./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje --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 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:30:46,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:30:46,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:30:46,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:30:46,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:30:46,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:30:46,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:30:46,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:30:46,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:30:46,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:30:46,963 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:30:46,963 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:30:46,964 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:30:46,964 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:30:46,967 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:30:46,968 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:30:46,968 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:30:46,969 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:30:46,969 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:30:46,970 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:30:46,970 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:30:46,975 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:30:46,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:30:46,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:30:46,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:30:46,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:30:46,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:30:46,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:30:46,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:30:46,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:30:46,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:30:46,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:30:46,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:30:46,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:30:46,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:30:46,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:30:46,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:30:46,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:30:46,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:30:46,987 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:30:46,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:30:46,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:30:46,989 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:30:46,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:30:46,989 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_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 [2024-11-09 05:30:47,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:30:47,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:30:47,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:30:47,389 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:30:47,390 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:30:47,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i Unable to find full path for "g++" [2024-11-09 05:30:49,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:30:50,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:30:50,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2024-11-09 05:30:50,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/data/9d444f3d2/137557da91ca40e694cd4fd7736b4841/FLAG10f8d5b4a [2024-11-09 05:30:50,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/data/9d444f3d2/137557da91ca40e694cd4fd7736b4841 [2024-11-09 05:30:50,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:30:50,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:30:50,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:30:50,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:30:50,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:30:50,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:30:50" (1/1) ... [2024-11-09 05:30:50,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29407837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:50, skipping insertion in model container [2024-11-09 05:30:50,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:30:50" (1/1) ... [2024-11-09 05:30:50,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:30:51,117 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4495,4508] [2024-11-09 05:30:51,152 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4555,4568] [2024-11-09 05:30:52,366 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:52,371 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:52,374 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:52,375 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:52,377 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:52,402 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:52,403 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:52,406 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:52,407 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,431 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,432 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:30:53,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:30:53,674 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4495,4508] [2024-11-09 05:30:53,674 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4555,4568] [2024-11-09 05:30:53,734 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,735 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,735 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,736 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,737 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,746 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,747 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,783 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:53,784 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:54,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-09 05:30:54,084 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:54,085 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:30:54,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-09 05:30:54,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:30:54,480 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:30:54,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54 WrapperNode [2024-11-09 05:30:54,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:30:54,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:30:54,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:30:54,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:30:54,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,733 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2024-11-09 05:30:54,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:30:54,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:30:54,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:30:54,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:30:54,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:30:54,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:30:54,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:30:54,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:30:54,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (1/1) ... [2024-11-09 05:30:54,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:30:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:30:54,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:30:54,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:30:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-09 05:30:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-09 05:30:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 05:30:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 05:30:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:30:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 05:30:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 05:30:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:30:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:30:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:30:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:30:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:30:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:30:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 05:30:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 05:30:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:30:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:30:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:30:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 05:30:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 05:30:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 05:30:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 05:30:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:30:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:30:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:30:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:30:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:30:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:30:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 05:30:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 05:30:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 05:30:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 05:30:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:30:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:30:55,457 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:30:55,460 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:31:03,443 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-09 05:31:03,443 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:31:04,450 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:31:04,451 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:31:04,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:31:04 BoogieIcfgContainer [2024-11-09 05:31:04,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:31:04,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:31:04,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:31:04,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:31:04,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:30:50" (1/3) ... [2024-11-09 05:31:04,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f170098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:31:04, skipping insertion in model container [2024-11-09 05:31:04,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:54" (2/3) ... [2024-11-09 05:31:04,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f170098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:31:04, skipping insertion in model container [2024-11-09 05:31:04,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:31:04" (3/3) ... [2024-11-09 05:31:04,464 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness_negated.i [2024-11-09 05:31:04,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:31:04,489 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:31:04,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:31:04,599 INFO L333 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, 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;@214d8e38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:31:04,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:31:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 64 states have internal predecessors, (77), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:31:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 05:31:04,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:31:04,621 INFO L215 NwaCegarLoop]: trace histogram [10, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:31:04,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:31:04,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:31:04,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1179487328, now seen corresponding path program 1 times [2024-11-09 05:31:04,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:31:04,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165605375] [2024-11-09 05:31:04,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:31:04,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:33:28,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:33:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:33:52,725 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:33:52,728 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:33:52,730 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:33:52,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:33:52,737 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:33:52,873 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:33:52,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:33:52 BoogieIcfgContainer [2024-11-09 05:33:52,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:33:52,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:33:52,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:33:52,879 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:33:52,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:31:04" (3/4) ... [2024-11-09 05:33:52,883 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:33:52,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:33:52,888 INFO L158 Benchmark]: Toolchain (without parser) took 182400.56ms. Allocated memory was 142.6MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 100.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-09 05:33:52,889 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.3MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:33:52,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3994.28ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 100.0MB in the beginning and 103.2MB in the end (delta: -3.2MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2024-11-09 05:33:52,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 251.18ms. Allocated memory is still 190.8MB. Free memory was 103.2MB in the beginning and 90.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:33:52,894 INFO L158 Benchmark]: Boogie Preprocessor took 110.93ms. Allocated memory is still 190.8MB. Free memory was 90.7MB in the beginning and 82.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 05:33:52,895 INFO L158 Benchmark]: RCFGBuilder took 9606.05ms. Allocated memory was 190.8MB in the beginning and 488.6MB in the end (delta: 297.8MB). Free memory was 82.2MB in the beginning and 337.8MB in the end (delta: -255.6MB). Peak memory consumption was 169.6MB. Max. memory is 16.1GB. [2024-11-09 05:33:52,896 INFO L158 Benchmark]: TraceAbstraction took 168422.63ms. Allocated memory was 488.6MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 336.7MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-09 05:33:52,896 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 3.3GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:33:52,904 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.3MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3994.28ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 100.0MB in the beginning and 103.2MB in the end (delta: -3.2MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 251.18ms. Allocated memory is still 190.8MB. Free memory was 103.2MB in the beginning and 90.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.93ms. Allocated memory is still 190.8MB. Free memory was 90.7MB in the beginning and 82.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9606.05ms. Allocated memory was 190.8MB in the beginning and 488.6MB in the end (delta: 297.8MB). Free memory was 82.2MB in the beginning and 337.8MB in the end (delta: -255.6MB). Peak memory consumption was 169.6MB. Max. memory is 16.1GB. * TraceAbstraction took 168422.63ms. Allocated memory was 488.6MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 336.7MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 3.3GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8245]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] - GenericResultAtLocation [Line: 8731]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] * 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 8748, overapproximation of strlen at line 8949. 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, }; [L7279] static __thread int tl_last_error = 0; [L7624-L7636] 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}; [L8747-L8895] 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", } , }; [L8898-L8901] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8903-L8912] 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.") } , }; [L8914-L8917] 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])), }; [L8919-L8923] static _Bool s_common_library_initialized = 0 ; [L8968] CALL aws_byte_buf_eq_c_str_harness() [L8937] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8937] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8937] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8938] CALL, EXPR ensure_c_str_is_allocated(10) [L6807] CALL, EXPR nondet_uint64_t() VAL [errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L266] return __VERIFIER_nondet_ulong(); [L6807] RET, EXPR nondet_uint64_t() VAL [errors={194:0}, max_size=10, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6807] size_t cap = nondet_uint64_t(); [L6808] CALL assume_abort_if_not(cap > 0 && cap <= max_size) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6808] RET assume_abort_if_not(cap > 0 && cap <= max_size) VAL [cap=-(((__int128) 1 << 64) | 18446744073709551614U), errors={194:0}, max_size=10, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6809] CALL, EXPR bounded_malloc(cap) VAL [\old(size)=-(((__int128) 1 << 64) | 18446744073709551614U), errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6871-L6873] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6871-L6873] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=-(((__int128) 1 << 64) | 18446744073709551614U), errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, size=-(((__int128) 1 << 64) | 18446744073709551614U), tl_last_error=0] [L6874] return malloc(size); [L6809] RET, EXPR bounded_malloc(cap) VAL [cap=-(((__int128) 1 << 64) | 18446744073709551614U), errors={194:0}, max_size=10, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6809] const char *str = bounded_malloc(cap); [L6813] EXPR str[cap - 1] VAL [errors={194:0}, max_size=10, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, str={-2:0}, tl_last_error=0] [L6813] CALL assume_abort_if_not(str[cap - 1] == 0) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6813] RET assume_abort_if_not(str[cap - 1] == 0) VAL [errors={194:0}, max_size=10, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, str={-2:0}, tl_last_error=0] [L6814] return str; [L8938] RET, EXPR ensure_c_str_is_allocated(10) [L8938] const char *c_str = ensure_c_str_is_allocated(10); [L8941] CALL, EXPR aws_byte_buf_is_bounded(&buf, 10) [L6588] EXPR buf->capacity [L6588] return (buf->capacity <= max_size); [L8941] RET, EXPR aws_byte_buf_is_bounded(&buf, 10) [L8941] CALL assume_abort_if_not(aws_byte_buf_is_bounded(&buf, 10)) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8941] RET assume_abort_if_not(aws_byte_buf_is_bounded(&buf, 10)) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8942] CALL ensure_byte_buf_has_allocated_buffer_member(&buf) [L6598] CALL, EXPR nondet_bool() VAL [errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L6598] RET, EXPR nondet_bool() VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6598-L6600] EXPR (nondet_bool()) ? ((void *)0) : can_fail_allocator() VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6598-L6600] buf->allocator = (nondet_bool()) ? ((void *)0) : can_fail_allocator() [L6601] EXPR buf->capacity VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6601] CALL, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [\old(size)=-(((__int128) 0 << 64) | 18446744073709551615U), errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6871-L6873] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6871-L6873] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=-(((__int128) 0 << 64) | 18446744073709551615U), errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, size=-(((__int128) 0 << 64) | 18446744073709551615U), tl_last_error=0] [L6874] return malloc(size); [L6601] RET, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6601] buf->buffer = bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) [L8942] RET ensure_byte_buf_has_allocated_buffer_member(&buf) [L8943] CALL, EXPR aws_byte_buf_is_valid(&buf) VAL [\old(buf)={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353] EXPR buf->capacity [L7353] EXPR buf->capacity == 0 && buf->len == 0 [L7353-L7354] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->len [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7356] EXPR buf->len [L7356] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353-L7356] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8943] RET, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8943] CALL assume_abort_if_not(aws_byte_buf_is_valid(&buf)) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8943] RET assume_abort_if_not(aws_byte_buf_is_valid(&buf)) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8946] struct aws_byte_buf old = buf; [L8947] struct store_byte_from_buffer old_byte; [L8948] EXPR buf.buffer [L8948] EXPR buf.len VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, old={260:0}, old_byte={261:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8948] CALL save_byte_from_array(buf.buffer, buf.len, &old_byte) VAL [errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7123] COND FALSE !(size > 0 && array && storage) VAL [\old(array)={-3:0}, \old(size)=-((__int128) 3 << 64), \old(storage)={261:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8948] RET save_byte_from_array(buf.buffer, buf.len, &old_byte) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, old={260:0}, old_byte={261:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8949] size_t str_len = (c_str) ? strlen(c_str) : 0; [L8950] struct store_byte_from_buffer old_byte_from_str; VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, old={260:0}, old_byte={261:0}, old_byte_from_str={257:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, str_len=((unsigned __int128) 1 << 64), tl_last_error=0] [L8951] CALL save_byte_from_array((uint8_t *)c_str, str_len, &old_byte_from_str) VAL [errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7123] COND FALSE !(size > 0 && array && storage) VAL [\old(array)={-2:0}, \old(size)=((unsigned __int128) 1 << 64), \old(storage)={257:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8951] RET save_byte_from_array((uint8_t *)c_str, str_len, &old_byte_from_str) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, old={260:0}, old_byte={261:0}, old_byte_from_str={257:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, str_len=((unsigned __int128) 1 << 64), tl_last_error=0] [L8954] CALL aws_byte_buf_eq_c_str(&buf, c_str) [L7435] CALL, EXPR aws_byte_buf_is_valid(buf) VAL [\old(buf)={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353] EXPR buf->capacity [L7353] EXPR buf->capacity == 0 && buf->len == 0 [L7353-L7354] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->len [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7356] EXPR buf->len [L7356] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353-L7356] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L7435] RET, EXPR aws_byte_buf_is_valid(buf) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7435] CALL assume_abort_if_not((aws_byte_buf_is_valid(buf))) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7435] RET assume_abort_if_not((aws_byte_buf_is_valid(buf))) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7436-L7438] CALL assume_abort_if_not((c_str != ((void *)0) )) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7436-L7438] RET assume_abort_if_not((c_str != ((void *)0) )) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7441] EXPR buf->buffer [L7441] EXPR buf->len VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7441] CALL, EXPR aws_array_eq_c_str(buf->buffer, buf->len, c_str) VAL [\old(array)={-3:0}, \old(array_len)=-((__int128) 3 << 64), \old(c_str)={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7737] CALL assume_abort_if_not((array || (array_len == 0))) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7737] RET assume_abort_if_not((array || (array_len == 0))) VAL [\old(array)={-3:0}, \old(array_len)=-((__int128) 3 << 64), \old(c_str)={-2:0}, array={-3:0}, array_len=-((__int128) 3 << 64), c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7740-L7742] CALL assume_abort_if_not((c_str != ((void *)0) )) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7740-L7742] RET assume_abort_if_not((c_str != ((void *)0) )) VAL [\old(array)={-3:0}, \old(array_len)=-((__int128) 3 << 64), \old(c_str)={-2:0}, array={-3:0}, array_len=-((__int128) 3 << 64), c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7749] const uint8_t *array_bytes = array; [L7750] const uint8_t *str_bytes = (const uint8_t *)c_str; [L7752] size_t i = 0; VAL [\old(array)={-3:0}, \old(array_len)=-((__int128) 3 << 64), \old(c_str)={-2:0}, array_bytes={-3:0}, array_len=-((__int128) 3 << 64), errors={194:0}, i=0, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, str_bytes={-2:0}, tl_last_error=0] [L7752] COND TRUE i < array_len VAL [\old(array)={-3:0}, \old(array_len)=-((__int128) 3 << 64), \old(c_str)={-2:0}, array_bytes={-3:0}, array_len=-((__int128) 3 << 64), errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, str_bytes={-2:0}, tl_last_error=0] [L7767] EXPR str_bytes[array_len] [L7767] return str_bytes[array_len] == '\0'; [L7441] RET, EXPR aws_array_eq_c_str(buf->buffer, buf->len, c_str) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7440-L7441] _Bool rval = aws_array_eq_c_str(buf->buffer, buf->len, c_str); [L7442] CALL, EXPR aws_byte_buf_is_valid(buf) VAL [\old(buf)={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353] EXPR buf->capacity [L7353] EXPR buf->capacity == 0 && buf->len == 0 [L7353-L7354] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->len [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7356] EXPR buf->len [L7356] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353-L7356] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L7442] RET, EXPR aws_byte_buf_is_valid(buf) VAL [buf={258:0}, c_str={-2:0}, errors={194:0}, rval=0, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7442] CALL __VERIFIER_assert(!((aws_byte_buf_is_valid(buf)))) VAL [\old(cond)=0, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 168.2s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 29.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2024-11-09 05:33:52,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje --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 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:33:55,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:33:55,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:33:55,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:33:55,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:33:55,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:33:55,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:33:55,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:33:55,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:33:55,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:33:55,957 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:33:55,958 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:33:55,958 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:33:55,958 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:33:55,959 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:33:55,959 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:33:55,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:33:55,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:33:55,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:33:55,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:33:55,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:33:55,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:33:55,966 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:33:55,966 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:33:55,966 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:33:55,967 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:33:55,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:33:55,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:33:55,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:33:55,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:33:55,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:33:55,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:33:55,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:33:55,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:33:55,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:33:55,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:33:55,970 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:33:55,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:33:55,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:33:55,971 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:33:55,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 [2024-11-09 05:33:56,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:33:56,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:33:56,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:33:56,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:33:56,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:33:56,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i Unable to find full path for "g++" [2024-11-09 05:33:58,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:33:59,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:33:59,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2024-11-09 05:33:59,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/data/e82b7eca9/7224bd630fa742e0a2dbbc9bc770c476/FLAGa8b8a5d25 [2024-11-09 05:34:00,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/data/e82b7eca9/7224bd630fa742e0a2dbbc9bc770c476 [2024-11-09 05:34:00,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:34:00,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:34:00,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:34:00,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:34:00,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:34:00,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:34:00" (1/1) ... [2024-11-09 05:34:00,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:00, skipping insertion in model container [2024-11-09 05:34:00,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:34:00" (1/1) ... [2024-11-09 05:34:00,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:34:00,739 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4495,4508] [2024-11-09 05:34:00,749 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4555,4568] [2024-11-09 05:34:01,795 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:01,968 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:01,972 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:01,973 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:01,989 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:01,995 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:01,996 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:01,997 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:01,999 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,000 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:02,002 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:02,015 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,015 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,027 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,030 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,071 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:02,072 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,072 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:02,073 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,075 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:02,075 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,076 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:02,076 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,761 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,762 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,762 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:02,763 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,015 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,065 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,070 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,087 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,191 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,192 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,195 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,196 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,197 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:34:03,435 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-09 05:34:03,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:34:03,491 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4495,4508] [2024-11-09 05:34:03,492 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4555,4568] [2024-11-09 05:34:03,520 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,564 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,567 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,567 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,573 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,575 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,575 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,576 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,577 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,577 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,578 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,581 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,581 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,584 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,584 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,591 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,594 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,595 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,595 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,597 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,601 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,601 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,602 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,671 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,671 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,673 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,673 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,715 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,729 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,733 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,739 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,778 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,779 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,782 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:34:03,782 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,783 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:03,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:34:03,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:34:03,931 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4495,4508] [2024-11-09 05:34:03,932 WARN L250 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_471c87d4-fd91-4200-ad6f-7363a0896f06/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4555,4568] [2024-11-09 05:34:03,997 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,001 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,002 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,002 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,003 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,012 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,012 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,013 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,014 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-09 05:34:04,190 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,191 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:34:04,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-09 05:34:04,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:34:04,769 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:34:04,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04 WrapperNode [2024-11-09 05:34:04,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:34:04,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:34:04,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:34:04,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:34:04,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:04,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,048 INFO L138 Inliner]: procedures = 700, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 903 [2024-11-09 05:34:05,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:34:05,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:34:05,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:34:05,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:34:05,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:34:05,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:34:05,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:34:05,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:34:05,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (1/1) ... [2024-11-09 05:34:05,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:34:05,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:34:05,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:34:05,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:34:05,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-09 05:34:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-09 05:34:05,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 05:34:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 05:34:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:34:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 05:34:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 05:34:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:34:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 05:34:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-09 05:34:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:34:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:34:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:34:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:34:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 05:34:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 05:34:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:34:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:34:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:34:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 05:34:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 05:34:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 05:34:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 05:34:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 05:34:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-09 05:34:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:34:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:34:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:34:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:34:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:34:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-09 05:34:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 05:34:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:34:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 05:34:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 05:34:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 05:34:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 05:34:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-09 05:34:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-09 05:34:05,786 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:34:05,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:34:12,913 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-09 05:34:12,914 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:34:12,931 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:34:12,932 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:34:12,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:34:12 BoogieIcfgContainer [2024-11-09 05:34:12,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:34:12,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:34:12,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:34:12,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:34:12,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:34:00" (1/3) ... [2024-11-09 05:34:12,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6a4bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:34:12, skipping insertion in model container [2024-11-09 05:34:12,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:34:04" (2/3) ... [2024-11-09 05:34:12,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6a4bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:34:12, skipping insertion in model container [2024-11-09 05:34:12,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:34:12" (3/3) ... [2024-11-09 05:34:12,943 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness_negated.i [2024-11-09 05:34:12,964 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:34:12,965 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:34:13,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:34:13,055 INFO L333 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, 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;@63e1a70f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:34:13,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:34:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:34:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 05:34:13,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:34:13,080 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:34:13,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:34:13,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:34:13,089 INFO L85 PathProgramCache]: Analyzing trace with hash -520073506, now seen corresponding path program 1 times [2024-11-09 05:34:13,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:34:13,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726858504] [2024-11-09 05:34:13,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:34:13,116 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 [2024-11-09 05:34:13,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:34:13,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:34:13,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:36:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:04,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 4239 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:36:04,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-09 05:36:05,197 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:36:05,198 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:36:05,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726858504] [2024-11-09 05:36:05,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726858504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:05,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:05,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:36:05,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235867727] [2024-11-09 05:36:05,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:05,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:36:05,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:36:05,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:36:05,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:36:05,244 INFO L87 Difference]: Start difference. First operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 05:36:05,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:05,686 INFO L93 Difference]: Finished difference Result 278 states and 401 transitions. [2024-11-09 05:36:05,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:36:05,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 125 [2024-11-09 05:36:05,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:05,707 INFO L225 Difference]: With dead ends: 278 [2024-11-09 05:36:05,707 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 05:36:05,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:36:05,716 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 34 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:05,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 442 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:36:05,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 05:36:05,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-09 05:36:05,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 92 states have internal predecessors, (110), 36 states have call successors, (36), 10 states have call predecessors, (36), 11 states have return successors, (37), 35 states have call predecessors, (37), 35 states have call successors, (37) [2024-11-09 05:36:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 183 transitions. [2024-11-09 05:36:05,798 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 183 transitions. Word has length 125 [2024-11-09 05:36:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:05,799 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 183 transitions. [2024-11-09 05:36:05,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 05:36:05,800 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 183 transitions. [2024-11-09 05:36:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 05:36:05,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:05,806 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:05,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 05:36:06,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:36:06,007 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:36:06,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:06,008 INFO L85 PathProgramCache]: Analyzing trace with hash -199844437, now seen corresponding path program 1 times [2024-11-09 05:36:06,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:36:06,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008001739] [2024-11-09 05:36:06,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:06,012 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 [2024-11-09 05:36:06,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:36:06,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:36:06,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:37:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:00,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 4250 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:38:00,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 05:38:00,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:38:00,211 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:38:00,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008001739] [2024-11-09 05:38:00,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008001739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:00,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:00,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:38:00,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727119807] [2024-11-09 05:38:00,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:00,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:38:00,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:38:00,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:38:00,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:38:00,216 INFO L87 Difference]: Start difference. First operand 138 states and 183 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:38:00,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:00,322 INFO L93 Difference]: Finished difference Result 246 states and 333 transitions. [2024-11-09 05:38:00,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:38:00,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2024-11-09 05:38:00,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:00,328 INFO L225 Difference]: With dead ends: 246 [2024-11-09 05:38:00,329 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 05:38:00,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:38:00,334 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 1 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:00,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 522 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:00,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 05:38:00,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 140. [2024-11-09 05:38:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 94 states have internal predecessors, (112), 36 states have call successors, (36), 10 states have call predecessors, (36), 11 states have return successors, (37), 35 states have call predecessors, (37), 35 states have call successors, (37) [2024-11-09 05:38:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 185 transitions. [2024-11-09 05:38:00,372 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 185 transitions. Word has length 131 [2024-11-09 05:38:00,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:00,373 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 185 transitions. [2024-11-09 05:38:00,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:38:00,374 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 185 transitions. [2024-11-09 05:38:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 05:38:00,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:00,380 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:00,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 05:38:00,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:38:00,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:00,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:00,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1167195091, now seen corresponding path program 1 times [2024-11-09 05:38:00,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:38:00,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600810706] [2024-11-09 05:38:00,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:00,589 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 [2024-11-09 05:38:00,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:38:00,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:38:00,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:39:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:44,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 4247 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:39:44,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 05:39:44,509 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:44,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:44,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600810706] [2024-11-09 05:39:44,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600810706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:44,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:44,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:39:44,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313233728] [2024-11-09 05:39:44,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:44,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:39:44,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:44,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:39:44,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:39:44,514 INFO L87 Difference]: Start difference. First operand 140 states and 185 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:39:44,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:44,661 INFO L93 Difference]: Finished difference Result 249 states and 336 transitions. [2024-11-09 05:39:44,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:39:44,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2024-11-09 05:39:44,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:44,664 INFO L225 Difference]: With dead ends: 249 [2024-11-09 05:39:44,665 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 05:39:44,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:39:44,667 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:44,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 690 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:39:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 05:39:44,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-09 05:39:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 94 states have (on average 1.2127659574468086) internal successors, (114), 96 states have internal predecessors, (114), 36 states have call successors, (36), 10 states have call predecessors, (36), 11 states have return successors, (37), 35 states have call predecessors, (37), 35 states have call successors, (37) [2024-11-09 05:39:44,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 187 transitions. [2024-11-09 05:39:44,683 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 187 transitions. Word has length 131 [2024-11-09 05:39:44,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:44,684 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 187 transitions. [2024-11-09 05:39:44,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:39:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2024-11-09 05:39:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 05:39:44,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:44,687 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:44,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:39:44,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:39:44,888 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:39:44,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:44,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1711198121, now seen corresponding path program 1 times [2024-11-09 05:39:44,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:44,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871938148] [2024-11-09 05:39:44,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:44,894 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 [2024-11-09 05:39:44,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:44,896 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:39:44,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:41:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:33,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 4252 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 05:41:33,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:41:34,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 05:41:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-09 05:41:35,260 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:41:35,260 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:41:35,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871938148] [2024-11-09 05:41:35,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871938148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:35,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:35,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 05:41:35,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364091870] [2024-11-09 05:41:35,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:35,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:41:35,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:41:35,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:41:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:41:35,272 INFO L87 Difference]: Start difference. First operand 142 states and 187 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-09 05:41:37,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:39,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:41,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:43,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:45,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:48,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:50,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:54,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:57,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:42:01,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:01,723 INFO L93 Difference]: Finished difference Result 365 states and 489 transitions. [2024-11-09 05:42:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 05:42:01,724 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 131 [2024-11-09 05:42:01,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:01,729 INFO L225 Difference]: With dead ends: 365 [2024-11-09 05:42:01,729 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 05:42:01,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:42:01,732 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 158 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 28 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:01,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1250 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 535 Invalid, 9 Unknown, 0 Unchecked, 25.9s Time] [2024-11-09 05:42:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 05:42:01,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 247. [2024-11-09 05:42:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 167 states have (on average 1.2335329341317365) internal successors, (206), 171 states have internal predecessors, (206), 59 states have call successors, (59), 17 states have call predecessors, (59), 20 states have return successors, (66), 58 states have call predecessors, (66), 57 states have call successors, (66) [2024-11-09 05:42:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 331 transitions. [2024-11-09 05:42:01,778 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 331 transitions. Word has length 131 [2024-11-09 05:42:01,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:01,779 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 331 transitions. [2024-11-09 05:42:01,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-09 05:42:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 331 transitions. [2024-11-09 05:42:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 05:42:01,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:01,784 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:01,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 05:42:01,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:42:01,985 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:42:01,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:01,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1860905717, now seen corresponding path program 1 times [2024-11-09 05:42:01,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:42:01,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318919397] [2024-11-09 05:42:01,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:01,990 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 [2024-11-09 05:42:01,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:42:01,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:42:01,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:44:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:07,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 4256 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:44:07,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:44:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-09 05:44:07,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:44:07,954 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:44:07,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318919397] [2024-11-09 05:44:07,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318919397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:07,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:07,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 05:44:07,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91974638] [2024-11-09 05:44:07,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:07,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:44:07,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:44:07,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:44:07,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:44:07,959 INFO L87 Difference]: Start difference. First operand 247 states and 331 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 05:44:09,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:09,137 INFO L93 Difference]: Finished difference Result 471 states and 636 transitions. [2024-11-09 05:44:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:44:09,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 135 [2024-11-09 05:44:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:09,146 INFO L225 Difference]: With dead ends: 471 [2024-11-09 05:44:09,146 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 05:44:09,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:44:09,149 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:09,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:44:09,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 05:44:09,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 248. [2024-11-09 05:44:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 172 states have internal predecessors, (207), 59 states have call successors, (59), 17 states have call predecessors, (59), 20 states have return successors, (66), 58 states have call predecessors, (66), 57 states have call successors, (66) [2024-11-09 05:44:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 332 transitions. [2024-11-09 05:44:09,204 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 332 transitions. Word has length 135 [2024-11-09 05:44:09,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:09,205 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 332 transitions. [2024-11-09 05:44:09,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 05:44:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 332 transitions. [2024-11-09 05:44:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 05:44:09,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:09,209 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:09,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:44:09,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:44:09,410 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:44:09,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:09,410 INFO L85 PathProgramCache]: Analyzing trace with hash -496262086, now seen corresponding path program 1 times [2024-11-09 05:44:09,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:44:09,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041201946] [2024-11-09 05:44:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:09,414 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 [2024-11-09 05:44:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:44:09,418 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:44:09,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471c87d4-fd91-4200-ad6f-7363a0896f06/bin/utaipan-verify-YMUCfTKeje/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 (7)] Waiting until timeout for monitored process