./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:40:58,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:40:59,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:40:59,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:40:59,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:40:59,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:40:59,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:40:59,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:40:59,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:40:59,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:40:59,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:40:59,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:40:59,164 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:40:59,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:40:59,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:40:59,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:40:59,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:40:59,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:40:59,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:40:59,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:40:59,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:40:59,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:40:59,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:40:59,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:40:59,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:40:59,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:59,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:40:59,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:40:59,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:40:59,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:40:59,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:40:59,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:40:59,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:40:59,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:40:59,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:40:59,177 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:40:59,178 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_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2023-11-06 22:40:59,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:40:59,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:40:59,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:40:59,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:40:59,503 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:40:59,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2023-11-06 22:41:02,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:03,416 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:03,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2023-11-06 22:41:03,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/data/15e5c95db/74d46921dc3c4c3d9490f700fcca4a63/FLAG2e0c94630 [2023-11-06 22:41:03,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/data/15e5c95db/74d46921dc3c4c3d9490f700fcca4a63 [2023-11-06 22:41:03,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:41:03,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:41:03,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:03,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:41:03,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:41:03,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:03" (1/1) ... [2023-11-06 22:41:03,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb87595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:03, skipping insertion in model container [2023-11-06 22:41:03,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:03" (1/1) ... [2023-11-06 22:41:03,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:41:04,052 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_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4501,4514] [2023-11-06 22:41:04,062 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_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4561,4574] [2023-11-06 22:41:05,548 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:05,549 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:05,550 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:05,551 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:05,552 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:05,566 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:05,567 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:05,595 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:05,598 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,181 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:41:06,182 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:41:06,183 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:41:06,186 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:41:06,192 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:41:06,192 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:41:06,195 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:41:06,197 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:41:06,199 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:41:06,201 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:41:06,537 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,538 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:06,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:41:06,707 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_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4501,4514] [2023-11-06 22:41:06,707 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_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4561,4574] [2023-11-06 22:41:06,761 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,762 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,763 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,763 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,764 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,775 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,775 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,776 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,776 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,827 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:41:06,829 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:41:06,829 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:41:06,830 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:41:06,833 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:41:06,833 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:41:06,834 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:41:06,835 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:41:06,835 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:41:06,836 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:41:06,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2023-11-06 22:41:06,985 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:06,986 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:41:07,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2023-11-06 22:41:07,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:07,273 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,273 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,273 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,273 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,273 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,274 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,274 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,274 WARN L672 CHandler]: The function s_global_handler is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,274 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,274 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,274 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,275 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,275 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,275 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,275 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,275 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,275 WARN L672 CHandler]: The function tl_thread_handler is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,276 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,276 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,276 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:07,284 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:41:07,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07 WrapperNode [2023-11-06 22:41:07,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:07,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:07,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:41:07,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:41:07,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,504 INFO L138 Inliner]: procedures = 692, calls = 2790, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 832 [2023-11-06 22:41:07,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:07,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:41:07,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:41:07,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:41:07,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:41:07,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:41:07,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:41:07,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:41:07,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (1/1) ... [2023-11-06 22:41:07,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:07,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:07,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:07,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:41:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-06 22:41:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-06 22:41:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-11-06 22:41:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-11-06 22:41:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-06 22:41:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-06 22:41:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:41:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-06 22:41:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-06 22:41:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:41:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:41:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:41:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:41:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:41:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:41:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:41:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:41:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-06 22:41:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-06 22:41:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:41:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-06 22:41:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-06 22:41:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:41:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:41:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:41:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:41:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:41:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-06 22:41:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-06 22:41:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-06 22:41:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-06 22:41:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:41:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:41:08,116 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:41:08,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:41:09,760 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:41:09,768 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:41:09,769 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:41:09,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:09 BoogieIcfgContainer [2023-11-06 22:41:09,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:41:09,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:41:09,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:41:09,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:41:09,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:03" (1/3) ... [2023-11-06 22:41:09,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff86a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:09, skipping insertion in model container [2023-11-06 22:41:09,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:07" (2/3) ... [2023-11-06 22:41:09,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff86a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:09, skipping insertion in model container [2023-11-06 22:41:09,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:09" (3/3) ... [2023-11-06 22:41:09,785 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2023-11-06 22:41:09,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:41:09,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:41:09,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:41:09,887 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64e08e07, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:41:09,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:41:09,894 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) [2023-11-06 22:41:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 22:41:09,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:09,909 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] [2023-11-06 22:41:09,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:09,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:09,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1122645662, now seen corresponding path program 1 times [2023-11-06 22:41:09,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:09,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037224454] [2023-11-06 22:41:09,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:09,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:10,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:10,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:41:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:41:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:41:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:41:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:41:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:41:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-06 22:41:11,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:11,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037224454] [2023-11-06 22:41:11,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037224454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:11,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:11,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:41:11,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072793571] [2023-11-06 22:41:11,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:11,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:41:11,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:11,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:41:11,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:41:11,279 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) [2023-11-06 22:41:11,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:11,720 INFO L93 Difference]: Finished difference Result 201 states and 264 transitions. [2023-11-06 22:41:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:41:11,723 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 [2023-11-06 22:41:11,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:11,737 INFO L225 Difference]: With dead ends: 201 [2023-11-06 22:41:11,737 INFO L226 Difference]: Without dead ends: 98 [2023-11-06 22:41:11,743 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 [2023-11-06 22:41:11,751 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 [2023-11-06 22:41:11,752 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] [2023-11-06 22:41:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-06 22:41:11,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-06 22:41:11,804 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) [2023-11-06 22:41:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2023-11-06 22:41:11,809 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 85 [2023-11-06 22:41:11,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:11,811 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2023-11-06 22:41:11,812 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) [2023-11-06 22:41:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2023-11-06 22:41:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 22:41:11,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:11,817 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] [2023-11-06 22:41:11,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:41:11,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:11,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:11,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1334345696, now seen corresponding path program 1 times [2023-11-06 22:41:11,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:11,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142803377] [2023-11-06 22:41:11,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:41:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:41:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:41:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:41:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:41:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:41:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-06 22:41:12,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:12,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142803377] [2023-11-06 22:41:12,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142803377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:12,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:12,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:41:12,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086182605] [2023-11-06 22:41:12,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:12,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:41:12,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:12,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:41:12,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:41:12,945 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) [2023-11-06 22:41:13,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:13,452 INFO L93 Difference]: Finished difference Result 155 states and 190 transitions. [2023-11-06 22:41:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:41:13,452 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 [2023-11-06 22:41:13,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:13,456 INFO L225 Difference]: With dead ends: 155 [2023-11-06 22:41:13,457 INFO L226 Difference]: Without dead ends: 101 [2023-11-06 22:41:13,458 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 [2023-11-06 22:41:13,459 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 110 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:13,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 230 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:41:13,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-06 22:41:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-06 22:41:13,484 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) [2023-11-06 22:41:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 123 transitions. [2023-11-06 22:41:13,487 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 123 transitions. Word has length 85 [2023-11-06 22:41:13,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:13,489 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 123 transitions. [2023-11-06 22:41:13,490 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) [2023-11-06 22:41:13,490 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 123 transitions. [2023-11-06 22:41:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 22:41:13,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:13,499 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] [2023-11-06 22:41:13,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:41:13,500 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:13,500 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:13,500 INFO L85 PathProgramCache]: Analyzing trace with hash 50703397, now seen corresponding path program 1 times [2023-11-06 22:41:13,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:13,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893763956] [2023-11-06 22:41:13,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:13,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:41:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:41:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:41:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:41:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:41:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:41:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-06 22:41:15,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:15,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893763956] [2023-11-06 22:41:15,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893763956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:15,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:15,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:41:15,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507262424] [2023-11-06 22:41:15,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:15,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:41:15,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:15,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:41:15,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:41:15,082 INFO L87 Difference]: Start difference. First operand 101 states and 123 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:41:15,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:15,749 INFO L93 Difference]: Finished difference Result 113 states and 136 transitions. [2023-11-06 22:41:15,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:41:15,750 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 87 [2023-11-06 22:41:15,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:15,752 INFO L225 Difference]: With dead ends: 113 [2023-11-06 22:41:15,753 INFO L226 Difference]: Without dead ends: 111 [2023-11-06 22:41:15,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:41:15,754 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 119 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:15,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 385 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:41:15,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-06 22:41:15,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2023-11-06 22:41:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 73 states have internal predecessors, (79), 26 states have call successors, (26), 11 states have call predecessors, (26), 13 states have return successors, (28), 25 states have call predecessors, (28), 25 states have call successors, (28) [2023-11-06 22:41:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 133 transitions. [2023-11-06 22:41:15,770 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 133 transitions. Word has length 87 [2023-11-06 22:41:15,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:15,770 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 133 transitions. [2023-11-06 22:41:15,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:41:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2023-11-06 22:41:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:41:15,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:15,773 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, 1, 1, 1, 1] [2023-11-06 22:41:15,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:41:15,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:15,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:15,774 INFO L85 PathProgramCache]: Analyzing trace with hash 976473645, now seen corresponding path program 1 times [2023-11-06 22:41:15,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:15,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483211715] [2023-11-06 22:41:15,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:15,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:18,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:41:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:41:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:41:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:41:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:41:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:41:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-06 22:41:19,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:19,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483211715] [2023-11-06 22:41:19,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483211715] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:41:19,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593629449] [2023-11-06 22:41:19,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:19,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:19,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:19,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:19,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:41:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:19,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 2648 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-06 22:41:19,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:20,209 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-06 22:41:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-06 22:41:20,724 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:20,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593629449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:20,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:41:20,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2023-11-06 22:41:20,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432445167] [2023-11-06 22:41:20,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:20,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 22:41:20,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:20,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 22:41:20,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=801, Unknown=0, NotChecked=0, Total=870 [2023-11-06 22:41:20,728 INFO L87 Difference]: Start difference. First operand 110 states and 133 transitions. Second operand has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) [2023-11-06 22:41:23,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:26,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:27,018 INFO L93 Difference]: Finished difference Result 194 states and 232 transitions. [2023-11-06 22:41:27,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 22:41:27,019 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) Word has length 91 [2023-11-06 22:41:27,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:27,021 INFO L225 Difference]: With dead ends: 194 [2023-11-06 22:41:27,021 INFO L226 Difference]: Without dead ends: 133 [2023-11-06 22:41:27,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=155, Invalid=1825, Unknown=0, NotChecked=0, Total=1980 [2023-11-06 22:41:27,024 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 121 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:27,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1506 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 508 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2023-11-06 22:41:27,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-06 22:41:27,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 125. [2023-11-06 22:41:27,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 83 states have (on average 1.144578313253012) internal successors, (95), 86 states have internal predecessors, (95), 26 states have call successors, (26), 13 states have call predecessors, (26), 15 states have return successors, (28), 25 states have call predecessors, (28), 25 states have call successors, (28) [2023-11-06 22:41:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2023-11-06 22:41:27,051 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 91 [2023-11-06 22:41:27,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:27,052 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2023-11-06 22:41:27,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) [2023-11-06 22:41:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2023-11-06 22:41:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:41:27,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:27,054 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, 1, 1, 1, 1] [2023-11-06 22:41:27,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:41:27,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:27,265 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:27,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:27,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1234639083, now seen corresponding path program 1 times [2023-11-06 22:41:27,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:27,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363705774] [2023-11-06 22:41:27,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:27,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:41:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:41:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:41:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:41:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:41:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:41:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-06 22:41:28,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:28,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363705774] [2023-11-06 22:41:28,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363705774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:28,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:28,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:41:28,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373831616] [2023-11-06 22:41:28,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:28,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:41:28,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:28,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:41:28,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:41:28,659 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:41:29,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:29,165 INFO L93 Difference]: Finished difference Result 188 states and 226 transitions. [2023-11-06 22:41:29,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:41:29,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 91 [2023-11-06 22:41:29,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:29,168 INFO L225 Difference]: With dead ends: 188 [2023-11-06 22:41:29,168 INFO L226 Difference]: Without dead ends: 123 [2023-11-06 22:41:29,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:41:29,170 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 58 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:29,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 191 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:41:29,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-06 22:41:29,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-06 22:41:29,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 81 states have (on average 1.123456790123457) internal successors, (91), 84 states have internal predecessors, (91), 26 states have call successors, (26), 13 states have call predecessors, (26), 15 states have return successors, (28), 25 states have call predecessors, (28), 25 states have call successors, (28) [2023-11-06 22:41:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2023-11-06 22:41:29,188 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 91 [2023-11-06 22:41:29,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:29,189 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2023-11-06 22:41:29,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:41:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2023-11-06 22:41:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-06 22:41:29,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:29,191 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, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:29,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:41:29,191 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:29,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2058076652, now seen corresponding path program 1 times [2023-11-06 22:41:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:29,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037826604] [2023-11-06 22:41:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:41:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:41:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:41:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:41:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:41:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:41:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-06 22:41:31,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:31,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037826604] [2023-11-06 22:41:31,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037826604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:31,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:31,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-06 22:41:31,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310183533] [2023-11-06 22:41:31,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:31,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:41:31,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:31,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:41:31,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:41:31,489 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:41:32,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:32,856 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2023-11-06 22:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:41:32,857 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 93 [2023-11-06 22:41:32,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:32,859 INFO L225 Difference]: With dead ends: 130 [2023-11-06 22:41:32,859 INFO L226 Difference]: Without dead ends: 128 [2023-11-06 22:41:32,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:41:32,861 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 88 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:32,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 622 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:41:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-06 22:41:32,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 118. [2023-11-06 22:41:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 25 states have call successors, (25), 13 states have call predecessors, (25), 14 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2023-11-06 22:41:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2023-11-06 22:41:32,882 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 93 [2023-11-06 22:41:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:32,884 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2023-11-06 22:41:32,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:41:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2023-11-06 22:41:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:41:32,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:32,886 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:32,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:41:32,886 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:32,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:32,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1315799824, now seen corresponding path program 1 times [2023-11-06 22:41:32,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:32,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544177541] [2023-11-06 22:41:32,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:32,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:41:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:41:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:41:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:41:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:41:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:41:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:41:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:41:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:41:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:41:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-06 22:41:35,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:35,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544177541] [2023-11-06 22:41:35,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544177541] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:41:35,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433376491] [2023-11-06 22:41:35,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:35,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:35,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:35,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:35,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:41:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:36,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 2693 conjuncts, 128 conjunts are in the unsatisfiable core [2023-11-06 22:41:36,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:36,583 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 8 treesize of output 1 [2023-11-06 22:41:38,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:41:38,638 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 69 treesize of output 59 [2023-11-06 22:41:38,648 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2023-11-06 22:41:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:41:45,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:41:46,207 INFO L322 Elim1Store]: treesize reduction 452, result has 29.0 percent of original size [2023-11-06 22:41:46,208 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 3 disjoint index pairs (out of 78 index pairs), introduced 18 new quantified variables, introduced 73 case distinctions, treesize of input 265 treesize of output 336 [2023-11-06 22:41:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-06 22:41:46,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:41:53,343 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:41:53,344 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 89 [2023-11-06 22:41:53,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433376491] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:41:53,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:41:53,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 38] total 48 [2023-11-06 22:41:53,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009235016] [2023-11-06 22:41:53,949 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:41:53,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-06 22:41:53,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:53,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-06 22:41:53,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=3820, Unknown=1, NotChecked=0, Total=4032 [2023-11-06 22:41:53,954 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand has 48 states, 41 states have (on average 2.4390243902439024) internal successors, (100), 35 states have internal predecessors, (100), 15 states have call successors, (32), 8 states have call predecessors, (32), 13 states have return successors, (30), 17 states have call predecessors, (30), 14 states have call successors, (30) [2023-11-06 22:41:57,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:57,406 INFO L93 Difference]: Finished difference Result 125 states and 143 transitions. [2023-11-06 22:41:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:41:57,407 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 41 states have (on average 2.4390243902439024) internal successors, (100), 35 states have internal predecessors, (100), 15 states have call successors, (32), 8 states have call predecessors, (32), 13 states have return successors, (30), 17 states have call predecessors, (30), 14 states have call successors, (30) Word has length 103 [2023-11-06 22:41:57,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:57,407 INFO L225 Difference]: With dead ends: 125 [2023-11-06 22:41:57,408 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:41:57,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 106 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=295, Invalid=5404, Unknown=1, NotChecked=0, Total=5700 [2023-11-06 22:41:57,412 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 35 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:57,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 356 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 22:41:57,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:41:57,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:41:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:41:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:41:57,414 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2023-11-06 22:41:57,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:57,414 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:41:57,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 41 states have (on average 2.4390243902439024) internal successors, (100), 35 states have internal predecessors, (100), 15 states have call successors, (32), 8 states have call predecessors, (32), 13 states have return successors, (30), 17 states have call predecessors, (30), 14 states have call successors, (30) [2023-11-06 22:41:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:41:57,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:41:57,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:41:57,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:41:57,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:41:58,073 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6800 6804) no Hoare annotation was computed. [2023-11-06 22:41:58,074 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (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) (exists ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0))) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 1) |#StackHeapBarrier|))) [2023-11-06 22:41:58,074 INFO L899 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2023-11-06 22:41:58,074 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_returnLabel#1(lines 6806 6816) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (and (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 1) |#StackHeapBarrier|) (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_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 1) |#StackHeapBarrier|) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 0))) [2023-11-06 22:41:58,074 INFO L895 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (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|)))) [2023-11-06 22:41:58,074 INFO L899 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2023-11-06 22:41:58,074 INFO L895 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (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) (exists ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0))) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 1) |#StackHeapBarrier|))) [2023-11-06 22:41:58,075 INFO L899 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2023-11-06 22:41:58,075 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (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|))) [2023-11-06 22:41:58,075 INFO L899 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2023-11-06 22:41:58,075 INFO L899 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2023-11-06 22:41:58,075 INFO L895 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (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|))) [2023-11-06 22:41:58,075 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2023-11-06 22:41:58,075 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6800 6804) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0))) [2023-11-06 22:41:58,075 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6800 6804) no Hoare annotation was computed. [2023-11-06 22:41:58,075 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2023-11-06 22:41:58,076 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6882 6887) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2023-11-06 22:41:58,076 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2023-11-06 22:41:58,076 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2023-11-06 22:41:58,076 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2023-11-06 22:41:58,076 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2023-11-06 22:41:58,076 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-06 22:41:58,076 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-06 22:41:58,076 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6242 6246) no Hoare annotation was computed. [2023-11-06 22:41:58,076 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6242 6246) the Hoare annotation is: true [2023-11-06 22:41:58,076 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6242 6246) no Hoare annotation was computed. [2023-11-06 22:41:58,077 INFO L902 garLoopResultBuilder]: At program point L6244-1(line 6244) the Hoare annotation is: true [2023-11-06 22:41:58,077 INFO L899 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2023-11-06 22:41:58,077 INFO L902 garLoopResultBuilder]: At program point L6244(line 6244) the Hoare annotation is: true [2023-11-06 22:41:58,077 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-06 22:41:58,077 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-06 22:41:58,077 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-06 22:41:58,077 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-06 22:41:58,077 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2023-11-06 22:41:58,077 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6889 6891) the Hoare annotation is: true [2023-11-06 22:41:58,077 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6252 6257) the Hoare annotation is: true [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point L7371(line 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7368 7372) the Hoare annotation is: true [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point L7371-5(line 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point L7371-4(line 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,078 INFO L899 garLoopResultBuilder]: For program point L7371-2(line 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point L7371-8(line 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point L7371-6(line 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validEXIT(lines 7368 7372) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point L7371-11(line 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point L7371-10(line 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point L7370(lines 7370 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point L7370-2(lines 7370 7371) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validFINAL(lines 7368 7372) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2023-11-06 22:41:58,079 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-06 22:41:58,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:41:58,080 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2023-11-06 22:41:58,080 INFO L899 garLoopResultBuilder]: For program point L9538-1(line 9538) no Hoare annotation was computed. [2023-11-06 22:41:58,080 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2023-11-06 22:41:58,080 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: false [2023-11-06 22:41:58,080 INFO L899 garLoopResultBuilder]: For program point L9518-1(line 9518) no Hoare annotation was computed. [2023-11-06 22:41:58,080 INFO L899 garLoopResultBuilder]: For program point L8240-2(line 8240) no Hoare annotation was computed. [2023-11-06 22:41:58,080 INFO L895 garLoopResultBuilder]: At program point L8240-1(line 8240) the Hoare annotation is: false [2023-11-06 22:41:58,080 INFO L895 garLoopResultBuilder]: At program point L8240(line 8240) the Hoare annotation is: false [2023-11-06 22:41:58,080 INFO L899 garLoopResultBuilder]: For program point L8236-1(line 8236) no Hoare annotation was computed. [2023-11-06 22:41:58,080 INFO L895 garLoopResultBuilder]: At program point L8236(line 8236) the Hoare annotation is: false [2023-11-06 22:41:58,081 INFO L895 garLoopResultBuilder]: At program point L9518(line 9518) the Hoare annotation is: false [2023-11-06 22:41:58,081 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:41:58,081 INFO L895 garLoopResultBuilder]: At program point L9541(line 9541) the Hoare annotation is: false [2023-11-06 22:41:58,081 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(line 9546) the Hoare annotation is: true [2023-11-06 22:41:58,081 INFO L895 garLoopResultBuilder]: At program point L9541-1(line 9541) the Hoare annotation is: false [2023-11-06 22:41:58,081 INFO L899 garLoopResultBuilder]: For program point L9541-2(line 9541) no Hoare annotation was computed. [2023-11-06 22:41:58,081 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2023-11-06 22:41:58,081 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: false [2023-11-06 22:41:58,081 INFO L895 garLoopResultBuilder]: At program point L9543(line 9543) the Hoare annotation is: false [2023-11-06 22:41:58,081 INFO L899 garLoopResultBuilder]: For program point L9543-1(line 9543) no Hoare annotation was computed. [2023-11-06 22:41:58,081 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:41:58,081 INFO L899 garLoopResultBuilder]: For program point L9537(lines 9537 9545) no Hoare annotation was computed. [2023-11-06 22:41:58,082 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:41:58,082 INFO L899 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2023-11-06 22:41:58,082 INFO L895 garLoopResultBuilder]: At program point aws_byte_cursor_from_array_returnLabel#1(lines 8235 8242) the Hoare annotation is: false [2023-11-06 22:41:58,082 INFO L895 garLoopResultBuilder]: At program point L9517(line 9517) the Hoare annotation is: false [2023-11-06 22:41:58,082 INFO L895 garLoopResultBuilder]: At program point L9517-1(line 9517) the Hoare annotation is: false [2023-11-06 22:41:58,082 INFO L899 garLoopResultBuilder]: For program point L9517-2(line 9517) no Hoare annotation was computed. [2023-11-06 22:41:58,082 INFO L899 garLoopResultBuilder]: For program point L9542-1(line 9542) no Hoare annotation was computed. [2023-11-06 22:41:58,082 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: false [2023-11-06 22:41:58,082 INFO L895 garLoopResultBuilder]: At program point L9540(line 9540) the Hoare annotation is: false [2023-11-06 22:41:58,082 INFO L895 garLoopResultBuilder]: At program point L9540-1(line 9540) the Hoare annotation is: false [2023-11-06 22:41:58,083 INFO L895 garLoopResultBuilder]: At program point L9538(line 9538) the Hoare annotation is: (exists ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0))) [2023-11-06 22:41:58,083 INFO L899 garLoopResultBuilder]: For program point L9540-2(line 9540) no Hoare annotation was computed. [2023-11-06 22:41:58,083 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: false [2023-11-06 22:41:58,083 INFO L895 garLoopResultBuilder]: At program point aws_byte_cursor_from_string_returnLabel#1(lines 9516 9519) the Hoare annotation is: false [2023-11-06 22:41:58,083 INFO L895 garLoopResultBuilder]: At program point L9542(line 9542) the Hoare annotation is: false [2023-11-06 22:41:58,083 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2023-11-06 22:41:58,083 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-06 22:41:58,083 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-06 22:41:58,083 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-06 22:41:58,083 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-06 22:41:58,084 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-06 22:41:58,084 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-06 22:41:58,086 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:58,090 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:41:58,102 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1 : int :: old(#memory_$Pointer$.base)[v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1][8] == 0) could not be translated [2023-11-06 22:41:58,103 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator [2023-11-06 22:41:58,104 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1 : int :: old(#memory_$Pointer$.base)[v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1][8] == 0) could not be translated [2023-11-06 22:41:58,104 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator [2023-11-06 22:41:58,105 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (or (forall ((|v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1| Int)) (= (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1|) 8) 0)) (and (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 1) |#StackHeapBarrier|) (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_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (<= (+ |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 1) |#StackHeapBarrier|) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 0))) [2023-11-06 22:41:58,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:41:58 BoogieIcfgContainer [2023-11-06 22:41:58,105 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:41:58,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:41:58,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:41:58,107 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:41:58,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:09" (3/4) ... [2023-11-06 22:41:58,109 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:41:58,113 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2023-11-06 22:41:58,113 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-06 22:41:58,113 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_cursor_is_valid [2023-11-06 22:41:58,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-06 22:41:58,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-06 22:41:58,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2023-11-06 22:41:58,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:41:58,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-06 22:41:58,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-06 22:41:58,115 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-11-06 22:41:58,129 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 123 nodes and edges [2023-11-06 22:41:58,131 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-06 22:41:58,133 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-06 22:41:58,135 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 22:41:58,137 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:41:58,138 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:41:58,140 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 22:41:58,142 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:41:58,921 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:41:58,922 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:41:58,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:41:58,923 INFO L158 Benchmark]: Toolchain (without parser) took 55429.96ms. Allocated memory was 148.9MB in the beginning and 570.4MB in the end (delta: 421.5MB). Free memory was 94.4MB in the beginning and 494.4MB in the end (delta: -400.0MB). Peak memory consumption was 383.2MB. Max. memory is 16.1GB. [2023-11-06 22:41:58,923 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:41:58,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3788.50ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 63.1MB in the end (delta: 31.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2023-11-06 22:41:58,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 227.07ms. Allocated memory is still 148.9MB. Free memory was 63.1MB in the beginning and 50.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:41:58,925 INFO L158 Benchmark]: Boogie Preprocessor took 151.06ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 50.5MB in the beginning and 121.2MB in the end (delta: -70.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:41:58,925 INFO L158 Benchmark]: RCFGBuilder took 2106.36ms. Allocated memory is still 186.6MB. Free memory was 121.2MB in the beginning and 90.0MB in the end (delta: 31.2MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-11-06 22:41:58,925 INFO L158 Benchmark]: TraceAbstraction took 48332.07ms. Allocated memory was 186.6MB in the beginning and 570.4MB in the end (delta: 383.8MB). Free memory was 90.0MB in the beginning and 265.8MB in the end (delta: -175.8MB). Peak memory consumption was 209.0MB. Max. memory is 16.1GB. [2023-11-06 22:41:58,926 INFO L158 Benchmark]: Witness Printer took 816.00ms. Allocated memory is still 570.4MB. Free memory was 265.8MB in the beginning and 494.4MB in the end (delta: -228.6MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2023-11-06 22:41:58,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3788.50ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 63.1MB in the end (delta: 31.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 227.07ms. Allocated memory is still 148.9MB. Free memory was 63.1MB in the beginning and 50.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.06ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 50.5MB in the beginning and 121.2MB in the end (delta: -70.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2106.36ms. Allocated memory is still 186.6MB. Free memory was 121.2MB in the beginning and 90.0MB in the end (delta: 31.2MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * TraceAbstraction took 48332.07ms. Allocated memory was 186.6MB in the beginning and 570.4MB in the end (delta: 383.8MB). Free memory was 90.0MB in the beginning and 265.8MB in the end (delta: -175.8MB). Peak memory consumption was 209.0MB. Max. memory is 16.1GB. * Witness Printer took 816.00ms. Allocated memory is still 570.4MB. Free memory was 265.8MB in the beginning and 494.4MB in the end (delta: -228.6MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8253]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] - GenericResultAtLocation [Line: 8739]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1 : int :: old(#memory_$Pointer$.base)[v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1][8] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1 : int :: old(#memory_$Pointer$.base)[v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1][8] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator * 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: 48.2s, OverallIterations: 7, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 657 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 3391 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2920 mSDsCounter, 235 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3251 IncrementalHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 235 mSolverCounterUnsat, 471 mSDtfsCounter, 3251 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 515 GetRequests, 342 SyntacticMatches, 3 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=4, InterpolantAutomatonStates: 76, 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, 7 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 112 PreInvPairs, 117 NumberOfFragments, 373 HoareAnnotationTreeSize, 112 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 122 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 30.3s InterpolantComputationTime, 829 NumberOfCodeBlocks, 829 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 820 ConstructedInterpolants, 38 QuantifiedInterpolants, 6667 SizeOfPredicates, 53 NumberOfNonLiveVariables, 5341 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 414/455 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant [2023-11-06 22:41:58,938 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1 : int :: old(#memory_$Pointer$.base)[v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1][8] == 0) could not be translated [2023-11-06 22:41:58,938 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator [2023-11-06 22:41:58,939 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1 : int :: old(#memory_$Pointer$.base)[v_ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base_BEFORE_CALL_1][8] == 0) could not be translated [2023-11-06 22:41:58,939 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionDeclarator Derived loop invariant: NULL - InvariantResult [Line: 9546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9516]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:41:58,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e874ae79-3d36-43bb-ae31-bf1d42f0f7ca/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE