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:43,773 INFO L93 Difference]: Finished difference Result 201 states and 264 transitions. [2023-11-12 02:32:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:43,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2023-11-12 02:32:43,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:43,790 INFO L225 Difference]: With dead ends: 201 [2023-11-12 02:32:43,790 INFO L226 Difference]: Without dead ends: 98 [2023-11-12 02:32:43,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:32:43,806 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 94 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:43,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 101 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:32:43,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-12 02:32:43,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-12 02:32:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 63 states have internal predecessors, (71), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 02:32:43,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2023-11-12 02:32:43,888 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 85 [2023-11-12 02:32:43,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:43,889 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2023-11-12 02:32:43,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:32:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2023-11-12 02:32:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-12 02:32:43,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:43,900 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:43,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:32:43,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:43,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:43,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1334345696, now seen corresponding path program 1 times [2023-11-12 02:32:43,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:43,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98386776] [2023-11-12 02:32:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:43,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:32:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:44,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:32:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:32:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:32:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:32:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:45,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:32:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:32:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:45,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:32:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-12 02:32:45,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:45,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98386776] [2023-11-12 02:32:45,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98386776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:45,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:45,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:32:45,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141568124] [2023-11-12 02:32:45,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:45,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:32:45,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:45,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:32:45,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:32:45,181 INFO L87 Difference]: Start difference. First operand 98 states and 120 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:32:45,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:45,728 INFO L93 Difference]: Finished difference Result 155 states and 190 transitions. [2023-11-12 02:32:45,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:32:45,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2023-11-12 02:32:45,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:45,733 INFO L225 Difference]: With dead ends: 155 [2023-11-12 02:32:45,733 INFO L226 Difference]: Without dead ends: 101 [2023-11-12 02:32:45,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:32:45,735 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:45,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 243 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:32:45,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-12 02:32:45,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-12 02:32:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.140625) internal successors, (73), 66 states have internal predecessors, (73), 25 states have call successors, (25), 10 states have call predecessors, (25), 11 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2023-11-12 02:32:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 123 transitions. [2023-11-12 02:32:45,751 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 123 transitions. Word has length 85 [2023-11-12 02:32:45,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:45,752 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 123 transitions. [2023-11-12 02:32:45,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:32:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 123 transitions. [2023-11-12 02:32:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-12 02:32:45,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:45,756 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:45,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:32:45,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:45,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:45,757 INFO L85 PathProgramCache]: Analyzing trace with hash 50703397, now seen corresponding path program 1 times [2023-11-12 02:32:45,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:45,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503843374] [2023-11-12 02:32:45,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:45,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:32:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:32:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:32:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:32:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:32:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:32:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:32:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:32:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-12 02:32:49,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:49,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503843374] [2023-11-12 02:32:49,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503843374] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:32:49,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051549682] [2023-11-12 02:32:49,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:49,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:49,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:49,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:49,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:32:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:50,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 2636 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-12 02:32:50,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:50,525 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2023-11-12 02:32:50,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:32:50,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:32:50,540 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 86 [2023-11-12 02:32:50,575 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-12 02:32:55,652 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:32:55,653 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 250 treesize of output 224 [2023-11-12 02:32:55,782 INFO L322 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-12 02:32:55,783 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 93 [2023-11-12 02:32:55,952 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-12 02:32:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-12 02:32:56,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:58,818 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2023-11-12 02:32:58,869 INFO L322 Elim1Store]: treesize reduction 14, result has 76.7 percent of original size [2023-11-12 02:32:58,869 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 110 [2023-11-12 02:32:58,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:32:58,917 INFO L322 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2023-11-12 02:32:58,918 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 32 [2023-11-12 02:32:58,940 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:32:58,941 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 39 [2023-11-12 02:32:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-12 02:32:59,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051549682] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:59,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:32:59,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 26, 20] total 51 [2023-11-12 02:32:59,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252866803] [2023-11-12 02:32:59,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:59,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-12 02:32:59,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:59,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-12 02:32:59,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=2393, Unknown=0, NotChecked=0, Total=2550 [2023-11-12 02:32:59,606 INFO L87 Difference]: Start difference. First operand 101 states and 123 transitions. Second operand has 51 states, 44 states have (on average 2.3181818181818183) internal successors, (102), 39 states have internal predecessors, (102), 17 states have call successors, (34), 7 states have call predecessors, (34), 13 states have return successors, (35), 20 states have call predecessors, (35), 16 states have call successors, (35) [2023-11-12 02:33:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:04,289 INFO L93 Difference]: Finished difference Result 108 states and 128 transitions. [2023-11-12 02:33:04,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:33:04,290 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 44 states have (on average 2.3181818181818183) internal successors, (102), 39 states have internal predecessors, (102), 17 states have call successors, (34), 7 states have call predecessors, (34), 13 states have return successors, (35), 20 states have call predecessors, (35), 16 states have call successors, (35) Word has length 87 [2023-11-12 02:33:04,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:04,290 INFO L225 Difference]: With dead ends: 108 [2023-11-12 02:33:04,290 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:33:04,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 153 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=256, Invalid=3650, Unknown=0, NotChecked=0, Total=3906 [2023-11-12 02:33:04,294 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 53 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 25 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:04,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 387 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 753 Invalid, 3 Unknown, 0 Unchecked, 3.5s Time] [2023-11-12 02:33:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:33:04,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:33:04,296 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 02:33:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:33:04,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2023-11-12 02:33:04,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:04,297 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:33:04,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 44 states have (on average 2.3181818181818183) internal successors, (102), 39 states have internal predecessors, (102), 17 states have call successors, (34), 7 states have call predecessors, (34), 13 states have return successors, (35), 20 states have call predecessors, (35), 16 states have call successors, (35) [2023-11-12 02:33:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:33:04,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:33:04,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:33:04,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:04,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:04,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:33:04,667 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6788 6792) no Hoare annotation was computed. [2023-11-12 02:33:04,667 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_returnLabel#1(lines 6794 6804) no Hoare annotation was computed. [2023-11-12 02:33:04,668 INFO L895 garLoopResultBuilder]: At program point L6798(line 6798) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (<= (+ 18410715276689353099 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (* 18446744073709551616 (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616)))) [2023-11-12 02:33:04,668 INFO L899 garLoopResultBuilder]: For program point L6795-1(line 6795) no Hoare annotation was computed. [2023-11-12 02:33:04,668 INFO L895 garLoopResultBuilder]: At program point L6795(line 6795) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)))) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (or (< 0 (+ (div |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) (div (+ (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 15) 18446744073709551616) 1)) .cse0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (< 0 (+ (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) (div (+ 15 (* (- 1) |ensure_string_is_allocated_bounded_length_~len~1#1|)) 18446744073709551616) 1)) .cse0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2023-11-12 02:33:04,668 INFO L899 garLoopResultBuilder]: For program point L6798-3(line 6798) no Hoare annotation was computed. [2023-11-12 02:33:04,668 INFO L895 garLoopResultBuilder]: At program point L6798-2(line 6798) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (<= (+ 18410715276689353099 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (* 18446744073709551616 (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616)))) [2023-11-12 02:33:04,668 INFO L899 garLoopResultBuilder]: For program point L6798-1(lines 6798 6799) no Hoare annotation was computed. [2023-11-12 02:33:04,668 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6788 6792) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-12 02:33:04,668 INFO L895 garLoopResultBuilder]: At program point L6790(line 6790) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-12 02:33:04,669 INFO L899 garLoopResultBuilder]: For program point L6798-5(lines 6798 6799) no Hoare annotation was computed. [2023-11-12 02:33:04,669 INFO L899 garLoopResultBuilder]: For program point L6789-1(line 6789) no Hoare annotation was computed. [2023-11-12 02:33:04,669 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6788 6792) no Hoare annotation was computed. [2023-11-12 02:33:04,669 INFO L895 garLoopResultBuilder]: At program point L6789(line 6789) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-11-12 02:33:04,669 INFO L899 garLoopResultBuilder]: For program point L6790-1(line 6790) no Hoare annotation was computed. [2023-11-12 02:33:04,669 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6870 6875) no Hoare annotation was computed. [2023-11-12 02:33:04,669 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6870 6875) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:33:04,669 INFO L899 garLoopResultBuilder]: For program point L6871-1(lines 6871 6873) no Hoare annotation was computed. [2023-11-12 02:33:04,669 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6870 6875) no Hoare annotation was computed. [2023-11-12 02:33:04,669 INFO L895 garLoopResultBuilder]: At program point L6871(lines 6871 6873) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:33:04,670 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2023-11-12 02:33:04,670 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-12 02:33:04,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-12 02:33:04,670 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6230 6234) no Hoare annotation was computed. [2023-11-12 02:33:04,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6230 6234) the Hoare annotation is: true [2023-11-12 02:33:04,670 INFO L902 garLoopResultBuilder]: At program point L6232-1(line 6232) the Hoare annotation is: true [2023-11-12 02:33:04,670 INFO L899 garLoopResultBuilder]: For program point L6232-2(line 6232) no Hoare annotation was computed. [2023-11-12 02:33:04,670 INFO L902 garLoopResultBuilder]: At program point L6232(line 6232) the Hoare annotation is: true [2023-11-12 02:33:04,670 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6230 6234) no Hoare annotation was computed. [2023-11-12 02:33:04,670 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-12 02:33:04,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-12 02:33:04,670 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6877 6879) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6877 6879) the Hoare annotation is: true [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6877 6879) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point L6244-5(line 6244) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point L6244-3(line 6244) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6240 6245) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6240 6245) the Hoare annotation is: true [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6240 6245) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2023-11-12 02:33:04,671 INFO L899 garLoopResultBuilder]: For program point L6244(line 6244) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7339-11(line 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7339-10(line 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7338(lines 7338 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7336 7340) the Hoare annotation is: true [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7338-2(lines 7338 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validEXIT(lines 7336 7340) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7339(line 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7339-5(line 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7339-4(line 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7339-2(line 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point L7339-8(line 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,672 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validFINAL(lines 7336 7340) no Hoare annotation was computed. [2023-11-12 02:33:04,673 INFO L899 garLoopResultBuilder]: For program point L7339-6(line 7339) no Hoare annotation was computed. [2023-11-12 02:33:04,673 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-12 02:33:04,673 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2023-11-12 02:33:04,673 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-12 02:33:04,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:33:04,673 INFO L899 garLoopResultBuilder]: For program point L9507-2(line 9507) no Hoare annotation was computed. [2023-11-12 02:33:04,673 INFO L895 garLoopResultBuilder]: At program point L7098(line 7098) the Hoare annotation is: false [2023-11-12 02:33:04,673 INFO L899 garLoopResultBuilder]: For program point L9503(lines 9503 9511) no Hoare annotation was computed. [2023-11-12 02:33:04,673 INFO L895 garLoopResultBuilder]: At program point L7094(line 7094) the Hoare annotation is: false [2023-11-12 02:33:04,673 INFO L899 garLoopResultBuilder]: For program point L7098-1(line 7098) no Hoare annotation was computed. [2023-11-12 02:33:04,673 INFO L899 garLoopResultBuilder]: For program point L7094-1(line 7094) no Hoare annotation was computed. [2023-11-12 02:33:04,674 INFO L899 garLoopResultBuilder]: For program point L7088-1(lines 7087 7100) no Hoare annotation was computed. [2023-11-12 02:33:04,674 INFO L895 garLoopResultBuilder]: At program point L9483(line 9483) the Hoare annotation is: false [2023-11-12 02:33:04,674 INFO L895 garLoopResultBuilder]: At program point L7088(line 7088) the Hoare annotation is: false [2023-11-12 02:33:04,674 INFO L895 garLoopResultBuilder]: At program point L9483-1(line 9483) the Hoare annotation is: false [2023-11-12 02:33:04,674 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:33:04,674 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(line 9512) no Hoare annotation was computed. [2023-11-12 02:33:04,674 INFO L895 garLoopResultBuilder]: At program point L9508(line 9508) the Hoare annotation is: false [2023-11-12 02:33:04,674 INFO L899 garLoopResultBuilder]: For program point L9508-1(line 9508) no Hoare annotation was computed. [2023-11-12 02:33:04,674 INFO L895 garLoopResultBuilder]: At program point L9506(line 9506) the Hoare annotation is: false [2023-11-12 02:33:04,674 INFO L899 garLoopResultBuilder]: For program point L9483-2(line 9483) no Hoare annotation was computed. [2023-11-12 02:33:04,674 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:33:04,674 INFO L895 garLoopResultBuilder]: At program point L9506-1(line 9506) the Hoare annotation is: false [2023-11-12 02:33:04,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:33:04,675 INFO L902 garLoopResultBuilder]: At program point L9504(line 9504) the Hoare annotation is: true [2023-11-12 02:33:04,675 INFO L899 garLoopResultBuilder]: For program point L9506-2(line 9506) no Hoare annotation was computed. [2023-11-12 02:33:04,675 INFO L899 garLoopResultBuilder]: For program point L9504-1(line 9504) no Hoare annotation was computed. [2023-11-12 02:33:04,675 INFO L899 garLoopResultBuilder]: For program point L7095-1(lines 7095 7097) no Hoare annotation was computed. [2023-11-12 02:33:04,675 INFO L895 garLoopResultBuilder]: At program point L7095(lines 7095 7097) the Hoare annotation is: false [2023-11-12 02:33:04,675 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_from_array_returnLabel#1(lines 8203 8210) no Hoare annotation was computed. [2023-11-12 02:33:04,675 INFO L899 garLoopResultBuilder]: For program point L8208-2(line 8208) no Hoare annotation was computed. [2023-11-12 02:33:04,681 INFO L895 garLoopResultBuilder]: At program point L9484(line 9484) the Hoare annotation is: false [2023-11-12 02:33:04,682 INFO L895 garLoopResultBuilder]: At program point L8208-1(line 8208) the Hoare annotation is: false [2023-11-12 02:33:04,683 INFO L899 garLoopResultBuilder]: For program point L7087(lines 7087 7100) no Hoare annotation was computed. [2023-11-12 02:33:04,683 INFO L899 garLoopResultBuilder]: For program point L9484-1(line 9484) no Hoare annotation was computed. [2023-11-12 02:33:04,683 INFO L895 garLoopResultBuilder]: At program point L8208(line 8208) the Hoare annotation is: false [2023-11-12 02:33:04,683 INFO L899 garLoopResultBuilder]: For program point L8204-1(line 8204) no Hoare annotation was computed. [2023-11-12 02:33:04,683 INFO L895 garLoopResultBuilder]: At program point L8204(line 8204) the Hoare annotation is: false [2023-11-12 02:33:04,683 INFO L895 garLoopResultBuilder]: At program point L9509(line 9509) the Hoare annotation is: false [2023-11-12 02:33:04,684 INFO L899 garLoopResultBuilder]: For program point L9509-1(line 9509) no Hoare annotation was computed. [2023-11-12 02:33:04,684 INFO L895 garLoopResultBuilder]: At program point L9507(line 9507) the Hoare annotation is: false [2023-11-12 02:33:04,684 INFO L895 garLoopResultBuilder]: At program point L9507-1(line 9507) the Hoare annotation is: false [2023-11-12 02:33:04,684 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_from_string_returnLabel#1(lines 9482 9485) no Hoare annotation was computed. [2023-11-12 02:33:04,684 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-12 02:33:04,684 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-12 02:33:04,684 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-12 02:33:04,685 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-12 02:33:04,685 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-12 02:33:04,685 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-12 02:33:04,687 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:33:04,690 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:33:04,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:33:04 BoogieIcfgContainer [2023-11-12 02:33:04,697 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:33:04,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:33:04,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:33:04,698 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:33:04,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:42" (3/4) ... [2023-11-12 02:33:04,701 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:33:04,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2023-11-12 02:33:04,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-12 02:33:04,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_cursor_is_valid [2023-11-12 02:33:04,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-12 02:33:04,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-12 02:33:04,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2023-11-12 02:33:04,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 02:33:04,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 02:33:04,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-12 02:33:04,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-11-12 02:33:04,729 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 123 nodes and edges [2023-11-12 02:33:04,731 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-12 02:33:04,733 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-12 02:33:04,735 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-12 02:33:04,736 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:33:04,739 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:33:04,740 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 02:33:04,742 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:33:05,584 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:33:05,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:33:05,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:33:05,586 INFO L158 Benchmark]: Toolchain (without parser) took 29581.43ms. Allocated memory was 167.8MB in the beginning and 396.4MB in the end (delta: 228.6MB). Free memory was 111.8MB in the beginning and 80.3MB in the end (delta: 31.4MB). Peak memory consumption was 261.9MB. Max. memory is 16.1GB. [2023-11-12 02:33:05,586 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 134.2MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:05,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3623.45ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 111.8MB in the beginning and 128.4MB in the end (delta: -16.7MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2023-11-12 02:33:05,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.07ms. Allocated memory is still 209.7MB. Free memory was 128.4MB in the beginning and 116.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:33:05,588 INFO L158 Benchmark]: Boogie Preprocessor took 115.80ms. Allocated memory is still 209.7MB. Free memory was 116.9MB in the beginning and 109.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:33:05,588 INFO L158 Benchmark]: RCFGBuilder took 2111.25ms. Allocated memory is still 209.7MB. Free memory was 109.6MB in the beginning and 95.5MB in the end (delta: 14.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-12 02:33:05,588 INFO L158 Benchmark]: TraceAbstraction took 22574.10ms. Allocated memory was 209.7MB in the beginning and 396.4MB in the end (delta: 186.6MB). Free memory was 95.5MB in the beginning and 212.4MB in the end (delta: -116.9MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2023-11-12 02:33:05,589 INFO L158 Benchmark]: Witness Printer took 887.77ms. Allocated memory is still 396.4MB. Free memory was 212.4MB in the beginning and 80.3MB in the end (delta: 132.1MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:05,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 134.2MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3623.45ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 111.8MB in the beginning and 128.4MB in the end (delta: -16.7MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.07ms. Allocated memory is still 209.7MB. Free memory was 128.4MB in the beginning and 116.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.80ms. Allocated memory is still 209.7MB. Free memory was 116.9MB in the beginning and 109.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2111.25ms. Allocated memory is still 209.7MB. Free memory was 109.6MB in the beginning and 95.5MB in the end (delta: 14.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 22574.10ms. Allocated memory was 209.7MB in the beginning and 396.4MB in the end (delta: 186.6MB). Free memory was 95.5MB in the beginning and 212.4MB in the end (delta: -116.9MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Witness Printer took 887.77ms. Allocated memory is still 396.4MB. Free memory was 212.4MB in the beginning and 80.3MB in the end (delta: 132.1MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8221]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] - GenericResultAtLocation [Line: 8707]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] * 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 11 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 3, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 209 mSDsluCounter, 731 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 573 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1137 IncrementalHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 158 mSDtfsCounter, 1137 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 212 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 86 PreInvPairs, 89 NumberOfFragments, 239 HoareAnnotationTreeSize, 86 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 426 ConstructedInterpolants, 44 QuantifiedInterpolants, 6222 SizeOfPredicates, 32 NumberOfNonLiveVariables, 2636 ConjunctsInSsa, 107 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 194/235 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:33:05,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_430f0250-ab05-4d65-8dce-46ba4340c091/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