./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_init_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 faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:59:54,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:59:54,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:59:54,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:59:54,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:59:54,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:59:54,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:59:54,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:59:54,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:59:54,550 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:59:54,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:59:54,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:59:54,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:59:54,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:59:54,551 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:59:54,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:59:54,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:59:54,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:59:54,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:59:54,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:59:54,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:59:54,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:59:54,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:59:54,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:59:54,552 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:59:54,552 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:59:54,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:59:54,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:59:54,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:59:54,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:59:54,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:59:54,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:59:54,553 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:59:54,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:59:54,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:59:54,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:59:54,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:59:54,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:59:54,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:59:54,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:59:54,554 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 [2025-03-17 06:59:54,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:59:54,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:59:54,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:59:54,864 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:59:54,865 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:59:54,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2025-03-17 06:59:56,192 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c8d59d4/f55312bc4aae43d89a527a7c05946515/FLAGef63681c5 [2025-03-17 06:59:57,372 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:59:57,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2025-03-17 06:59:57,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c8d59d4/f55312bc4aae43d89a527a7c05946515/FLAGef63681c5 [2025-03-17 06:59:57,422 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c8d59d4/f55312bc4aae43d89a527a7c05946515 [2025-03-17 06:59:57,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:59:57,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:59:57,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:59:57,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:59:57,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:59:57,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:59:57" (1/1) ... [2025-03-17 06:59:57,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a5dd21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:57, skipping insertion in model container [2025-03-17 06:59:57,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:59:57" (1/1) ... [2025-03-17 06:59:57,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:59:57,667 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_init_harness.i[4491,4504] [2025-03-17 06:59:57,675 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_init_harness.i[4551,4564] [2025-03-17 06:59:58,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,137 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:59:58,738 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:59:58,752 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_init_harness.i[4491,4504] [2025-03-17 06:59:58,752 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_init_harness.i[4551,4564] [2025-03-17 06:59:58,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2025-03-17 06:59:58,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:58,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2025-03-17 06:59:58,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:59:59,075 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:59:59,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59 WrapperNode [2025-03-17 06:59:59,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:59:59,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:59:59,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:59:59,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:59:59,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,181 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-03-17 06:59:59,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:59:59,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:59:59,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:59:59,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:59:59,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,258 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2025-03-17 06:59:59,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,290 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:59:59,318 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:59:59,319 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:59:59,319 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:59:59,320 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 06:59:59,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:59:59,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:59:59,357 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) [2025-03-17 06:59:59,360 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 [2025-03-17 06:59:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:59:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:59:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:59:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:59:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:59:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 06:59:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 06:59:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:59:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:59:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:59:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:59:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:59:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:59:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:59:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:59:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:59:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:59:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 06:59:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 06:59:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:59:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:59:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:59:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 06:59:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:59:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-17 06:59:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:59:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:59:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:59:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:59:59,670 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:59:59,672 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:59:59,722 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:59:59,752 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6894: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-17 06:59:59,807 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7159: havoc #t~mem617;havoc #t~mem618;havoc #t~short619;havoc #t~mem620.base, #t~mem620.offset;havoc #t~short621;havoc #t~mem622;havoc #t~mem623;havoc #t~mem624;havoc #t~short625;havoc #t~mem626;havoc #t~mem627.base, #t~mem627.offset;havoc #t~short628;havoc #t~short629;havoc #t~short630;havoc #t~short631; [2025-03-17 06:59:59,831 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:59:59,840 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6919: havoc #t~ret569.base, #t~ret569.offset; [2025-03-17 07:00:06,769 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:00:06,793 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-03-17 07:00:06,794 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:00:06,804 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:00:06,804 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:00:06,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:06 BoogieIcfgContainer [2025-03-17 07:00:06,805 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:00:06,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:00:06,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:00:06,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:00:06,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:59:57" (1/3) ... [2025-03-17 07:00:06,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbcebcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:06, skipping insertion in model container [2025-03-17 07:00:06,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (2/3) ... [2025-03-17 07:00:06,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbcebcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:06, skipping insertion in model container [2025-03-17 07:00:06,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:06" (3/3) ... [2025-03-17 07:00:06,817 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness.i [2025-03-17 07:00:06,831 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:00:06,833 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness.i that has 11 procedures, 96 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:00:06,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:00:06,891 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;@6c643552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:00:06,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:00:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 64 states have (on average 1.25) internal successors, (80), 65 states have internal predecessors, (80), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 07:00:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 07:00:06,901 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:00:06,901 INFO L218 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] [2025-03-17 07:00:06,901 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:00:06,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:00:06,907 INFO L85 PathProgramCache]: Analyzing trace with hash -853294117, now seen corresponding path program 1 times [2025-03-17 07:00:06,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:00:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893822575] [2025-03-17 07:00:06,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:00:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:01:20,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 07:01:21,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 07:01:21,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:01:21,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:01:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 07:01:21,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:01:21,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893822575] [2025-03-17 07:01:21,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893822575] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:01:21,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882764052] [2025-03-17 07:01:21,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:01:21,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:01:21,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:21,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:01:21,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process