./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:28:13,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:28:13,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:28:13,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:28:13,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:28:13,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:28:13,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:28:13,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:28:13,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:28:13,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:28:13,385 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:28:13,385 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:28:13,386 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:28:13,386 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:28:13,387 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:28:13,387 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:28:13,388 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:28:13,388 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:28:13,388 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:28:13,389 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:28:13,389 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:28:13,390 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:28:13,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:28:13,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:28:13,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:28:13,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:28:13,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:28:13,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:28:13,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:28:13,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:28:13,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:28:13,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:28:13,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:28:13,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:28:13,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:28:13,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:28:13,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:28:13,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:28:13,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:28:13,411 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:28:13,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:28:13,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:28:13,412 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:28:13,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:28:13,413 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2024-11-09 06:28:13,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:28:13,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:28:13,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:28:13,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:28:13,745 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:28:13,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i Unable to find full path for "g++" [2024-11-09 06:28:15,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:28:16,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:28:16,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-09 06:28:16,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/data/04b433647/fd38d76a203d47309b2f2a0be286d6e8/FLAG3c3e2e15f [2024-11-09 06:28:16,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/data/04b433647/fd38d76a203d47309b2f2a0be286d6e8 [2024-11-09 06:28:16,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:28:16,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:28:16,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:28:16,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:28:16,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:28:16,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57df30ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:16, skipping insertion in model container [2024-11-09 06:28:16,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:28:16" (1/1) ... [2024-11-09 06:28:16,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:28:17,140 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-09 06:28:17,150 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-09 06:28:18,535 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:18,536 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:18,537 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:18,539 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:18,541 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:18,558 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:18,559 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:18,562 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:18,563 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,605 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,606 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:28:19,812 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:28:19,833 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-09 06:28:19,834 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-09 06:28:19,892 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,893 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,893 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,894 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,895 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,908 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,908 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,910 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:19,915 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:20,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-09 06:28:20,068 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:20,068 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:28:20,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-09 06:28:20,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:28:20,385 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:28:20,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20 WrapperNode [2024-11-09 06:28:20,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:28:20,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:28:20,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:28:20,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:28:20,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,662 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-09 06:28:20,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:28:20,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:28:20,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:28:20,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:28:20,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:28:20,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:28:20,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:28:20,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:28:20,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (1/1) ... [2024-11-09 06:28:20,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:28:20,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:28:20,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:28:20,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:28:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 06:28:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 06:28:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:28:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 06:28:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 06:28:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:28:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:28:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:28:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:28:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:28:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:28:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:28:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 06:28:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 06:28:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:28:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:28:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 06:28:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 06:28:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 06:28:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 06:28:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:28:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:28:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:28:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 06:28:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 06:28:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:28:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:28:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 06:28:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 06:28:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:28:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 06:28:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 06:28:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:28:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:28:21,283 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:28:21,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:28:28,544 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-11-09 06:28:28,544 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:28:29,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:28:29,788 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:28:29,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:28:29 BoogieIcfgContainer [2024-11-09 06:28:29,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:28:29,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:28:29,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:28:29,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:28:29,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:28:16" (1/3) ... [2024-11-09 06:28:29,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b17d894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:28:29, skipping insertion in model container [2024-11-09 06:28:29,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:28:20" (2/3) ... [2024-11-09 06:28:29,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b17d894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:28:29, skipping insertion in model container [2024-11-09 06:28:29,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:28:29" (3/3) ... [2024-11-09 06:28:29,799 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2024-11-09 06:28:29,821 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:28:29,821 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:28:29,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:28:29,902 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;@7e837d13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:28:29,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:28:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 55 states have internal predecessors, (65), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 06:28:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 06:28:29,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:29,923 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:28:29,924 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:29,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:29,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1659444397, now seen corresponding path program 1 times [2024-11-09 06:28:29,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:28:29,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906802508] [2024-11-09 06:28:29,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:29,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:30:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:30:51,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:31:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:31:09,057 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:31:09,060 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:31:09,061 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:31:09,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:31:09,068 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:31:09,191 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:31:09,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:31:09 BoogieIcfgContainer [2024-11-09 06:31:09,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:31:09,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:31:09,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:31:09,196 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:31:09,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:28:29" (3/4) ... [2024-11-09 06:31:09,200 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:31:09,201 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:31:09,203 INFO L158 Benchmark]: Toolchain (without parser) took 172574.94ms. Allocated memory was 155.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 108.9MB in the beginning and 982.4MB in the end (delta: -873.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-09 06:31:09,203 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 155.2MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:31:09,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3756.88ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 108.4MB in the beginning and 84.1MB in the end (delta: 24.3MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2024-11-09 06:31:09,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 276.11ms. Allocated memory is still 201.3MB. Free memory was 84.1MB in the beginning and 134.6MB in the end (delta: -50.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-09 06:31:09,205 INFO L158 Benchmark]: Boogie Preprocessor took 144.45ms. Allocated memory is still 201.3MB. Free memory was 134.6MB in the beginning and 127.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:31:09,206 INFO L158 Benchmark]: RCFGBuilder took 8980.29ms. Allocated memory was 201.3MB in the beginning and 281.0MB in the end (delta: 79.7MB). Free memory was 127.3MB in the beginning and 155.1MB in the end (delta: -27.9MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. [2024-11-09 06:31:09,207 INFO L158 Benchmark]: TraceAbstraction took 159403.07ms. Allocated memory was 281.0MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 154.1MB in the beginning and 983.5MB in the end (delta: -829.4MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-09 06:31:09,207 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 2.4GB. Free memory was 983.5MB in the beginning and 982.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:31:09,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 155.2MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3756.88ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 108.4MB in the beginning and 84.1MB in the end (delta: 24.3MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 276.11ms. Allocated memory is still 201.3MB. Free memory was 84.1MB in the beginning and 134.6MB in the end (delta: -50.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.45ms. Allocated memory is still 201.3MB. Free memory was 134.6MB in the beginning and 127.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8980.29ms. Allocated memory was 201.3MB in the beginning and 281.0MB in the end (delta: 79.7MB). Free memory was 127.3MB in the beginning and 155.1MB in the end (delta: -27.9MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. * TraceAbstraction took 159403.07ms. Allocated memory was 281.0MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 154.1MB in the beginning and 983.5MB in the end (delta: -829.4MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 2.4GB. Free memory was 983.5MB in the beginning and 982.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8259]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] - GenericResultAtLocation [Line: 8745]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] * 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 8762, overapproximation of htons at line 4041. 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; [L7638-L7650] 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}; [L8761-L8909] 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", } , }; [L8912-L8915] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8917-L8926] 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.") } , }; [L8928-L8931] 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])), }; [L8933-L8937] static _Bool s_common_library_initialized = 0 ; [L8975] CALL aws_byte_buf_write_be16_harness() [L8951] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8951] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8951] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8952] CALL, EXPR nondet_uint16_t() [L264] return __VERIFIER_nondet_short(); [L8952] RET, EXPR nondet_uint16_t() [L8952] uint16_t x = nondet_uint16_t(); [L8955] CALL, EXPR aws_byte_buf_is_bounded(&buf, 10) [L6588] EXPR buf->capacity [L6588] return (buf->capacity <= max_size); [L8955] RET, EXPR aws_byte_buf_is_bounded(&buf, 10) [L8955] 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) [L8955] RET assume_abort_if_not(aws_byte_buf_is_bounded(&buf, 10)) 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, x=0] [L8956] 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) [L8956] RET ensure_byte_buf_has_allocated_buffer_member(&buf) [L8957] 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] [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367] EXPR buf->capacity [L7367] EXPR buf->capacity == 0 && buf->len == 0 [L7367-L7368] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->len [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7370] EXPR buf->len [L7370] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367-L7370] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8957] RET, EXPR aws_byte_buf_is_valid(&buf) 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, x=0] [L8957] 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) [L8957] RET assume_abort_if_not(aws_byte_buf_is_valid(&buf)) 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, x=0] [L8960] struct aws_byte_buf old = buf; [L8961] struct store_byte_from_buffer old_byte_from_buf; [L8962] EXPR buf.buffer [L8962] EXPR buf.len [L8962] CALL save_byte_from_array(buf.buffer, buf.len, &old_byte_from_buf) [L7123] COND FALSE !(size > 0 && array && storage) 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] [L8962] RET save_byte_from_array(buf.buffer, buf.len, &old_byte_from_buf) [L8965] CALL aws_byte_buf_write_be16(&buf, x) [L8550] 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] [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367] EXPR buf->capacity [L7367] EXPR buf->capacity == 0 && buf->len == 0 [L7367-L7368] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->len [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7370] EXPR buf->len [L7370] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367-L7370] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8550] RET, EXPR aws_byte_buf_is_valid(buf) 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, x={257:0}] [L8550] 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) [L8550] RET assume_abort_if_not((aws_byte_buf_is_valid(buf))) 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, x={257:0}] [L8551] EXPR \read(x) [L8551] CALL, EXPR aws_hton16(x) [L4041] return htons(x); [L8551] RET, EXPR aws_hton16(x) [L8551] x = aws_hton16(x) [L8552] CALL aws_byte_buf_write(buf, (uint8_t *)&x, 2) VAL [\old(buf)={258:0}, \old(len)=2, \old(src)={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] [L8505] 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] [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367] EXPR buf->capacity [L7367] EXPR buf->capacity == 0 && buf->len == 0 [L7367-L7368] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->len [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7370] EXPR buf->len [L7370] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367-L7370] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8505] RET, EXPR aws_byte_buf_is_valid(buf) VAL [\old(buf)={258:0}, \old(len)=2, \old(src)={257:0}, buf={258:0}, errors={194:0}, len=2, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, src={257:0}, tl_last_error=0] [L8505] 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) [L8505] RET assume_abort_if_not((aws_byte_buf_is_valid(buf))) VAL [\old(buf)={258:0}, \old(len)=2, \old(src)={257:0}, buf={258:0}, errors={194:0}, len=2, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, src={257:0}, tl_last_error=0] [L8506] CALL assume_abort_if_not((((((len)) == 0) || ((src))))) 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) [L8506] RET assume_abort_if_not((((((len)) == 0) || ((src))))) VAL [\old(buf)={258:0}, \old(len)=2, \old(src)={257:0}, buf={258:0}, errors={194:0}, len=2, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, src={257:0}, tl_last_error=0] [L8508] EXPR buf->len [L8508-L8512] buf->len > ( (18446744073709551615UL) >> 1) || len > ( (18446744073709551615UL) >> 1) || buf->len + len > buf->capacity [L8512] EXPR buf->len [L8512] EXPR buf->capacity [L8508-L8512] buf->len > ( (18446744073709551615UL) >> 1) || len > ( (18446744073709551615UL) >> 1) || buf->len + len > buf->capacity VAL [\old(buf)={258:0}, \old(len)=2, \old(src)={257:0}, buf={258:0}, errors={194:0}, len=2, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, src={257:0}, tl_last_error=0] [L8508-L8512] COND TRUE buf->len > ( (18446744073709551615UL) >> 1) || len > ( (18446744073709551615UL) >> 1) || buf->len + len > buf->capacity [L8513] 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] [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367] EXPR buf->capacity [L7367] EXPR buf->capacity == 0 && buf->len == 0 [L7367-L7368] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->len [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7370] EXPR buf->len [L7370] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367-L7370] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8513] RET, EXPR aws_byte_buf_is_valid(buf) VAL [\old(buf)={258:0}, \old(len)=2, \old(src)={257:0}, buf={258:0}, errors={194:0}, len=2, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, src={257:0}, tl_last_error=0] [L8513] 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 159.2s, OverallIterations: 1, TraceHistogramMax: 6, 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=100occurred 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: 0.2s SsaConstructionTime, 25.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 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 06:31:09,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:31:11,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:31:12,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 06:31:12,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:31:12,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:31:12,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:31:12,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:31:12,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:31:12,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:31:12,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:31:12,161 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:31:12,161 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:31:12,162 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:31:12,162 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:31:12,162 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:31:12,163 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:31:12,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:31:12,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:31:12,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:31:12,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:31:12,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:31:12,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:31:12,166 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:31:12,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:31:12,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:31:12,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:31:12,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:31:12,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:31:12,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:31:12,169 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:31:12,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:31:12,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:31:12,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:31:12,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:31:12,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:31:12,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:31:12,172 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:31:12,172 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:31:12,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:31:12,173 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:31:12,173 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2024-11-09 06:31:12,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:31:12,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:31:12,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:31:12,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:31:12,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:31:12,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i Unable to find full path for "g++" [2024-11-09 06:31:14,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:31:15,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:31:15,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-09 06:31:15,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/data/7507ab54d/8ab7c2bf089247b2be5b1e2572602046/FLAGba97809a0 [2024-11-09 06:31:15,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/data/7507ab54d/8ab7c2bf089247b2be5b1e2572602046 [2024-11-09 06:31:15,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:31:15,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:31:15,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:31:15,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:31:15,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:31:15,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:31:15" (1/1) ... [2024-11-09 06:31:15,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c15280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:15, skipping insertion in model container [2024-11-09 06:31:15,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:31:15" (1/1) ... [2024-11-09 06:31:15,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:31:16,073 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-09 06:31:16,082 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-09 06:31:17,156 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 06:31:17,330 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 06:31:17,330 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 06:31:17,331 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 06:31:17,349 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 06:31:17,352 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,353 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,353 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,354 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 06:31:17,355 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,356 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,359 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 06:31:17,360 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 06:31:17,362 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 06:31:17,363 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 06:31:17,373 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,374 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 06:31:17,374 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,375 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 06:31:17,376 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,377 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 06:31:17,378 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:17,378 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 06:31:17,913 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 06:31:17,913 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 06:31:17,914 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 06:31:17,915 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 06:31:18,120 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 06:31:18,139 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 06:31:18,139 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 06:31:18,140 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 06:31:18,140 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 06:31:18,142 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 06:31:18,142 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 06:31:18,158 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 06:31:18,163 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 06:31:18,171 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 06:31:18,262 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 06:31:18,272 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 06:31:18,275 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 06:31:18,275 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,279 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:31:18,542 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-09 06:31:18,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:31:18,623 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-09 06:31:18,624 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-09 06:31:18,654 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 06:31:18,677 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 06:31:18,677 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 06:31:18,678 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 06:31:18,682 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 06:31:18,683 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,684 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,684 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,684 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 06:31:18,685 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,689 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,692 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 06:31:18,693 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 06:31:18,694 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 06:31:18,694 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 06:31:18,706 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,706 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 06:31:18,707 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,707 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 06:31:18,712 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,713 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 06:31:18,713 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,713 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 06:31:18,797 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 06:31:18,802 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 06:31:18,802 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 06:31:18,803 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 06:31:18,847 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 06:31:18,863 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 06:31:18,864 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 06:31:18,864 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 06:31:18,864 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 06:31:18,865 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 06:31:18,866 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 06:31:18,870 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 06:31:18,875 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 06:31:18,881 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 06:31:18,925 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 06:31:18,930 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 06:31:18,932 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 06:31:18,935 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:18,936 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:31:19,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:31:19,088 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-09 06:31:19,089 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_d98ecb47-1206-40cd-b934-e86c7ba2dce0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-09 06:31:19,182 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,182 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,183 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,183 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,184 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,195 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,196 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,197 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,198 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-09 06:31:19,376 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,377 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:31:19,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-09 06:31:19,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:31:19,797 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:31:19,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19 WrapperNode [2024-11-09 06:31:19,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:31:19,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:31:19,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:31:19,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:31:19,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:19,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,066 INFO L138 Inliner]: procedures = 700, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-09 06:31:20,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:31:20,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:31:20,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:31:20,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:31:20,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:31:20,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:31:20,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:31:20,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:31:20,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (1/1) ... [2024-11-09 06:31:20,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:31:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:31:20,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:31:20,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:31:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 06:31:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 06:31:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:31:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 06:31:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 06:31:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:31:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 06:31:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-09 06:31:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:31:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:31:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:31:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:31:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:31:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 06:31:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 06:31:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:31:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:31:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 06:31:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 06:31:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:31:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 06:31:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 06:31:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-09 06:31:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 06:31:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:31:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:31:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:31:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 06:31:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 06:31:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:31:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:31:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 06:31:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 06:31:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-09 06:31:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:31:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 06:31:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:31:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 06:31:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 06:31:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-09 06:31:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-09 06:31:20,812 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:31:20,816 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:31:27,499 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-11-09 06:31:27,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:31:27,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:31:27,516 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:31:27,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:27 BoogieIcfgContainer [2024-11-09 06:31:27,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:31:27,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:31:27,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:31:27,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:31:27,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:31:15" (1/3) ... [2024-11-09 06:31:27,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eca61ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:31:27, skipping insertion in model container [2024-11-09 06:31:27,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:19" (2/3) ... [2024-11-09 06:31:27,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eca61ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:31:27, skipping insertion in model container [2024-11-09 06:31:27,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:27" (3/3) ... [2024-11-09 06:31:27,525 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2024-11-09 06:31:27,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:31:27,545 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:31:27,616 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:31:27,622 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;@79a07c9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:31:27,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:31:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 06:31:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 06:31:27,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:27,642 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:27,643 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:27,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:27,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1958808935, now seen corresponding path program 1 times [2024-11-09 06:31:27,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:27,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731800619] [2024-11-09 06:31:27,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:27,677 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 06:31:27,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:27,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:31:27,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:33:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:33:09,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 4181 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:33:09,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:33:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 06:33:09,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:33:09,652 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:33:09,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731800619] [2024-11-09 06:33:09,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731800619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:33:09,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:33:09,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:33:09,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934115838] [2024-11-09 06:33:09,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:33:09,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:33:09,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:33:09,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:33:09,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:33:09,699 INFO L87 Difference]: Start difference. First operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:33:09,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:33:09,782 INFO L93 Difference]: Finished difference Result 261 states and 370 transitions. [2024-11-09 06:33:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:33:09,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87 [2024-11-09 06:33:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:33:09,800 INFO L225 Difference]: With dead ends: 261 [2024-11-09 06:33:09,800 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 06:33:09,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:33:09,812 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:33:09,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:33:09,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 06:33:09,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-09 06:33:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 83 states have (on average 1.216867469879518) internal successors, (101), 84 states have internal predecessors, (101), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 06:33:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 168 transitions. [2024-11-09 06:33:09,879 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 168 transitions. Word has length 87 [2024-11-09 06:33:09,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:33:09,880 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 168 transitions. [2024-11-09 06:33:09,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:33:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 168 transitions. [2024-11-09 06:33:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 06:33:09,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:33:09,886 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:33:09,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:33:10,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:33:10,087 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:33:10,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:33:10,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1808516203, now seen corresponding path program 1 times [2024-11-09 06:33:10,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:33:10,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117140670] [2024-11-09 06:33:10,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:33:10,093 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 06:33:10,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:33:10,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:33:10,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:35:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:01,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 4181 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:35:01,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:35:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-09 06:35:01,886 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:35:01,887 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:35:01,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117140670] [2024-11-09 06:35:01,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117140670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:01,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:01,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:35:01,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731980644] [2024-11-09 06:35:01,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:01,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:35:01,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:35:01,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:35:01,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:35:01,894 INFO L87 Difference]: Start difference. First operand 128 states and 168 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 06:35:02,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:02,364 INFO L93 Difference]: Finished difference Result 233 states and 314 transitions. [2024-11-09 06:35:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:35:02,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 87 [2024-11-09 06:35:02,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:02,369 INFO L225 Difference]: With dead ends: 233 [2024-11-09 06:35:02,370 INFO L226 Difference]: Without dead ends: 131 [2024-11-09 06:35:02,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 06:35:02,372 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 27 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:02,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 408 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:35:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-09 06:35:02,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-09 06:35:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 85 states have (on average 1.2117647058823529) internal successors, (103), 87 states have internal predecessors, (103), 34 states have call successors, (34), 10 states have call predecessors, (34), 11 states have return successors, (37), 33 states have call predecessors, (37), 33 states have call successors, (37) [2024-11-09 06:35:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 174 transitions. [2024-11-09 06:35:02,393 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 174 transitions. Word has length 87 [2024-11-09 06:35:02,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:02,394 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 174 transitions. [2024-11-09 06:35:02,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 06:35:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 174 transitions. [2024-11-09 06:35:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 06:35:02,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:02,397 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:35:02,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:35:02,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:35:02,599 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:02,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:02,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1022946240, now seen corresponding path program 1 times [2024-11-09 06:35:02,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:35:02,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420266930] [2024-11-09 06:35:02,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:02,605 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 06:35:02,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:35:02,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:35:02,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:36:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:55,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 4194 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 06:36:55,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:36:56,209 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 06:36:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-09 06:36:57,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:36:57,576 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:36:57,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420266930] [2024-11-09 06:36:57,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420266930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:36:57,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:36:57,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:36:57,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523568707] [2024-11-09 06:36:57,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:36:57,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:36:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:36:57,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:36:57,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:36:57,580 INFO L87 Difference]: Start difference. First operand 131 states and 174 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 10 states have internal predecessors, (47), 5 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-09 06:37:00,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:02,019 WARN L539 Checker$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 06:37:04,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:06,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:08,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:10,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:12,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:15,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:19,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:37:23,601 WARN L539 Checker$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 06:37:25,693 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 06:37:26,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:26,150 INFO L93 Difference]: Finished difference Result 275 states and 366 transitions. [2024-11-09 06:37:26,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:37:26,152 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 10 states have internal predecessors, (47), 5 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 93 [2024-11-09 06:37:26,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:26,155 INFO L225 Difference]: With dead ends: 275 [2024-11-09 06:37:26,157 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 06:37:26,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:37:26,160 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 78 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:26,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 760 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 11 Unknown, 0 Unchecked, 28.0s Time] [2024-11-09 06:37:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 06:37:26,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 159. [2024-11-09 06:37:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 108 states have (on average 1.2314814814814814) internal successors, (133), 112 states have internal predecessors, (133), 36 states have call successors, (36), 12 states have call predecessors, (36), 14 states have return successors, (40), 34 states have call predecessors, (40), 35 states have call successors, (40) [2024-11-09 06:37:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 209 transitions. [2024-11-09 06:37:26,188 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 209 transitions. Word has length 93 [2024-11-09 06:37:26,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:26,189 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 209 transitions. [2024-11-09 06:37:26,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 10 states have internal predecessors, (47), 5 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-09 06:37:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 209 transitions. [2024-11-09 06:37:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 06:37:26,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:26,194 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:26,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:37:26,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:37:26,395 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:26,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:26,396 INFO L85 PathProgramCache]: Analyzing trace with hash 791605112, now seen corresponding path program 1 times [2024-11-09 06:37:26,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:26,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174343667] [2024-11-09 06:37:26,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:26,399 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 06:37:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:26,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:37:26,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:39:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:39:23,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 4203 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:39:23,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:39:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 06:39:24,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:39:24,558 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:39:24,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174343667] [2024-11-09 06:39:24,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174343667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:39:24,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:39:24,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:39:24,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704642324] [2024-11-09 06:39:24,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:39:24,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:39:24,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:39:24,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:39:24,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:39:24,562 INFO L87 Difference]: Start difference. First operand 159 states and 209 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:39:26,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:39:29,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:39:31,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:39:35,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:39:35,416 INFO L93 Difference]: Finished difference Result 324 states and 443 transitions. [2024-11-09 06:39:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:39:35,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 97 [2024-11-09 06:39:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:39:35,421 INFO L225 Difference]: With dead ends: 324 [2024-11-09 06:39:35,421 INFO L226 Difference]: Without dead ends: 191 [2024-11-09 06:39:35,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:39:35,423 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 15 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:39:35,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 569 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2024-11-09 06:39:35,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-09 06:39:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 169. [2024-11-09 06:39:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 118 states have (on average 1.2457627118644068) internal successors, (147), 122 states have internal predecessors, (147), 36 states have call successors, (36), 12 states have call predecessors, (36), 14 states have return successors, (40), 34 states have call predecessors, (40), 35 states have call successors, (40) [2024-11-09 06:39:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 223 transitions. [2024-11-09 06:39:35,450 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 223 transitions. Word has length 97 [2024-11-09 06:39:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:39:35,450 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 223 transitions. [2024-11-09 06:39:35,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:39:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 223 transitions. [2024-11-09 06:39:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 06:39:35,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:39:35,455 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:39:35,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:39:35,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:39:35,656 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:39:35,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:39:35,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1541787526, now seen corresponding path program 1 times [2024-11-09 06:39:35,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:39:35,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080457756] [2024-11-09 06:39:35,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:39:35,659 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 06:39:35,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:39:35,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:39:35,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:41:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:41:17,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 4200 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:41:17,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:41:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 06:41:22,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:41:22,095 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:41:22,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080457756] [2024-11-09 06:41:22,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080457756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:41:22,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:41:22,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:41:22,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587537449] [2024-11-09 06:41:22,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:41:22,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:41:22,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:41:22,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:41:22,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:41:22,099 INFO L87 Difference]: Start difference. First operand 169 states and 223 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 06:41:24,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:41:26,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:41:28,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:41:30,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:41:33,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:41:35,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:41:37,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:41:58,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:41:58,178 INFO L93 Difference]: Finished difference Result 335 states and 459 transitions. [2024-11-09 06:41:58,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:41:58,180 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 97 [2024-11-09 06:41:58,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:41:58,182 INFO L225 Difference]: With dead ends: 335 [2024-11-09 06:41:58,182 INFO L226 Difference]: Without dead ends: 191 [2024-11-09 06:41:58,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-09 06:41:58,185 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 11 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:41:58,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1469 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 522 Invalid, 7 Unknown, 0 Unchecked, 33.5s Time] [2024-11-09 06:41:58,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-09 06:41:58,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 174. [2024-11-09 06:41:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 123 states have (on average 1.2357723577235773) internal successors, (152), 127 states have internal predecessors, (152), 36 states have call successors, (36), 12 states have call predecessors, (36), 14 states have return successors, (40), 34 states have call predecessors, (40), 35 states have call successors, (40) [2024-11-09 06:41:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 228 transitions. [2024-11-09 06:41:58,224 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 228 transitions. Word has length 97 [2024-11-09 06:41:58,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:41:58,225 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 228 transitions. [2024-11-09 06:41:58,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 06:41:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 228 transitions. [2024-11-09 06:41:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 06:41:58,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:41:58,228 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:41:58,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:41:58,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:41:58,429 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:41:58,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:41:58,429 INFO L85 PathProgramCache]: Analyzing trace with hash 59637686, now seen corresponding path program 1 times [2024-11-09 06:41:58,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:41:58,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656346364] [2024-11-09 06:41:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:41:58,433 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 06:41:58,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:41:58,434 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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 06:41:58,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d98ecb47-1206-40cd-b934-e86c7ba2dce0/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