./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_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_string_eq_byte_buf_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 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:04:51,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:04:51,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:04:51,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:04:51,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:04:51,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:04:51,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:04:51,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:04:51,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:04:51,507 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:04:51,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:04:51,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:04:51,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:04:51,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:04:51,510 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:04:51,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:04:51,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:04:51,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:04:51,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:04:51,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:04:51,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:04:51,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:04:51,516 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:04:51,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:04:51,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:04:51,517 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:04:51,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:04:51,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:04:51,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:04:51,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:04:51,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:04:51,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:04:51,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:04:51,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:04:51,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:04:51,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:04:51,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:04:51,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:04:51,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:04:51,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce [2024-11-16 20:04:51,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:04:51,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:04:51,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:04:51,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:04:51,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:04:51,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2024-11-16 20:04:53,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:04:53,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:04:53,777 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2024-11-16 20:04:53,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9fae873/1675a1c3efc64f3fa55a828698033888/FLAG8747a443f [2024-11-16 20:04:53,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9fae873/1675a1c3efc64f3fa55a828698033888 [2024-11-16 20:04:53,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:04:53,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:04:53,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:04:53,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:04:53,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:04:53,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:04:53" (1/1) ... [2024-11-16 20:04:53,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37bb2b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:53, skipping insertion in model container [2024-11-16 20:04:53,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:04:53" (1/1) ... [2024-11-16 20:04:53,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:04:54,320 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_string_eq_byte_buf_harness.i[4496,4509] [2024-11-16 20:04:54,330 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_string_eq_byte_buf_harness.i[4556,4569] [2024-11-16 20:04:55,387 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:55,388 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:55,389 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:55,393 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:55,394 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:55,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:55,419 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:55,421 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:55,423 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,165 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,168 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:04:56,396 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:04:56,413 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_string_eq_byte_buf_harness.i[4496,4509] [2024-11-16 20:04:56,414 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_string_eq_byte_buf_harness.i[4556,4569] [2024-11-16 20:04:56,463 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,463 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,464 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,464 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,465 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,470 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,471 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,472 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,475 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-16 20:04:56,607 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,608 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:04:56,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-16 20:04:56,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:04:56,947 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:04:56,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56 WrapperNode [2024-11-16 20:04:56,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:04:56,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:04:56,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:04:56,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:04:56,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,204 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2024-11-16 20:04:57,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:04:57,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:04:57,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:04:57,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:04:57,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,287 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 20, 16, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 4, 16, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 3]. [2024-11-16 20:04:57,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,317 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:04:57,348 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:04:57,348 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:04:57,348 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:04:57,349 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (1/1) ... [2024-11-16 20:04:57,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:04:57,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:04:57,387 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 20:04:57,393 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 20:04:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-16 20:04:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-16 20:04:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 20:04:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 20:04:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-16 20:04:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-16 20:04:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:04:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:04:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:04:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:04:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:04:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:04:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:04:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:04:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:04:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:04:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:04:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:04:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:04:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:04:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:04:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:04:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:04:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:04:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:04:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:04:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-16 20:04:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-16 20:04:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:04:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:04:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:04:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:04:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:04:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:04:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:04:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:04:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 20:04:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 20:04:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:04:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:04:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:04:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:04:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:04:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:04:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:04:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:04:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:04:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:04:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:04:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:04:57,796 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:04:57,798 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:04:57,842 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 20:04:57,881 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-16 20:04:57,883 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 20:04:57,898 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2024-11-16 20:04:57,943 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7361: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-16 20:04:57,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:04:58,011 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2024-11-16 20:05:06,501 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9408: havoc aws_string_eq_byte_buf_#t~mem1318#1;havoc aws_string_eq_byte_buf_#t~mem1319#1.base, aws_string_eq_byte_buf_#t~mem1319#1.offset;havoc aws_string_eq_byte_buf_#t~mem1320#1;havoc aws_string_eq_byte_buf_#t~ret1321#1; [2024-11-16 20:05:06,501 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-16 20:05:06,549 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-16 20:05:06,549 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:05:06,570 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:05:06,571 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:05:06,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:05:06 BoogieIcfgContainer [2024-11-16 20:05:06,571 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:05:06,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:05:06,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:05:06,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:05:06,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:04:53" (1/3) ... [2024-11-16 20:05:06,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426063a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:05:06, skipping insertion in model container [2024-11-16 20:05:06,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:04:56" (2/3) ... [2024-11-16 20:05:06,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426063a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:05:06, skipping insertion in model container [2024-11-16 20:05:06,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:05:06" (3/3) ... [2024-11-16 20:05:06,580 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2024-11-16 20:05:06,598 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:05:06,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:05:06,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:05:06,690 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;@7b13a149, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:05:06,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:05:06,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 89 states have internal predecessors, (111), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 20:05:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 20:05:06,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:05:06,714 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:05:06,715 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:05:06,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:05:06,724 INFO L85 PathProgramCache]: Analyzing trace with hash 14883884, now seen corresponding path program 1 times [2024-11-16 20:05:06,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:05:06,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411622559] [2024-11-16 20:05:06,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:05:06,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:06:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:06:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:24,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:06:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-16 20:06:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 20:06:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:25,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:06:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 20:06:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 20:06:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:25,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 20:06:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:25,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 20:06:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:25,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 20:06:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:25,541 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-16 20:06:25,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:06:25,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411622559] [2024-11-16 20:06:25,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411622559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:06:25,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:06:25,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 20:06:25,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991334764] [2024-11-16 20:06:25,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:06:25,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:06:25,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:06:25,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:06:25,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:06:25,576 INFO L87 Difference]: Start difference. First operand has 131 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 89 states have internal predecessors, (111), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10)