./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:35:18,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:35:18,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:35:18,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:35:18,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:35:18,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:35:18,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:35:18,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:35:18,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:35:18,273 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:35:18,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:35:18,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:35:18,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:35:18,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:35:18,274 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:35:18,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:35:18,275 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:35:18,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:35:18,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:18,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:35:18,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:35:18,276 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:35:18,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:35:18,276 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:35:18,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:35:18,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:35:18,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:35:18,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:35:18,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:35:18,277 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 [2025-02-08 01:35:18,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:35:18,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:35:18,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:35:18,550 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:35:18,550 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:35:18,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-02-08 01:35:19,825 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/618eb7e81/6933a884a7ac4f33aa43e0f29b69c285/FLAGd1a4dfe21 [2025-02-08 01:35:20,354 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:35:20,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-02-08 01:35:20,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/618eb7e81/6933a884a7ac4f33aa43e0f29b69c285/FLAGd1a4dfe21 [2025-02-08 01:35:20,422 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/618eb7e81/6933a884a7ac4f33aa43e0f29b69c285 [2025-02-08 01:35:20,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:35:20,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:35:20,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:20,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:35:20,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:35:20,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:20" (1/1) ... [2025-02-08 01:35:20,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8913bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:20, skipping insertion in model container [2025-02-08 01:35:20,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:20" (1/1) ... [2025-02-08 01:35:20,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:35:20,686 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2025-02-08 01:35:20,696 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2025-02-08 01:35:21,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,547 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,547 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:21,688 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:35:21,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2025-02-08 01:35:21,701 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2025-02-08 01:35:21,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2025-02-08 01:35:21,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,830 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:21,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2025-02-08 01:35:21,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:22,014 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:35:22,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22 WrapperNode [2025-02-08 01:35:22,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:22,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:22,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:35:22,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:35:22,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,174 INFO L138 Inliner]: procedures = 681, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 965 [2025-02-08 01:35:22,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:22,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:35:22,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:35:22,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:35:22,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,191 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,229 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-08 01:35:22,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,269 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:35:22,292 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:35:22,292 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:35:22,292 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:35:22,293 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (1/1) ... [2025-02-08 01:35:22,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:22,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:35:22,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:35:22,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:35:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:35:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:35:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-08 01:35:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:35:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:35:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:35:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:35:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 01:35:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 01:35:22,585 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:35:22,587 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:35:22,617 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:35:22,663 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7423: havoc #t~mem683;havoc #t~mem684;havoc #t~short685;havoc #t~mem686.base, #t~mem686.offset;havoc #t~short687;havoc #t~mem688;havoc #t~mem689;havoc #t~mem690;havoc #t~short691;havoc #t~mem692;havoc #t~mem693.base, #t~mem693.offset;havoc #t~short694;havoc #t~short695;havoc #t~short696;havoc #t~short697; [2025-02-08 01:35:22,673 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:35:22,743 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8066-2: havoc #t~ret962#1; [2025-02-08 01:35:22,743 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7094: havoc aws_mem_realloc_#t~ret593#1; [2025-02-08 01:35:22,743 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8067-2: havoc #t~ret964#1; [2025-02-08 01:35:22,773 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1;#t~ret565#1.base, #t~ret565#1.offset := nondet_voidp_#res#1.base, nondet_voidp_#res#1.offset;havoc nondet_voidp_#t~nondet11#1;assume { :end_inline_nondet_voidp } true;#res#1.base, #res#1.offset := #t~ret565#1.base, #t~ret565#1.offset;havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-08 01:35:22,773 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2025-02-08 01:35:22,773 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6916: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-08 01:35:22,775 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:35:29,345 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9015: havoc aws_byte_buf_reserve_harness_#t~ret1231#1; [2025-02-08 01:35:29,346 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9015-1: SUMMARY for call __VERIFIER_assert((if 0 == aws_byte_buf_reserve_harness_#t~ret1231#1 % 256 then 0 else 1)); srcloc: null [2025-02-08 01:35:29,346 INFO L1324 $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;aws_byte_buf_reserve_harness_#t~ret1231#1 := aws_byte_buf_has_allocator_#res#1;havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset, aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset, aws_byte_buf_has_allocator_~buf#1.base, aws_byte_buf_has_allocator_~buf#1.offset;havoc aws_byte_buf_has_allocator_#in~buf#1.base, aws_byte_buf_has_allocator_#in~buf#1.offset;assume { :end_inline_aws_byte_buf_has_allocator } true; [2025-02-08 01:35:29,519 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2025-02-08 01:35:29,520 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:35:29,529 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:35:29,530 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:35:29,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:29 BoogieIcfgContainer [2025-02-08 01:35:29,531 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:35:29,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:35:29,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:35:29,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:35:29,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:35:20" (1/3) ... [2025-02-08 01:35:29,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609fabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:29, skipping insertion in model container [2025-02-08 01:35:29,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:22" (2/3) ... [2025-02-08 01:35:29,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609fabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:29, skipping insertion in model container [2025-02-08 01:35:29,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:29" (3/3) ... [2025-02-08 01:35:29,537 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2025-02-08 01:35:29,547 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:35:29,548 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness.i that has 12 procedures, 148 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-08 01:35:29,589 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:35:29,596 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;@270167c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:35:29,597 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:35:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 100 states have internal predecessors, (126), 36 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-08 01:35:29,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 01:35:29,604 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:35:29,604 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:35:29,604 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:35:29,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:35:29,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1692576936, now seen corresponding path program 1 times [2025-02-08 01:35:29,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:35:29,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831673852] [2025-02-08 01:35:29,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:35:29,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:36:36,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 01:36:37,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 01:36:37,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:36:37,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:36:37,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 01:36:37,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:36:37,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831673852] [2025-02-08 01:36:37,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831673852] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:36:37,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419424822] [2025-02-08 01:36:37,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:36:37,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:36:37,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:36:38,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:36:38,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process