./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:59,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:59,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:13:59,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:59,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:59,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:59,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:59,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:59,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:59,430 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:59,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:59,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:59,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:59,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:59,432 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:59,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:59,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:59,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:59,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:59,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:59,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:59,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:59,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:59,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:59,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:59,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:59,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:59,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:59,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:59,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:59,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:59,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:59,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:59,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:59,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:59,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:59,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:59,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:59,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:59,448 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 [2024-10-31 22:13:59,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:59,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:59,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:59,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:59,799 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:59,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:14:02,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:03,000 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:03,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2024-10-31 22:14:03,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/data/e8ba3f868/773c06493f724bdc846e6e6aa7f851ab/FLAG0debef18c [2024-10-31 22:14:03,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/data/e8ba3f868/773c06493f724bdc846e6e6aa7f851ab [2024-10-31 22:14:03,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:03,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:03,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:03,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:03,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:03,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:03" (1/1) ... [2024-10-31 22:14:03,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c54faaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:03, skipping insertion in model container [2024-10-31 22:14:03,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:03" (1/1) ... [2024-10-31 22:14:03,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:03,668 WARN L251 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_2da0ebee-fdda-4632-95e9-5a247f410827/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4495,4508] [2024-10-31 22:14:03,681 WARN L251 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_2da0ebee-fdda-4632-95e9-5a247f410827/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4555,4568] [2024-10-31 22:14:05,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:05,016 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:05,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:05,020 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:05,023 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:05,045 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:05,046 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:05,050 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:05,051 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,259 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,261 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:06,481 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:06,509 WARN L251 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_2da0ebee-fdda-4632-95e9-5a247f410827/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4495,4508] [2024-10-31 22:14:06,511 WARN L251 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_2da0ebee-fdda-4632-95e9-5a247f410827/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4555,4568] [2024-10-31 22:14:06,580 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,581 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,582 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,582 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,583 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,598 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,599 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,603 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,606 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-10-31 22:14:06,808 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,809 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:06,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-10-31 22:14:06,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:07,192 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:07,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07 WrapperNode [2024-10-31 22:14:07,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:07,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:07,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:07,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:07,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,487 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2024-10-31 22:14:07,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:07,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:07,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:07,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:07,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,634 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 47, 6, 8, 2]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 8, 0, 5, 0]. The 496 writes are split as follows [0, 257, 232, 3, 2, 1, 1]. [2024-10-31 22:14:07,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:07,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:07,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:07,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:07,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:07,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:07,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:07,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da0ebee-fdda-4632-95e9-5a247f410827/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:14:07,820 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:14:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:14:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:14:07,822 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:14:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:14:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:14:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:14:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:14:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:14:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:14:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:14:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:14:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:14:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:14:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:14:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:14:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:14:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:14:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:14:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:14:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:14:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:14:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:14:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:14:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:14:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:14:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:14:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:14:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-31 22:14:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-31 22:14:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:14:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:14:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:14:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:14:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:14:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:14:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:14:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:14:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:14:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:14:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:14:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-31 22:14:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-31 22:14:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:14:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:14:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:14:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:14:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:14:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:14:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:14:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:14:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-10-31 22:14:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-10-31 22:14:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:14:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:14:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:14:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:14:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:14:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:14:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:14:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:14:07,841 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:14:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:14:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:14:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:14:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:14:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:14:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:14:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:14:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:14:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:14:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:14:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:14:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:14:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:14:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:14:08,388 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:08,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:18,698 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:18,698 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:18,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:18,714 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:14:18,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:18 BoogieIcfgContainer [2024-10-31 22:14:18,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:18,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:18,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:18,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:18,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:03" (1/3) ... [2024-10-31 22:14:18,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1fb5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:18, skipping insertion in model container [2024-10-31 22:14:18,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (2/3) ... [2024-10-31 22:14:18,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1fb5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:18, skipping insertion in model container [2024-10-31 22:14:18,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:18" (3/3) ... [2024-10-31 22:14:18,728 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2024-10-31 22:14:18,752 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:18,752 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:14:18,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:18,841 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@281cb2e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:18,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:14:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 86 states have (on average 1.2325581395348837) internal successors, (106), 87 states have internal predecessors, (106), 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) [2024-10-31 22:14:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-31 22:14:18,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:18,863 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] [2024-10-31 22:14:18,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:18,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:18,870 INFO L85 PathProgramCache]: Analyzing trace with hash -276254992, now seen corresponding path program 1 times [2024-10-31 22:14:18,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:18,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142781641] [2024-10-31 22:14:18,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:18,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms