./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_negated.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 c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:07:36,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:07:36,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:07:36,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:07:36,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:07:36,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:07:36,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:07:36,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:07:36,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:07:36,389 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:07:36,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:07:36,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:07:36,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:07:36,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:07:36,392 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:07:36,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:07:36,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:07:36,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:07:36,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:07:36,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:07:36,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:07:36,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:07:36,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:07:36,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:07:36,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:07:36,399 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:07:36,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:07:36,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:07:36,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:07:36,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:07:36,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:07:36,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:07:36,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:07:36,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:07:36,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:07:36,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:07:36,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:07:36,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:07:36,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:07:36,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d [2024-11-10 11:07:36,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:07:36,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:07:36,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:07:36,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:07:36,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:07:36,720 INFO L431 ainManager$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_negated.i [2024-11-10 11:07:38,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:07:38,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:07:38,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2024-11-10 11:07:38,717 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fa4ae0b/8f800df2b9cd4ad586f41a7378894527/FLAG29c133d6c [2024-11-10 11:07:38,735 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fa4ae0b/8f800df2b9cd4ad586f41a7378894527 [2024-11-10 11:07:38,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:07:38,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:07:38,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:07:38,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:07:38,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:07:38,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:07:38" (1/1) ... [2024-11-10 11:07:38,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f51280f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:38, skipping insertion in model container [2024-11-10 11:07:38,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:07:38" (1/1) ... [2024-11-10 11:07:38,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:07:39,283 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_negated.i[4496,4509] [2024-11-10 11:07:39,293 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_negated.i[4556,4569] [2024-11-10 11:07:40,475 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:40,476 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:40,476 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:40,477 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:40,481 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:40,496 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:40,496 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:40,499 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:40,499 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,259 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,261 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:07:41,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:07:41,528 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_negated.i[4496,4509] [2024-11-10 11:07:41,529 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_negated.i[4556,4569] [2024-11-10 11:07:41,564 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,566 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,571 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,571 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,572 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,575 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-10 11:07:41,708 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,709 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:07:41,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-10 11:07:41,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:07:41,996 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:07:41,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41 WrapperNode [2024-11-10 11:07:41,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:07:41,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:07:41,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:07:41,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:07:42,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,205 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2024-11-10 11:07:42,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:07:42,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:07:42,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:07:42,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:07:42,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,318 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 16, 20, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 16, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3]. [2024-11-10 11:07:42,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,359 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:07:42,415 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:07:42,416 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:07:42,416 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:07:42,417 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (1/1) ... [2024-11-10 11:07:42,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:07:42,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:07:42,454 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) [2024-11-10 11:07:42,457 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 [2024-11-10 11:07:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-10 11:07:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-10 11:07:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 11:07:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 11:07:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-10 11:07:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-10 11:07:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:07:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:07:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:07:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:07:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:07:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:07:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:07:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:07:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:07:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:07:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:07:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:07:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:07:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:07:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:07:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:07:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:07:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:07:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:07:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:07:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:07:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:07:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:07:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:07:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:07:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:07:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:07:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:07:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:07:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:07:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:07:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:07:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:07:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:07:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:07:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:07:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:07:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:07:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:07:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:07:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:07:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:07:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:07:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 11:07:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-10 11:07:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-10 11:07:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:07:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:07:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:07:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:07:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:07:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:07:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:07:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 11:07:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:07:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:07:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:07:42,884 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:07:42,886 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:07:42,920 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 11:07:42,942 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-10 11:07:42,944 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 11:07:42,971 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7671: havoc #t~nondet817; [2024-11-10 11:07:43,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7329: 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; [2024-11-10 11:07:43,037 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:07:43,080 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2024-11-10 11:07:51,377 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-10 11:07:51,378 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9374: 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; [2024-11-10 11:07:51,420 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-10 11:07:51,420 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:07:51,436 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:07:51,436 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:07:51,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:07:51 BoogieIcfgContainer [2024-11-10 11:07:51,437 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:07:51,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:07:51,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:07:51,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:07:51,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:07:38" (1/3) ... [2024-11-10 11:07:51,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49903f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:07:51, skipping insertion in model container [2024-11-10 11:07:51,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:41" (2/3) ... [2024-11-10 11:07:51,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49903f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:07:51, skipping insertion in model container [2024-11-10 11:07:51,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:07:51" (3/3) ... [2024-11-10 11:07:51,447 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness_negated.i [2024-11-10 11:07:51,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:07:51,461 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:07:51,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:07:51,526 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;@8b684b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:07:51,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:07:51,531 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) [2024-11-10 11:07:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 11:07:51,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:07:51,541 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] [2024-11-10 11:07:51,542 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:07:51,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:07:51,546 INFO L85 PathProgramCache]: Analyzing trace with hash 14883884, now seen corresponding path program 1 times [2024-11-10 11:07:51,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:07:51,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788361495] [2024-11-10 11:07:51,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:07:51,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:09:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:11,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:09:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:09:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:11,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-10 11:09:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:11,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 11:09:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:11,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:09:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 11:09:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:12,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 11:09:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:12,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 11:09:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:12,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 11:09:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:12,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 11:09:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 11:09:12,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:09:12,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788361495] [2024-11-10 11:09:12,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788361495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:09:12,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:09:12,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 11:09:12,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219879110] [2024-11-10 11:09:12,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:09:12,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 11:09:12,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:09:12,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 11:09:12,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 11:09:12,326 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)