./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 c00e63dc 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-?-c00e63d-m [2025-02-06 04:58:13,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:58:13,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:58:13,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:58:13,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:58:13,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:58:13,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:58:13,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:58:13,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:58:13,246 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:58:13,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:58:13,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:58:13,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:58:13,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:58:13,247 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:58:13,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:58:13,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:58:13,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:58:13,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:58:13,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:58:13,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:13,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:58:13,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:58:13,250 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 [2025-02-06 04:58:13,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:58:13,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:58:13,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:58:13,479 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:58:13,479 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:58:13,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-02-06 04:58:14,597 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0329e2d04/9c8fca70225d4e589d4f3762b8e59d17/FLAGec338cb5b [2025-02-06 04:58:15,032 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:58:15,033 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-02-06 04:58:15,072 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0329e2d04/9c8fca70225d4e589d4f3762b8e59d17/FLAGec338cb5b [2025-02-06 04:58:15,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0329e2d04/9c8fca70225d4e589d4f3762b8e59d17 [2025-02-06 04:58:15,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:58:15,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:58:15,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:15,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:58:15,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:58:15,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:15" (1/1) ... [2025-02-06 04:58:15,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d95e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:15, skipping insertion in model container [2025-02-06 04:58:15,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:15" (1/1) ... [2025-02-06 04:58:15,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:58:15,412 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] [2025-02-06 04:58:15,421 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] [2025-02-06 04:58:15,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:15,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:15,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:15,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:15,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:15,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:15,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:15,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:15,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,256 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:16,360 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:58:16,368 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] [2025-02-06 04:58:16,369 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] [2025-02-06 04:58:16,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,393 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2025-02-06 04:58:16,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:16,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2025-02-06 04:58:16,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:16,682 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:58:16,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16 WrapperNode [2025-02-06 04:58:16,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:16,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:16,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:58:16,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:58:16,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,811 INFO L138 Inliner]: procedures = 681, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 965 [2025-02-06 04:58:16,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:16,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:58:16,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:58:16,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:58:16,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,862 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 04:58:16,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,896 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:58:16,924 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:58:16,924 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:58:16,924 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:58:16,925 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (1/1) ... [2025-02-06 04:58:16,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:16,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:58:16,963 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) [2025-02-06 04:58:16,977 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 [2025-02-06 04:58:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:58:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:58:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:58:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:58:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:58:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:58:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:58:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:58:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-02-06 04:58:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-02-06 04:58:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-06 04:58:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-02-06 04:58:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-02-06 04:58:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 04:58:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 04:58:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:58:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:58:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:58:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 04:58:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 04:58:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:58:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:58:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:58:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:58:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 04:58:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 04:58:17,191 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:58:17,192 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:58:17,219 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:58:17,248 INFO L1309 $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; [2025-02-06 04:58:17,253 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:58:17,333 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8066-2: havoc #t~ret962#1; [2025-02-06 04:58:17,333 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8067-2: havoc #t~ret964#1; [2025-02-06 04:58:17,333 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7094: havoc aws_mem_realloc_#t~ret593#1; [2025-02-06 04:58:17,360 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-02-06 04:58:17,360 INFO L1309 $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; [2025-02-06 04:58:17,360 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6916: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-06 04:58:17,363 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:58:23,810 INFO L1309 $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; [2025-02-06 04:58:23,875 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-02-06 04:58:23,875 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:58:23,891 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:58:23,891 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:58:23,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:23 BoogieIcfgContainer [2025-02-06 04:58:23,891 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:58:23,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:58:23,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:58:23,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:58:23,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:58:15" (1/3) ... [2025-02-06 04:58:23,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e6e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:23, skipping insertion in model container [2025-02-06 04:58:23,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:16" (2/3) ... [2025-02-06 04:58:23,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e6e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:23, skipping insertion in model container [2025-02-06 04:58:23,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:23" (3/3) ... [2025-02-06 04:58:23,901 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2025-02-06 04:58:23,910 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:58:23,911 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness.i that has 12 procedures, 155 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-06 04:58:23,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:58:23,975 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;@1a11d2fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:58:23,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:58:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 106 states have internal predecessors, (136), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-06 04:58:23,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 04:58:23,994 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:58:23,995 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, 1, 1] [2025-02-06 04:58:23,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:58:24,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:58:24,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1857612581, now seen corresponding path program 1 times [2025-02-06 04:58:24,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:58:24,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722634248] [2025-02-06 04:58:24,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:58:24,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:59:33,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 04:59:34,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 04:59:34,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:59:34,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:59:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-06 04:59:34,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:59:34,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722634248] [2025-02-06 04:59:34,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722634248] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:59:34,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605114431] [2025-02-06 04:59:34,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:34,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:59:34,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:35,000 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) [2025-02-06 04:59:35,002 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