./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_reserve_relative_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 da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:41:42,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:41:42,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:41:42,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:41:42,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:41:42,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:41:42,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:41:42,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:41:42,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:41:42,392 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:41:42,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:41:42,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:41:42,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:41:42,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:41:42,393 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:41:42,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:41:42,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:41:42,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:41:42,394 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:42,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:41:42,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:41:42,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:41:42,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:41:42,395 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 -> da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 [2025-03-04 02:41:42,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:41:42,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:41:42,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:41:42,653 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:41:42,653 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:41:42,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-03-04 02:41:43,784 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08829bd43/044c31d4f4064e3a93b7df08f29467ae/FLAG8d21fa442 [2025-03-04 02:41:44,245 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:41:44,248 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-03-04 02:41:44,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08829bd43/044c31d4f4064e3a93b7df08f29467ae/FLAG8d21fa442 [2025-03-04 02:41:44,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08829bd43/044c31d4f4064e3a93b7df08f29467ae [2025-03-04 02:41:44,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:41:44,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:41:44,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:44,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:41:44,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:41:44,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:44" (1/1) ... [2025-03-04 02:41:44,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14894776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:44, skipping insertion in model container [2025-03-04 02:41:44,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:44" (1/1) ... [2025-03-04 02:41:44,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:41:44,581 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2025-03-04 02:41:44,589 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2025-03-04 02:41:45,074 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,075 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,075 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,087 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,418 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,418 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:45,593 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:41:45,604 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2025-03-04 02:41:45,605 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2025-03-04 02:41:45,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,648 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,648 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,710 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,710 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2025-03-04 02:41:45,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:45,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2025-03-04 02:41:45,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:45,932 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:41:45,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45 WrapperNode [2025-03-04 02:41:45,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:45,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:45,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:41:45,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:41:45,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:45,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,052 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-03-04 02:41:46,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:46,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:41:46,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:41:46,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:41:46,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,105 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-04 02:41:46,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,126 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:41:46,151 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:41:46,151 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:41:46,151 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:41:46,151 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (1/1) ... [2025-03-04 02:41:46,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:46,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:41:46,178 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) [2025-03-04 02:41:46,181 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 [2025-03-04 02:41:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:41:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:41:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:41:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:41:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:41:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-04 02:41:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 02:41:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:41:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:41:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:41:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:41:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:41:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:41:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-04 02:41:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:41:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:41:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-04 02:41:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 02:41:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:41:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:41:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:41:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:41:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:41:46,202 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:41:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 02:41:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 02:41:46,373 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:41:46,374 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:41:46,405 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:41:46,477 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7205: havoc #t~mem622;havoc #t~mem623;havoc #t~short624;havoc #t~mem625.base, #t~mem625.offset;havoc #t~short626;havoc #t~mem627;havoc #t~mem628;havoc #t~mem629;havoc #t~short630;havoc #t~mem631;havoc #t~mem632.base, #t~mem632.offset;havoc #t~short633;havoc #t~short634;havoc #t~short635;havoc #t~short636; [2025-03-04 02:41:46,490 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:41:46,595 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6910: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-04 02:41:46,595 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6912: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2025-03-04 02:41:46,595 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-04 02:41:46,608 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:41:53,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7088: havoc aws_mem_realloc_#t~ret593#1; [2025-03-04 02:41:53,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7848-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-03-04 02:41:53,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7849-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-03-04 02:41:53,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7868-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-03-04 02:41:53,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:41:53,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7877: havoc aws_byte_buf_reserve_relative_#t~mem918#1;havoc aws_byte_buf_reserve_relative_#t~ret919#1;call ULTIMATE.dealloc(aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset);havoc aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset; [2025-03-04 02:41:53,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7869-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-03-04 02:41:53,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6606: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2025-03-04 02:41:53,321 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2025-03-04 02:41:53,321 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:41:53,332 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:41:53,332 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:41:53,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:53 BoogieIcfgContainer [2025-03-04 02:41:53,333 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:41:53,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:41:53,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:41:53,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:41:53,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:41:44" (1/3) ... [2025-03-04 02:41:53,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bae5c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:53, skipping insertion in model container [2025-03-04 02:41:53,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:45" (2/3) ... [2025-03-04 02:41:53,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bae5c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:53, skipping insertion in model container [2025-03-04 02:41:53,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:53" (3/3) ... [2025-03-04 02:41:53,340 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2025-03-04 02:41:53,350 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:41:53,351 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_relative_harness.i that has 12 procedures, 162 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-04 02:41:53,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:41:53,399 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;@4040ff37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:41:53,400 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:41:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 112 states have internal predecessors, (148), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-04 02:41:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-04 02:41:53,409 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:41:53,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:41:53,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:41:53,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:41:53,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1176558587, now seen corresponding path program 1 times [2025-03-04 02:41:53,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:41:53,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817775575] [2025-03-04 02:41:53,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:41:53,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:43:02,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 02:43:03,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 02:43:03,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:43:03,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:43:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 02:43:03,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:43:03,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817775575] [2025-03-04 02:43:03,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817775575] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:43:03,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682180445] [2025-03-04 02:43:03,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:03,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:43:03,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:03,877 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) [2025-03-04 02:43:03,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process