./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2de28eed068a418d2c407ed403de852f700b18f3e0b342f3eb2f1e159ccc4656 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:27,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:27,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:52:27,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:27,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:27,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:27,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:27,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:27,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:27,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:27,714 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:27,715 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:27,716 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:27,716 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:27,717 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:27,718 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:27,718 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:27,719 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:27,720 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:27,721 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:27,722 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:27,723 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:27,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:27,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:27,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:27,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:27,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:27,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:27,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:27,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:27,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:27,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:27,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:27,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:27,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:27,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:27,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:27,733 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:27,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:27,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:27,735 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:27,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:27,736 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2de28eed068a418d2c407ed403de852f700b18f3e0b342f3eb2f1e159ccc4656 [2023-11-12 00:52:28,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:28,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:28,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:28,037 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:28,037 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:28,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i [2023-11-12 00:52:31,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:32,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:32,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i [2023-11-12 00:52:32,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/data/0dc49bbda/59eff1cc37ab423b958044ec90147980/FLAG51683b0d9 [2023-11-12 00:52:32,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/data/0dc49bbda/59eff1cc37ab423b958044ec90147980 [2023-11-12 00:52:32,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:32,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:32,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:32,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:32,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:32,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:32" (1/1) ... [2023-11-12 00:52:32,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68aba5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:32, skipping insertion in model container [2023-11-12 00:52:32,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:32" (1/1) ... [2023-11-12 00:52:32,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:32,722 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4499,4512] [2023-11-12 00:52:32,732 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4559,4572] [2023-11-12 00:52:34,071 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,072 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,073 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,075 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,076 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,098 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,100 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,103 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,104 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:34,700 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:52:34,702 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:52:34,704 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:52:34,706 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:52:34,709 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:52:34,711 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:52:34,712 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:52:34,713 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:52:34,715 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:52:34,716 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:52:35,236 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,240 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:35,444 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:35,473 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4499,4512] [2023-11-12 00:52:35,474 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4559,4572] [2023-11-12 00:52:35,530 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,532 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,532 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,533 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,535 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,545 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,545 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,547 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,548 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,613 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:52:35,614 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:52:35,615 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:52:35,616 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:52:35,618 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:52:35,618 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:52:35,619 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:52:35,620 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:52:35,621 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:52:35,625 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:52:35,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8239] [2023-11-12 00:52:35,753 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,756 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:35,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8725-8736] [2023-11-12 00:52:35,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:36,190 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,190 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,190 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,191 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,191 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,191 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,191 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,191 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,191 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,191 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,192 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,192 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,192 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,192 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,192 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,192 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,192 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,193 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:36,202 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:36,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36 WrapperNode [2023-11-12 00:52:36,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:36,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:36,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:36,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:36,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,526 INFO L138 Inliner]: procedures = 689, calls = 2623, calls flagged for inlining = 62, calls inlined = 10, statements flattened = 893 [2023-11-12 00:52:36,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:36,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:36,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:36,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:36,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:52:36,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:52:36,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:52:36,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:52:36,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (1/1) ... [2023-11-12 00:52:36,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:36,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:36,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:52:36,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:52:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-11-12 00:52:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-11-12 00:52:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:52:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 00:52:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 00:52:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:52:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:52:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:52:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_left_trim_pred [2023-11-12 00:52:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_left_trim_pred [2023-11-12 00:52:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:52:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:52:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:52:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:52:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:52:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:52:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:52:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-12 00:52:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-12 00:52:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:52:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:52:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:52:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:52:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:52:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~uint8_t~0~TO~int [2023-11-12 00:52:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~uint8_t~0~TO~int [2023-11-12 00:52:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:52:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:52:37,220 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:37,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:52:39,076 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:39,689 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:39,689 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:52:39,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:39 BoogieIcfgContainer [2023-11-12 00:52:39,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:39,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:39,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:39,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:39,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:32" (1/3) ... [2023-11-12 00:52:39,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff8392f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:39, skipping insertion in model container [2023-11-12 00:52:39,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:36" (2/3) ... [2023-11-12 00:52:39,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff8392f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:39, skipping insertion in model container [2023-11-12 00:52:39,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:39" (3/3) ... [2023-11-12 00:52:39,709 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_trim_pred_harness_negated.i [2023-11-12 00:52:39,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:39,731 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:39,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:39,817 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f308e2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:39,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 50 states have (on average 1.24) internal successors, (62), 51 states have internal predecessors, (62), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-12 00:52:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 00:52:39,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:39,837 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:39,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:39,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:39,851 INFO L85 PathProgramCache]: Analyzing trace with hash -726125795, now seen corresponding path program 1 times [2023-11-12 00:52:39,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:39,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227861759] [2023-11-12 00:52:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:39,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-12 00:52:40,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:40,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227861759] [2023-11-12 00:52:40,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227861759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:40,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:40,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:52:40,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064532087] [2023-11-12 00:52:40,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:40,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:52:40,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:40,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:52:40,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:52:40,913 INFO L87 Difference]: Start difference. First operand has 97 states, 50 states have (on average 1.24) internal successors, (62), 51 states have internal predecessors, (62), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:52:41,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:41,359 INFO L93 Difference]: Finished difference Result 156 states and 227 transitions. [2023-11-12 00:52:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:52:41,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 51 [2023-11-12 00:52:41,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:41,379 INFO L225 Difference]: With dead ends: 156 [2023-11-12 00:52:41,380 INFO L226 Difference]: Without dead ends: 91 [2023-11-12 00:52:41,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:52:41,398 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:41,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 00:52:41,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-12 00:52:41,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-12 00:52:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 47 states have internal predecessors, (53), 37 states have call successors, (37), 8 states have call predecessors, (37), 7 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:52:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2023-11-12 00:52:41,486 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 51 [2023-11-12 00:52:41,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:41,488 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2023-11-12 00:52:41,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:52:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2023-11-12 00:52:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-12 00:52:41,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:41,498 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:41,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:52:41,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:41,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:41,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1368277544, now seen corresponding path program 1 times [2023-11-12 00:52:41,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:41,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020237092] [2023-11-12 00:52:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:41,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:52:42,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:52:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:52:43,679 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:52:43,680 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:52:43,682 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:52:43,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:52:43,687 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 00:52:43,691 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:52:43,771 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,772 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,772 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,772 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,773 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,773 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,775 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1214 could not be translated [2023-11-12 00:52:43,775 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,776 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,776 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,776 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,776 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,777 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,777 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,777 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret508 could not be translated [2023-11-12 00:52:43,777 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,778 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,778 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,778 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,778 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite511 [2023-11-12 00:52:43,778 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,779 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,779 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret508 could not be translated [2023-11-12 00:52:43,779 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,779 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,779 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,780 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,780 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,780 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,780 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,780 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,781 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1215 could not be translated [2023-11-12 00:52:43,781 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,781 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,781 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,782 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,782 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,782 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,782 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,782 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,783 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,783 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1215 could not be translated [2023-11-12 00:52:43,783 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,783 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,784 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,784 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,784 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,784 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,785 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,785 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,785 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,785 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1006 could not be translated [2023-11-12 00:52:43,786 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,786 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,786 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,786 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,787 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,787 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,787 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,787 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,788 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,788 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,788 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,788 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1006 could not be translated [2023-11-12 00:52:43,793 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,793 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,793 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,794 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,794 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,795 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,795 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,795 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,796 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,798 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,799 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,799 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,800 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,801 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,801 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,802 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,802 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,805 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,805 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,805 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,806 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret990 could not be translated [2023-11-12 00:52:43,806 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,806 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,809 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,809 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,810 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,810 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,810 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,810 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret990 could not be translated [2023-11-12 00:52:43,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,812 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,812 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,816 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,816 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,817 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,817 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,817 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,817 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,818 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,818 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,818 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,819 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,819 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,819 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,819 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short997 could not be translated [2023-11-12 00:52:43,823 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,824 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,824 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem993 could not be translated [2023-11-12 00:52:43,824 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,825 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,825 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,825 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,826 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,826 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,826 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,826 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,826 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1002 could not be translated [2023-11-12 00:52:43,827 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,827 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,827 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,827 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,829 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,830 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,830 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,830 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,831 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-12 00:52:43,831 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-12 00:52:43,831 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-12 00:52:43,832 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-12 00:52:43,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:52:43 BoogieIcfgContainer [2023-11-12 00:52:43,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:52:43,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:52:43,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:52:43,848 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:52:43,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:39" (3/4) ... [2023-11-12 00:52:43,851 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:52:43,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:52:43,855 INFO L158 Benchmark]: Toolchain (without parser) took 11721.32ms. Allocated memory was 151.0MB in the beginning and 316.7MB in the end (delta: 165.7MB). Free memory was 94.6MB in the beginning and 221.3MB in the end (delta: -126.7MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-12 00:52:43,855 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 151.0MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:52:43,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4068.09ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 94.1MB in the beginning and 96.6MB in the end (delta: -2.5MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2023-11-12 00:52:43,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 323.75ms. Allocated memory is still 201.3MB. Free memory was 96.6MB in the beginning and 84.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:52:43,857 INFO L158 Benchmark]: Boogie Preprocessor took 145.14ms. Allocated memory is still 201.3MB. Free memory was 84.0MB in the beginning and 76.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:52:43,858 INFO L158 Benchmark]: RCFGBuilder took 3017.31ms. Allocated memory was 201.3MB in the beginning and 260.0MB in the end (delta: 58.7MB). Free memory was 76.6MB in the beginning and 112.5MB in the end (delta: -35.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-11-12 00:52:43,858 INFO L158 Benchmark]: TraceAbstraction took 4148.70ms. Allocated memory was 260.0MB in the beginning and 316.7MB in the end (delta: 56.6MB). Free memory was 111.5MB in the beginning and 221.3MB in the end (delta: -109.8MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2023-11-12 00:52:43,859 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 316.7MB. Free memory is still 221.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:52:43,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 151.0MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4068.09ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 94.1MB in the beginning and 96.6MB in the end (delta: -2.5MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 323.75ms. Allocated memory is still 201.3MB. Free memory was 96.6MB in the beginning and 84.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.14ms. Allocated memory is still 201.3MB. Free memory was 84.0MB in the beginning and 76.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3017.31ms. Allocated memory was 201.3MB in the beginning and 260.0MB in the end (delta: 58.7MB). Free memory was 76.6MB in the beginning and 112.5MB in the end (delta: -35.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4148.70ms. Allocated memory was 260.0MB in the beginning and 316.7MB in the end (delta: 56.6MB). Free memory was 111.5MB in the beginning and 221.3MB in the end (delta: -109.8MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 316.7MB. Free memory is still 221.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8239]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8239] - GenericResultAtLocation [Line: 8725]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8725-8736] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1214 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret508 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite511 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret508 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1215 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1215 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1006 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1006 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret990 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret990 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short997 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem993 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1002 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 8742. Possible FailurePath: [L6854-L6859] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7281] static __thread int tl_last_error = 0; [L7618-L7630] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L8741-L8889] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L8892-L8895] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8897-L8906] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L8908-L8911] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L8913-L8917] static _Bool s_common_library_initialized = 0 ; [L8952] CALL aws_byte_cursor_trim_pred_harness() [L8931] struct aws_byte_cursor cur; [L8934] CALL, EXPR aws_byte_cursor_is_bounded(&cur, 10) [L6657] EXPR cursor->len [L6657] return cursor->len <= max_size; [L8934] RET, EXPR aws_byte_cursor_is_bounded(&cur, 10) [L8934] CALL assume_abort_if_not(aws_byte_cursor_is_bounded(&cur, 10)) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8934] RET assume_abort_if_not(aws_byte_cursor_is_bounded(&cur, 10)) VAL [cur={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8935] CALL ensure_byte_cursor_has_allocated_buffer_member(&cur) [L6661] CALL, EXPR nondet_bool() VAL [errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L6661] RET, EXPR nondet_bool() VAL [cursor={258:0}, cursor={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6661-L6663] EXPR (nondet_bool()) ? ((void *)0) : bounded_malloc(cursor->len) VAL [cursor={258:0}, cursor={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6661-L6663] cursor->ptr = (nondet_bool()) ? ((void *)0) : bounded_malloc(cursor->len) [L8935] RET ensure_byte_cursor_has_allocated_buffer_member(&cur) [L8936] CALL, EXPR aws_byte_cursor_is_valid(&cur) VAL [cursor={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7356-L7357] EXPR cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))) [L7357] EXPR cursor->len [L7357] EXPR (cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr)))) [L7356-L7357] EXPR cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))) [L7356-L7357] return cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))); [L8936] RET, EXPR aws_byte_cursor_is_valid(&cur) VAL [cur={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8936] CALL assume_abort_if_not(aws_byte_cursor_is_valid(&cur)) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8936] RET assume_abort_if_not(aws_byte_cursor_is_valid(&cur)) VAL [cur={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8939] struct store_byte_from_buffer old_byte_from_cur; [L8940] EXPR cur.ptr [L8940] EXPR cur.len [L8940] CALL save_byte_from_array(cur.ptr, cur.len, &old_byte_from_cur) [L7123] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={0:0}, array={0:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, size=0, storage={259:0}, storage={259:0}, tl_last_error=0] [L8940] RET save_byte_from_array(cur.ptr, cur.len, &old_byte_from_cur) [L8943] struct aws_byte_cursor rv = aws_byte_cursor_trim_pred(&cur, uninterpreted_predicate_fn); [L8943] CALL aws_byte_cursor_trim_pred(&cur, uninterpreted_predicate_fn) [L8060] CALL, EXPR aws_byte_cursor_is_valid(source) VAL [cursor={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7356-L7357] EXPR cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))) [L7357] EXPR cursor->len [L7357] EXPR (cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr)))) [L7356-L7357] EXPR cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))) [L7356-L7357] return cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))); [L8060] RET, EXPR aws_byte_cursor_is_valid(source) VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0] [L8060] CALL assume_abort_if_not((aws_byte_cursor_is_valid(source))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8060] RET assume_abort_if_not((aws_byte_cursor_is_valid(source))) VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0] [L8061-L8063] CALL assume_abort_if_not((predicate != ((void *)0) )) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8061-L8063] RET assume_abort_if_not((predicate != ((void *)0) )) VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0] [L8064] struct aws_byte_cursor left_trimmed = aws_byte_cursor_left_trim_pred(source, predicate); VAL [errors={196:0}, left_trimmed={261:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0] [L8064] CALL aws_byte_cursor_left_trim_pred(source, predicate) VAL [errors={196:0}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, tl_last_error=0] [L8042] CALL, EXPR aws_byte_cursor_is_valid(source) VAL [cursor={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7356-L7357] EXPR cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))) [L7357] EXPR cursor->len [L7357] EXPR (cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr)))) [L7356-L7357] EXPR cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))) [L7356-L7357] return cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))); [L8042] RET, EXPR aws_byte_cursor_is_valid(source) VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0] [L8042] CALL assume_abort_if_not((aws_byte_cursor_is_valid(source))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8042] RET assume_abort_if_not((aws_byte_cursor_is_valid(source))) VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0] [L8043-L8045] CALL assume_abort_if_not((predicate != ((void *)0) )) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8043-L8045] RET assume_abort_if_not((predicate != ((void *)0) )) VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0] [L8046] struct aws_byte_cursor trimmed = *source; VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0, trimmed={257:0}] [L8048] EXPR trimmed.len [L8048] trimmed.len > 0 && predicate(*(trimmed.ptr)) VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0, trimmed={257:0}] [L8048] COND FALSE !(trimmed.len > 0 && predicate(*(trimmed.ptr))) [L8052] CALL, EXPR aws_byte_cursor_is_valid(source) VAL [cursor={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7356-L7357] EXPR cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))) [L7357] EXPR cursor->len [L7357] EXPR (cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr)))) [L7356-L7357] EXPR cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))) [L7356-L7357] return cursor && ((cursor->len == 0) || (cursor->len > 0 && cursor->ptr && ((((cursor->len)) == 0) || ((cursor->ptr))))); [L8052] RET, EXPR aws_byte_cursor_is_valid(source) VAL [errors={196:0}, predicate={-1:6}, predicate={-1:6}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, source={258:0}, source={258:0}, tl_last_error=0, trimmed={257:0}] [L8052] CALL __VERIFIER_assert(!((aws_byte_cursor_is_valid(source)))) VAL [\old(cond)=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 121 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 42/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:52:43,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2de28eed068a418d2c407ed403de852f700b18f3e0b342f3eb2f1e159ccc4656 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:46,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:47,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-12 00:52:47,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:47,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:47,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:47,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:47,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:47,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:47,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:47,084 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:47,084 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:47,085 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:47,085 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:47,086 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:47,087 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:47,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:47,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:47,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:47,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:47,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:47,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:47,101 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:52:47,102 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:52:47,102 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:52:47,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:47,103 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:47,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:47,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:52:47,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:47,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:47,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:47,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:47,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:47,107 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:52:47,107 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:52:47,108 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:47,108 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:47,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:47,108 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2de28eed068a418d2c407ed403de852f700b18f3e0b342f3eb2f1e159ccc4656 [2023-11-12 00:52:47,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:47,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:47,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:47,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:47,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:47,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i [2023-11-12 00:52:51,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:51,686 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:51,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i [2023-11-12 00:52:51,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/data/9486e0b57/e6c573d3284f41488c98b253bb38bdc7/FLAG5f3442345 [2023-11-12 00:52:51,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/data/9486e0b57/e6c573d3284f41488c98b253bb38bdc7 [2023-11-12 00:52:51,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:51,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:51,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:51,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:51,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:51,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:51" (1/1) ... [2023-11-12 00:52:51,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7736cc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:51, skipping insertion in model container [2023-11-12 00:52:51,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:51" (1/1) ... [2023-11-12 00:52:51,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:52,283 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4499,4512] [2023-11-12 00:52:52,292 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4559,4572] [2023-11-12 00:52:53,346 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,347 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,348 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,349 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,350 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,367 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,367 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,369 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,370 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:53,917 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:52:53,922 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:52:53,923 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:52:53,925 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:52:53,927 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:52:53,927 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:52:53,932 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:52:53,934 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:52:53,936 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:52:53,937 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:52:54,253 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,254 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:54,499 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:52:54,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:54,559 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4499,4512] [2023-11-12 00:52:54,560 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4559,4572] [2023-11-12 00:52:54,645 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,646 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,646 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,647 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,655 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,670 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,670 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,671 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,672 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,735 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:52:54,736 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:52:54,737 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:52:54,738 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:52:54,739 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:52:54,739 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:52:54,740 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:52:54,740 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:52:54,741 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:52:54,741 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:52:54,844 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,845 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:54,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:54,950 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:54,973 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4499,4512] [2023-11-12 00:52:54,973 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_6550c3ac-9535-4ebc-9392-81d33403c714/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness_negated.i[4559,4572] [2023-11-12 00:52:55,034 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,035 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,035 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,036 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,036 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,045 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,046 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,047 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,048 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,089 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:52:55,090 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:52:55,090 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:52:55,094 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:52:55,096 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:52:55,096 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:52:55,097 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:52:55,098 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:52:55,099 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:52:55,099 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:52:55,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8239] [2023-11-12 00:52:55,214 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,214 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:52:55,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8725-8736] [2023-11-12 00:52:55,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:55,638 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,638 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,647 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,647 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,647 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,647 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,648 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,648 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,648 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,648 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,648 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,649 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,650 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,650 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,650 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,650 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,650 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,650 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:55,658 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:55,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55 WrapperNode [2023-11-12 00:52:55,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:55,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:55,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:55,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:55,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:55,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:55,957 INFO L138 Inliner]: procedures = 709, calls = 2623, calls flagged for inlining = 62, calls inlined = 10, statements flattened = 894 [2023-11-12 00:52:55,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:55,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:55,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:55,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:55,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:55,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:55,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:55,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:56,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:56,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:56,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:56,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:56,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:52:56,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:52:56,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:52:56,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:52:56,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:56,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:56,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:56,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:52:56,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:52:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-11-12 00:52:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-11-12 00:52:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~uint8_t~0~TO~C_BOOL [2023-11-12 00:52:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~uint8_t~0~TO~C_BOOL [2023-11-12 00:52:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:52:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 00:52:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 00:52:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:52:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:52:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-12 00:52:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:52:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:52:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_left_trim_pred [2023-11-12 00:52:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_left_trim_pred [2023-11-12 00:52:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:52:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:52:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:52:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:52:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:52:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:52:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:52:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-12 00:52:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-12 00:52:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-12 00:52:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-12 00:52:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:52:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:52:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:52:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:52:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-12 00:52:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-12 00:52:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:52:56,700 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:56,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:52:58,826 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:58,834 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:58,834 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:52:58,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:58 BoogieIcfgContainer [2023-11-12 00:52:58,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:58,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:58,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:58,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:58,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:51" (1/3) ... [2023-11-12 00:52:58,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d77752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:58, skipping insertion in model container [2023-11-12 00:52:58,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55" (2/3) ... [2023-11-12 00:52:58,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d77752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:58, skipping insertion in model container [2023-11-12 00:52:58,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:58" (3/3) ... [2023-11-12 00:52:58,849 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_trim_pred_harness_negated.i [2023-11-12 00:52:58,872 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:58,872 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:58,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:58,939 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@185b2087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:58,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 78 states have internal predecessors, (95), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-12 00:52:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 00:52:58,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:58,963 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:58,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:58,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:58,973 INFO L85 PathProgramCache]: Analyzing trace with hash 301715553, now seen corresponding path program 1 times [2023-11-12 00:52:58,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:58,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134893359] [2023-11-12 00:52:58,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:59,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:52:59,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:59,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:52:59,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:52:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:00,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:53:00,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-12 00:53:00,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:00,070 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:00,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134893359] [2023-11-12 00:53:00,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134893359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:00,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:00,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:53:00,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604488622] [2023-11-12 00:53:00,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:00,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:53:00,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:00,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:53:00,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:53:00,113 INFO L87 Difference]: Start difference. First operand has 124 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 78 states have internal predecessors, (95), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:53:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:00,159 INFO L93 Difference]: Finished difference Result 244 states and 355 transitions. [2023-11-12 00:53:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:53:00,162 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 79 [2023-11-12 00:53:00,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:00,171 INFO L225 Difference]: With dead ends: 244 [2023-11-12 00:53:00,172 INFO L226 Difference]: Without dead ends: 115 [2023-11-12 00:53:00,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:53:00,180 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:00,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:53:00,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-12 00:53:00,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-11-12 00:53:00,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 71 states have internal predecessors, (82), 37 states have call successors, (37), 8 states have call predecessors, (37), 7 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:53:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2023-11-12 00:53:00,235 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 79 [2023-11-12 00:53:00,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:00,236 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2023-11-12 00:53:00,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:53:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2023-11-12 00:53:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-12 00:53:00,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:00,241 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:00,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:00,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:53:00,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:00,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:00,451 INFO L85 PathProgramCache]: Analyzing trace with hash 239309438, now seen corresponding path program 1 times [2023-11-12 00:53:00,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:00,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960929361] [2023-11-12 00:53:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:00,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:53:00,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:00,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:53:00,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:53:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:01,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:53:01,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-12 00:53:01,647 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:01,647 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:01,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960929361] [2023-11-12 00:53:01,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960929361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:01,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:01,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:53:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662713801] [2023-11-12 00:53:01,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:01,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:53:01,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:01,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:53:01,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:53:01,652 INFO L87 Difference]: Start difference. First operand 115 states and 154 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:53:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:01,935 INFO L93 Difference]: Finished difference Result 213 states and 298 transitions. [2023-11-12 00:53:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:53:01,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 81 [2023-11-12 00:53:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:01,940 INFO L225 Difference]: With dead ends: 213 [2023-11-12 00:53:01,941 INFO L226 Difference]: Without dead ends: 118 [2023-11-12 00:53:01,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:53:01,943 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 40 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:01,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 461 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:53:01,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-12 00:53:01,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-11-12 00:53:01,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 72 states have (on average 1.1666666666666667) internal successors, (84), 74 states have internal predecessors, (84), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (45), 35 states have call predecessors, (45), 35 states have call successors, (45) [2023-11-12 00:53:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2023-11-12 00:53:01,968 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 81 [2023-11-12 00:53:01,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:01,968 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2023-11-12 00:53:01,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:53:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2023-11-12 00:53:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-12 00:53:01,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:01,972 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:02,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:02,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:53:02,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:02,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:02,199 INFO L85 PathProgramCache]: Analyzing trace with hash -679055495, now seen corresponding path program 1 times [2023-11-12 00:53:02,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:02,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750931334] [2023-11-12 00:53:02,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:02,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:53:02,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:02,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:53:02,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:53:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:03,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 1477 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:53:03,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-12 00:53:03,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:03,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:03,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750931334] [2023-11-12 00:53:03,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750931334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:03,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:03,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 00:53:03,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442464794] [2023-11-12 00:53:03,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:03,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:53:03,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:03,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:53:03,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:53:03,407 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:53:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:03,733 INFO L93 Difference]: Finished difference Result 208 states and 295 transitions. [2023-11-12 00:53:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:53:03,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 83 [2023-11-12 00:53:03,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:03,737 INFO L225 Difference]: With dead ends: 208 [2023-11-12 00:53:03,737 INFO L226 Difference]: Without dead ends: 118 [2023-11-12 00:53:03,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:53:03,739 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 54 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:03,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 462 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:53:03,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-12 00:53:03,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-11-12 00:53:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 72 states have (on average 1.1666666666666667) internal successors, (84), 74 states have internal predecessors, (84), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (43), 35 states have call predecessors, (43), 35 states have call successors, (43) [2023-11-12 00:53:03,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2023-11-12 00:53:03,768 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 83 [2023-11-12 00:53:03,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:03,769 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2023-11-12 00:53:03,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:53:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2023-11-12 00:53:03,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-12 00:53:03,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:03,772 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2023-11-12 00:53:03,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:04,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:53:04,007 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:04,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:04,008 INFO L85 PathProgramCache]: Analyzing trace with hash -696220556, now seen corresponding path program 2 times [2023-11-12 00:53:04,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:04,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116744511] [2023-11-12 00:53:04,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 00:53:04,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:53:04,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:04,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:53:04,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:53:04,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-12 00:53:04,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:53:04,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 1316 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:53:04,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-12 00:53:05,013 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:05,013 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116744511] [2023-11-12 00:53:05,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116744511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:05,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:05,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:53:05,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988022709] [2023-11-12 00:53:05,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:05,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:53:05,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:05,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:53:05,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:53:05,018 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-12 00:53:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:05,140 INFO L93 Difference]: Finished difference Result 126 states and 172 transitions. [2023-11-12 00:53:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:53:05,141 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 85 [2023-11-12 00:53:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:05,143 INFO L225 Difference]: With dead ends: 126 [2023-11-12 00:53:05,144 INFO L226 Difference]: Without dead ends: 124 [2023-11-12 00:53:05,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:53:05,145 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 5 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:05,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 887 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:53:05,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-12 00:53:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2023-11-12 00:53:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.16) internal successors, (87), 77 states have internal predecessors, (87), 38 states have call successors, (38), 9 states have call predecessors, (38), 9 states have return successors, (44), 36 states have call predecessors, (44), 36 states have call successors, (44) [2023-11-12 00:53:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 169 transitions. [2023-11-12 00:53:05,167 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 169 transitions. Word has length 85 [2023-11-12 00:53:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:05,171 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 169 transitions. [2023-11-12 00:53:05,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-12 00:53:05,171 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 169 transitions. [2023-11-12 00:53:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-12 00:53:05,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:05,181 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:05,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:05,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:53:05,397 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:05,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:05,397 INFO L85 PathProgramCache]: Analyzing trace with hash 472344857, now seen corresponding path program 3 times [2023-11-12 00:53:05,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:05,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206329173] [2023-11-12 00:53:05,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:53:05,410 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:53:05,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:05,412 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:53:05,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:53:07,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-12 00:53:07,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:53:07,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 00:53:07,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-11-12 00:53:07,725 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:53:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-12 00:53:08,143 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:08,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206329173] [2023-11-12 00:53:08,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206329173] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:53:08,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1335998612] [2023-11-12 00:53:08,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:53:08,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:08,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:53:08,146 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:53:08,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6550c3ac-9535-4ebc-9392-81d33403c714/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process