./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:47:13,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:47:13,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:47:13,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:47:13,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:47:13,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:47:13,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:47:13,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:47:13,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:47:13,260 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:47:13,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:47:13,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:47:13,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:47:13,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:47:13,264 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:47:13,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:47:13,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:47:13,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:47:13,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:47:13,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:47:13,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:47:13,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:47:13,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:47:13,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:47:13,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:47:13,269 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:47:13,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:47:13,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:47:13,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:47:13,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:47:13,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:47:13,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:47:13,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:47:13,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:47:13,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:47:13,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:47:13,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:47:13,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:47:13,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:47:13,274 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 [2024-11-16 19:47:13,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:47:13,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:47:13,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:47:13,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:47:13,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:47:13,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-16 19:47:14,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:47:15,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:47:15,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-16 19:47:15,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd8d8004/dcdee8659f4249948a3a0964f4b2e4cd/FLAG95da92fdb [2024-11-16 19:47:15,418 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd8d8004/dcdee8659f4249948a3a0964f4b2e4cd [2024-11-16 19:47:15,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:47:15,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:47:15,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:47:15,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:47:15,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:47:15,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:15,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a47713a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15, skipping insertion in model container [2024-11-16 19:47:15,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:15,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:47:15,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-16 19:47:15,819 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-16 19:47:16,603 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:16,604 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:16,604 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:16,607 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:16,608 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:16,626 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:16,628 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:16,630 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:16,632 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,255 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,256 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,330 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,331 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:47:17,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:47:17,465 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-16 19:47:17,466 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-16 19:47:17,510 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,510 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,510 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,511 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,511 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,517 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,518 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,518 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,519 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,586 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,587 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2024-11-16 19:47:17,629 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,629 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:17,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2024-11-16 19:47:17,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:47:18,011 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:47:18,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18 WrapperNode [2024-11-16 19:47:18,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:47:18,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:47:18,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:47:18,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:47:18,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,208 INFO L138 Inliner]: procedures = 681, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 965 [2024-11-16 19:47:18,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:47:18,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:47:18,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:47:18,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:47:18,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,290 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-16 19:47:18,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,331 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:47:18,349 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:47:18,349 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:47:18,349 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:47:18,350 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (1/1) ... [2024-11-16 19:47:18,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:47:18,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:47:18,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 19:47:18,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 19:47:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:47:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:47:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:47:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:47:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:47:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-16 19:47:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 19:47:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:47:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:47:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:47:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:47:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:47:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:47:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 19:47:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:47:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:47:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:47:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:47:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-16 19:47:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-16 19:47:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-16 19:47:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-16 19:47:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-16 19:47:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-16 19:47:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-16 19:47:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:47:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:47:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:47:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 19:47:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 19:47:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:47:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:47:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:47:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:47:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 19:47:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 19:47:18,676 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:47:18,679 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:47:18,720 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:47:18,777 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7423: havoc #t~mem683;havoc #t~mem684;havoc #t~short685;havoc #t~mem686.base, #t~mem686.offset;havoc #t~short687;havoc #t~mem688;havoc #t~mem689;havoc #t~mem690;havoc #t~short691;havoc #t~mem692;havoc #t~mem693.base, #t~mem693.offset;havoc #t~short694;havoc #t~short695;havoc #t~short696;havoc #t~short697; [2024-11-16 19:47:18,789 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:47:18,905 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8066-2: havoc #t~ret962#1; [2024-11-16 19:47:18,905 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8067-2: havoc #t~ret964#1; [2024-11-16 19:47:18,905 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7094: havoc aws_mem_realloc_#t~ret593#1; [2024-11-16 19:47:18,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2024-11-16 19:47:18,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2024-11-16 19:47:18,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6916: havoc #t~ret565#1.base, #t~ret565#1.offset; [2024-11-16 19:47:18,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:47:26,545 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6606: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2024-11-16 19:47:26,654 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-16 19:47:26,654 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:47:26,670 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:47:26,670 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:47:26,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:47:26 BoogieIcfgContainer [2024-11-16 19:47:26,671 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:47:26,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:47:26,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:47:26,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:47:26,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:47:15" (1/3) ... [2024-11-16 19:47:26,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b81c537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:47:26, skipping insertion in model container [2024-11-16 19:47:26,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:18" (2/3) ... [2024-11-16 19:47:26,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b81c537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:47:26, skipping insertion in model container [2024-11-16 19:47:26,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:47:26" (3/3) ... [2024-11-16 19:47:26,680 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2024-11-16 19:47:26,696 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:47:26,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:47:26,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:47:26,790 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;@4c2f2a42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:47:26,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:47:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 107 states have internal predecessors, (137), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-16 19:47:26,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-16 19:47:26,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:47:26,810 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:47:26,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:47:26,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:47:26,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1945050496, now seen corresponding path program 1 times [2024-11-16 19:47:26,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:47:26,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748213249] [2024-11-16 19:47:26,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:47:26,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:48:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:48:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 19:48:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:48:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 19:48:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 19:48:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 19:48:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-16 19:48:42,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:48:42,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748213249] [2024-11-16 19:48:42,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748213249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:48:42,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:48:42,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:48:42,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31737977] [2024-11-16 19:48:42,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:48:42,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:48:42,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:48:42,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:48:42,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:48:42,809 INFO L87 Difference]: Start difference. First operand has 156 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 107 states have internal predecessors, (137), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-16 19:48:47,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:48:49,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:48:49,172 INFO L93 Difference]: Finished difference Result 324 states and 459 transitions. [2024-11-16 19:48:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:48:49,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-16 19:48:49,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:48:49,191 INFO L225 Difference]: With dead ends: 324 [2024-11-16 19:48:49,191 INFO L226 Difference]: Without dead ends: 171 [2024-11-16 19:48:49,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:48:49,199 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 92 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-16 19:48:49,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 183 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-16 19:48:49,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-16 19:48:49,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 148. [2024-11-16 19:48:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 100 states have internal predecessors, (122), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 19:48:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 195 transitions. [2024-11-16 19:48:49,263 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 195 transitions. Word has length 48 [2024-11-16 19:48:49,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:48:49,263 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 195 transitions. [2024-11-16 19:48:49,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-16 19:48:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 195 transitions. [2024-11-16 19:48:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-16 19:48:49,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:48:49,266 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:48:49,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:48:49,267 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:48:49,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:48:49,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1456173234, now seen corresponding path program 1 times [2024-11-16 19:48:49,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:48:49,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437639790] [2024-11-16 19:48:49,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:48:49,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms